.clang-format

@@ -0,0 +1,10 @@
+BasedOnStyle: LLVM
+IndentWidth: 2
+ColumnLimit: 100
+PointerAlignment: Left
+AllowShortFunctionsOnASingleLine: None
+SortIncludes: false
+AllowShortIfStatementsOnASingleLine: false
+AllowShortLoopsOnASingleLine: false
+BinPackArguments: true
+BinPackParameters: true

.gitea/workflows/ci.yaml

@@ -3,15 +3,29 @@ name: CI
 on: [push, pull_request]
 
 jobs:
+  lint:
+    runs-on: ubuntu-latest
+    container: gitea.tap-tap.win/taptap/fastsync-ci:v7
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: clang-format check
+        run: find src/ tests/ -name '*.c' -o -name '*.h' | xargs clang-format --dry-run --Werror
+
+      - name: cppcheck
+        run: cppcheck --enable=warning,style,performance,portability --suppress=missingIncludeSystem --error-exitcode=1 --inline-suppr src/ tests/
+
   build-and-test:
     runs-on: ubuntu-latest
-    container: gitea.tap-tap.win/taptap/fastsync-ci:v6
+    container: gitea.tap-tap.win/taptap/fastsync-ci:v7
+    needs: lint
     steps:
       - name: Checkout
         uses: actions/checkout@v4
 
       - name: Configure
-        run: cmake -B build -S .
+        run: cmake -B build -S . -DSTRICT_WARNINGS=ON
 
       - name: Build
         run: cmake --build build -j$(nproc)
@@ -21,3 +35,23 @@ jobs:
 
       - name: Integration Tests
         run: python3 -m pytest tests/ -v --tb=short
+
+  sanitizers:
+    runs-on: ubuntu-latest
+    container: gitea.tap-tap.win/taptap/fastsync-ci:v7
+    needs: lint
+    strategy:
+      matrix:
+        sanitizer: [address]
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Configure
+        run: cmake -B build-${{ matrix.sanitizer }} -S . -DSANITIZER=${{ matrix.sanitizer }}
+
+      - name: Build
+        run: cmake --build build-${{ matrix.sanitizer }} -j$(nproc)
+
+      - name: Unit Tests
+        run: ./build-${{ matrix.sanitizer }}/tests

.gitignore

@@ -2,3 +2,4 @@ build
 data_copied
 test_data/
 __pycache__/
+build-asan

CMakeLists.txt

@@ -7,9 +7,26 @@ set(CMAKE_C_STANDARD 11)
 set(CMAKE_C_STANDARD_REQUIRED ON)
 
 add_compile_options(-Wall -g -O3)
-# add_compile_options(-Wall -g -O1 -fsanitize=address)
 
-# add_link_options(-fsanitize=address)
+# --- Sanitizer option ---
+set(SANITIZER "none" CACHE STRING "Sanitizer to enable (address, thread, none)")
+set_property(CACHE SANITIZER PROPERTY STRINGS address thread none)
+
+if(SANITIZER STREQUAL "address")
+	add_compile_options(-fsanitize=address -fno-omit-frame-pointer -g)
+	add_link_options(-fsanitize=address)
+elseif(SANITIZER STREQUAL "thread")
+	add_compile_options(-fsanitize=thread -fno-omit-frame-pointer -g)
+	add_link_options(-fsanitize=thread)
+elseif(NOT SANITIZER STREQUAL "none")
+	message(FATAL_ERROR "Unknown sanitizer: ${SANITIZER}. Supported values: address, thread, none")
+endif()
+
+# --- Strict warnings option ---
+option(STRICT_WARNINGS "Enable strict warnings (Wextra, Wpedantic, Werror)" OFF)
+if(STRICT_WARNINGS)
+	add_compile_options(-Wextra -Wpedantic -Werror)
+endif()
 
 include(FetchContent)
 FetchContent_Declare(

Dockerfile

@@ -1,6 +1,6 @@
 FROM ubuntu:24.04
 RUN apt-get update && apt-get install -y --no-install-recommends \
-    gcc g++ make libc6-dev cmake libzstd-dev libssl-dev git ca-certificates curl \
+    gcc g++ make libc6-dev cmake libzstd-dev libssl-dev git ca-certificates curl cppcheck clang-format \
     python3 python3-pip python3-venv openssl openssh-client && \
     pip3 install --break-system-packages pytest && \
     curl -fsSL https://deb.nodesource.com/setup_20.x | bash - && \

src/client/client_cli.c

@@ -11,7 +11,7 @@
 #include <stdlib.h>
 #include <string.h>
 
-char *server_host = "127.0.0.1";
+char* server_host = "127.0.0.1";
 int server_port = 8080;
 
 static void print_usage(void) {
@@ -38,8 +38,10 @@ static void print_usage(void) {
   printf("  --min-size <n>      Skip files smaller than n bytes\n");
   printf("  --incremental       Skip files unchanged since last transfer\n");
   printf("  --delta             Delta transfer for changed files (requires --incremental)\n");
-  printf("  --delta-block <n>   Delta block size in bytes (default: %d)\n", DELTA_BLOCK_SIZE_DEFAULT);
+  printf("  --delta-block <n>   Delta block size in bytes (default: %d)\n",
-  printf("  --delta-max <n>     Max file size for delta transfer (default: %llu)\n", DELTA_MAX_FILE_SIZE);
+         DELTA_BLOCK_SIZE_DEFAULT);
+  printf("  --delta-max <n>     Max file size for delta transfer (default: %llu)\n",
+         DELTA_MAX_FILE_SIZE);
   printf("  -m                  Enable multithreading\n");
   printf("  -s                  Enable chunk serialization\n");
   printf("  -f                  Enable sendfile (TCP only, not with -c or -s)\n");
@@ -59,19 +61,18 @@ static void print_usage(void) {
   printf("  --help              Show this help\n");
 }
 
-int main(int argc, char *argv[]) {
+int main(int argc, char* argv[]) {
-  const char *env_source = getenv("FASTSYNC_SOURCE_DIR");
+  const char* env_source = getenv("FASTSYNC_SOURCE_DIR");
-  const char *env_dest = getenv("FASTSYNC_DEST_DIR");
+  const char* env_dest = getenv("FASTSYNC_DEST_DIR");
-  const char *env_save = getenv("FASTSYNC_SAVE_TO_DISK");
+  const char* env_save = getenv("FASTSYNC_SAVE_TO_DISK");
 
   bool save_to_disk = false;
-  if (env_save &&
+  if (env_save && (strcmp(env_save, "true") == 0 || strcmp(env_save, "1") == 0)) {
-      (strcmp(env_save, "true") == 0 || strcmp(env_save, "1") == 0)) {
     save_to_disk = true;
   }
 
-  Config *config = config_create(str_dup(PROTOCOL_VERSION), NULL, NULL,
+  Config* config = config_create(str_dup(PROTOCOL_VERSION), NULL, NULL, save_to_disk, false, false,
-                                 save_to_disk, false, false, false, false, 5, false, 0);
+                                 false, false, 5, false, 0);
 
   int positional_args[2];
   int positional_count = 0;
@@ -93,11 +94,13 @@ int main(int argc, char *argv[]) {
       config->use_delete = true;
     } else if (strcmp(argv[i], "--exclude") == 0 && i + 1 < argc) {
       int idx = config->exclude_count++;
-      config->exclude_patterns = realloc(config->exclude_patterns, config->exclude_count * sizeof(char *));
+      config->exclude_patterns =
+          realloc(config->exclude_patterns, config->exclude_count * sizeof(char*));
       config->exclude_patterns[idx] = str_dup(argv[++i]);
     } else if (strcmp(argv[i], "--include") == 0 && i + 1 < argc) {
       int idx = config->include_count++;
-      config->include_patterns = realloc(config->include_patterns, config->include_count * sizeof(char *));
+      config->include_patterns =
+          realloc(config->include_patterns, config->include_count * sizeof(char*));
       config->include_patterns[idx] = str_dup(argv[++i]);
     } else if (strcmp(argv[i], "--max-size") == 0 && i + 1 < argc) {
       config->max_size = strtoull(argv[++i], NULL, 10);
@@ -123,12 +126,11 @@ int main(int argc, char *argv[]) {
       config->use_compression = true;
       log_message(LOG_LEVEL_INFO, "Enabled Compression");
       if (i + 1 < argc) {
-        char *end_ptr;
+        char* end_ptr;
         int level = strtol(argv[i + 1], &end_ptr, 10);
         if (*end_ptr == '\0') {
           config->compression_level = level;
-          log_message(LOG_LEVEL_INFO, "Set Compression level to %d",
+          log_message(LOG_LEVEL_INFO, "Set Compression level to %d", config->compression_level);
-                      config->compression_level);
           i++;
         }
       }
@@ -158,7 +160,7 @@ int main(int argc, char *argv[]) {
     } else if (strcmp(argv[i], "--server-port") == 0 && i + 1 < argc) {
       server_port = atoi(argv[++i]);
     } else if (strcmp(argv[i], "--bwlimit") == 0 && i + 1 < argc) {
-      char *end;
+      char* end;
       errno = 0;
       unsigned long long kbps = strtoull(argv[++i], &end, 10);
       if (errno != 0 || *end != '\0' || kbps == 0) {
@@ -219,9 +221,9 @@ int main(int argc, char *argv[]) {
     return 1;
   } else {
     if (!config->send_directory && env_source)
-      config->send_directory = str_dup((char *)env_source);
+      config->send_directory = str_dup((char*)env_source);
     if (!config->receive_root_directory && env_dest)
-      config->receive_root_directory = str_dup((char *)env_dest);
+      config->receive_root_directory = str_dup((char*)env_dest);
   }
 
   if (!config->send_directory || !config->receive_root_directory) {
@@ -230,7 +232,8 @@ int main(int argc, char *argv[]) {
     return 1;
   }
   if (config->use_sendfile && (config->use_chunk_serialization || config->use_compression)) {
-    fprintf(stderr, "Error: -f/--sendfile cannot be combined with -c (compression) or -s (chunk serialization)\n");
+    fprintf(stderr, "Error: -f/--sendfile cannot be combined with -c (compression) or -s (chunk "
+                    "serialization)\n");
     return 1;
   }
 

src/client/client_send.c

@@ -22,28 +22,35 @@
 #include <threads.h>
 #include <time.h>
 
-static int incremental_check(Client *client, File *file,
+static int incremental_check(Client* client, File* file, DeltaSignature** out_sig) {
-                              DeltaSignature **out_sig) {
   *out_sig = NULL;
-  if (!send_status(client->file_descriptor, STATUS_CHECK)) return -1;
+  if (!send_status(client->file_descriptor, STATUS_CHECK))
-  if (!send_str(client->file_descriptor, file->path)) return -1;
+    return -1;
+  if (!send_str(client->file_descriptor, file->path))
+    return -1;
   unsigned long long fsize = file->data->size;
   long long mtime = file->metadata ? file->metadata->mtime_sec : 0;
-  if (!send_n_data(client->file_descriptor, &fsize, sizeof(fsize))) return -1;
+  if (!send_n_data(client->file_descriptor, &fsize, sizeof(fsize)))
-  if (!send_n_data(client->file_descriptor, &mtime, sizeof(mtime))) return -1;
+    return -1;
+  if (!send_n_data(client->file_descriptor, &mtime, sizeof(mtime)))
+    return -1;
   Status s;
-  if (!receive_status(client->file_descriptor, &s)) return -1;
+  if (!receive_status(client->file_descriptor, &s))
+    return -1;
   if (s == STATUS_ERROR) {
     log_message(LOG_LEVEL_ERROR, "Server reported error for file");
     return -1;
   }
-  if (s == STATUS_OK) return 1;
+  if (s == STATUS_OK)
+    return 1;
   if (s == STATUS_DELTA_SIGNATURE) {
-    Data *sig_data = receive_data(client->file_descriptor);
+    Data* sig_data = receive_data(client->file_descriptor);
-    if (!sig_data) return -1;
+    if (!sig_data)
-    DeltaSignature *sig = delta_signature_deserialize(sig_data);
+      return -1;
+    DeltaSignature* sig = delta_signature_deserialize(sig_data);
     data_destroy(sig_data);
-    if (!sig) return -1;
+    if (!sig)
+      return -1;
     *out_sig = sig;
     return 2;
   }
@@ -54,27 +61,29 @@ static int incremental_check(Client *client, File *file,
   return 0;
 }
 
-static int send_delta(Client *client, File *file, DeltaSignature *sig,
+static int send_delta(Client* client, File* file, DeltaSignature* sig, Config* config) {
-                       Config *config) {
+  Delta* delta = delta_compute(file->data->data, file->data->size, sig, config->delta_block_size);
-  Delta *delta = delta_compute(file->data->data, file->data->size,
+  if (!delta)
-                                sig, config->delta_block_size);
+    return 1;
-  if (!delta) return 1;
 
   if (!delta_is_worthwhile(delta, file->data->size)) {
     delta_destroy(delta);
-    if (!send_status(client->file_descriptor, STATUS_NEXT)) return -1;
+    if (!send_status(client->file_descriptor, STATUS_NEXT))
+      return -1;
     return 1;
   }
 
-  Data *delta_data = delta_serialize(delta);
+  Data* delta_data = delta_serialize(delta);
   delta_destroy(delta);
-  if (!delta_data) return -1;
+  if (!delta_data)
+    return -1;
 
-  Data *to_send = delta_data;
+  Data* to_send = delta_data;
   if (config->use_compression) {
     to_send = data_compress(delta_data, config->compression_level);
     data_destroy(delta_data);
-    if (!to_send) return -1;
+    if (!to_send)
+      return -1;
   }
 
   bool ok = send_status(client->file_descriptor, STATUS_DELTA_DATA) &&
@@ -87,19 +96,26 @@ static int send_delta(Client *client, File *file, DeltaSignature *sig,
   return ok ? 0 : -1;
 }
 
-typedef bool (*file_send_fn)(File *, int, bool, int, bool);
+typedef bool (*file_send_fn)(File*, int, bool, int, bool);
 
-static int send_file_incremental(Client *client, File *file, Config *config,
+static int send_file_incremental(Client* client, File* file, Config* config, file_send_fn send_fn) {
-                                  file_send_fn send_fn) {
+  DeltaSignature* sig = NULL;
-  DeltaSignature *sig = NULL;
   int rc = incremental_check(client, file, &sig);
-  if (rc < 0) { delta_signature_destroy(sig); return -1; }
+  if (rc < 0) {
-  if (rc == 1) { delta_signature_destroy(sig); return 1; }
+    delta_signature_destroy(sig);
+    return -1;
+  }
+  if (rc == 1) {
+    delta_signature_destroy(sig);
+    return 1;
+  }
   if (rc == 2 && config->use_delta) {
     int drc = send_delta(client, file, sig, config);
     delta_signature_destroy(sig);
-    if (drc == 0) return 0;
+    if (drc == 0)
-    if (drc < 0) return -1;
+      return 0;
+    if (drc < 0)
+      return -1;
   } else {
     delta_signature_destroy(sig);
   }
@@ -109,28 +125,37 @@ static int send_file_incremental(Client *client, File *file, Config *config,
   return 0;
 }
 
-int send_chunk(Client *client, Chunk *chunk, Config *config) {
+int send_chunk(Client* client, Chunk* chunk, Config* config) {
   if (config->use_chunk_serialization) {
-    if (!send_status(client->file_descriptor, STATUS_CHUNK)) return -1;
+    if (!send_status(client->file_descriptor, STATUS_CHUNK))
-    Data *data;
+      return -1;
+    Data* data;
     if (config->use_compression) {
       data = chunk_compress(chunk, config->compression_level, config->use_metadata);
     } else {
       data = chunk_serialize(chunk, config->use_metadata);
     }
-    if (data == NULL) return -1;
+    if (data == NULL)
-    if (!send_data(client->file_descriptor, data)) { data_destroy(data); return -1; }
+      return -1;
+    if (!send_data(client->file_descriptor, data)) {
+      data_destroy(data);
+      return -1;
+    }
     data_destroy(data);
   } else if (config->use_sendfile && !config->use_compression) {
     for (int i = 0; i < chunk->element_count; i++) {
       if (config->use_incremental) {
         int rc = send_file_incremental(client, chunk->items[i], config,
                                        (file_send_fn)file_send_sendfile);
-        if (rc == 1) continue;
+        if (rc == 1)
-        if (rc < 0) return -1;
+          continue;
+        if (rc < 0)
+          return -1;
       } else {
-        if (!send_status(client->file_descriptor, STATUS_NEXT)) return -1;
+        if (!send_status(client->file_descriptor, STATUS_NEXT))
-        if (!file_send_sendfile(chunk->items[i], client->file_descriptor, config->use_metadata, 0, true))
+          return -1;
+        if (!file_send_sendfile(chunk->items[i], client->file_descriptor, config->use_metadata, 0,
+                                true))
           return -1;
       }
     }
@@ -139,14 +164,15 @@ int send_chunk(Client *client, Chunk *chunk, Config *config) {
       if (config->use_incremental) {
         int rc = send_file_incremental(client, chunk->items[i], config,
                                        (file_send_fn)file_send_single_calls);
-        if (rc == 1) continue;
+        if (rc == 1)
-        if (rc < 0) return -1;
+          continue;
+        if (rc < 0)
+          return -1;
       } else {
-        if (!send_status(client->file_descriptor, STATUS_NEXT)) return -1;
+        if (!send_status(client->file_descriptor, STATUS_NEXT))
-        if (!file_send_single_calls(chunk->items[i], client->file_descriptor,
+          return -1;
-                               config->use_metadata,
+        if (!file_send_single_calls(chunk->items[i], client->file_descriptor, config->use_metadata,
-                               config->use_compression ? config->compression_level : 0,
+                                    config->use_compression ? config->compression_level : 0, true))
-                               true))
           return -1;
       }
     }
@@ -154,9 +180,9 @@ int send_chunk(Client *client, Chunk *chunk, Config *config) {
   return 0;
 }
 
-static int send_chunks_multithreaded(void *pipeline_context) {
+static int send_chunks_multithreaded(void* pipeline_context) {
-  PipelineContextSender *context = (PipelineContextSender *)pipeline_context;
+  PipelineContextSender* context = (PipelineContextSender*)pipeline_context;
-  Client *client;
+  Client* client;
   if (context->config->transport == TRANSPORT_SSH) {
     if (context->config->use_sendfile) {
       fprintf(stderr, "Error: -f/--sendfile is not supported with SSH transport\n");
@@ -165,18 +191,18 @@ static int send_chunks_multithreaded(void *pipeline_context) {
     client = client_connect_ssh(context->config->ssh_destination, context->config->ssh_port);
   } else if (context->config->use_tls) {
     client = client_create();
-    if (!client || !client_connect_tls(client, server_host, server_port,
+    if (!client || !client_connect_tls(client, server_host, server_port, context->config->tls_cert,
-                                        context->config->tls_cert,
+                                       context->config->tls_key, context->config->tls_ca)) {
-                                        context->config->tls_key,
+      if (client)
-                                        context->config->tls_ca)) {
+        client_delete(client);
-      if (client) client_delete(client);
       fprintf(stderr, "Error: could not connect to server via TLS\n");
       return thrd_error;
     }
   } else {
     client = client_create();
     if (!client || !client_connect(client, server_host, server_port)) {
-      if (client) client_delete(client);
+      if (client)
+        client_delete(client);
       fprintf(stderr, "Error: could not connect to server\n");
       return thrd_error;
     }
@@ -188,17 +214,15 @@ static int send_chunks_multithreaded(void *pipeline_context) {
   }
 
   while (true) {
-    Chunk *current_chunk = queue_dequeue_multithreaded(
+    Chunk* current_chunk = queue_dequeue_multithreaded(
-        context->queue_loader, &context->mutex_loader,
+        context->queue_loader, &context->mutex_loader, &context->condition_not_empty_loader,
-        &context->condition_not_empty_loader,
         &context->condition_not_full_loader, &context->loader_done);
     if (current_chunk == NULL) {
       if (context->config->use_delete) {
         send_status(client->file_descriptor, STATUS_MANIFEST);
         send_int(client->file_descriptor, context->manifest->size);
         for (int i = 0; i < context->manifest->size; i++)
-          send_str(client->file_descriptor,
+          send_str(client->file_descriptor, (char*)context->manifest->items[i]);
-                   (char *)context->manifest->items[i]);
       }
       send_status(client->file_descriptor, STATUS_FINISHED);
       Status s;
@@ -217,30 +241,29 @@ static int send_chunks_multithreaded(void *pipeline_context) {
   }
 }
 
-static int scan_directory_multithreaded(void *pipeline_context) {
+static int scan_directory_multithreaded(void* pipeline_context) {
-  PipelineContextSender *context = (PipelineContextSender *)pipeline_context;
+  PipelineContextSender* context = (PipelineContextSender*)pipeline_context;
   mtx_lock(&context->mutex_scanner);
-  DirectoryScanner *scanner = directory_scanner_create(
+  DirectoryScanner* scanner = directory_scanner_create(
-      context->config->send_directory, context->config->use_metadata,
+      context->config->send_directory, context->config->use_metadata, context->config->chunk_size,
-      context->config->chunk_size, context->config->exclude_patterns,
+      context->config->exclude_patterns, context->config->exclude_count,
-      context->config->exclude_count, context->config->include_patterns,
+      context->config->include_patterns, context->config->include_count, context->config->max_size,
-      context->config->include_count, context->config->max_size,
       context->config->min_size);
   mtx_unlock(&context->mutex_scanner);
 
-  Chunk *current_chunk;
+  Chunk* current_chunk;
   while ((current_chunk = directory_scanner_next(scanner)) != NULL) {
     if (context->config->use_delete) {
       mtx_lock(&context->mutex_scanner);
       for (int i = 0; i < current_chunk->element_count; i++) {
-        const char *p = current_chunk->items[i]->path;
+        const char* p = current_chunk->items[i]->path;
-        if (*p == '/') p++;
+        if (*p == '/')
+          p++;
         array_list_add(context->manifest, str_dup(p));
       }
       mtx_unlock(&context->mutex_scanner);
     }
-    queue_enqueue_multithreaded(context->queue_scanner, current_chunk,
+    queue_enqueue_multithreaded(context->queue_scanner, current_chunk, &context->mutex_scanner,
-                                &context->mutex_scanner,
                                 &context->condition_not_empty_scanner,
                                 &context->condition_not_full_scanner);
   }
@@ -253,12 +276,11 @@ static int scan_directory_multithreaded(void *pipeline_context) {
   return thrd_success;
 }
 
-static int load_files_multithreaded(void *pipeline_context) {
+static int load_files_multithreaded(void* pipeline_context) {
-  PipelineContextSender *context = (PipelineContextSender *)pipeline_context;
+  PipelineContextSender* context = (PipelineContextSender*)pipeline_context;
   while (true) {
-    Chunk *chunk = queue_dequeue_multithreaded(
+    Chunk* chunk = queue_dequeue_multithreaded(
-        context->queue_scanner, &context->mutex_scanner,
+        context->queue_scanner, &context->mutex_scanner, &context->condition_not_empty_scanner,
-        &context->condition_not_empty_scanner,
         &context->condition_not_full_scanner, &context->scanner_done);
     if (chunk == NULL) {
       mtx_lock(&context->mutex_loader);
@@ -276,60 +298,58 @@ static int load_files_multithreaded(void *pipeline_context) {
         }
       }
     }
-    queue_enqueue_multithreaded(context->queue_loader, chunk,
+    queue_enqueue_multithreaded(context->queue_loader, chunk, &context->mutex_loader,
-                                &context->mutex_loader,
                                 &context->condition_not_empty_loader,
                                 &context->condition_not_full_loader);
   }
 }
 
-int send_files(Config *config) {
+int send_files(Config* config) {
   if (config->dry_run) {
-    DirectoryScanner *scanner = directory_scanner_create(
+    DirectoryScanner* scanner = directory_scanner_create(
-        config->send_directory, config->use_metadata, config->chunk_size,
+        config->send_directory, config->use_metadata, config->chunk_size, config->exclude_patterns,
-        config->exclude_patterns, config->exclude_count,
+        config->exclude_count, config->include_patterns, config->include_count, config->max_size,
-        config->include_patterns, config->include_count,
+        config->min_size);
-        config->max_size, config->min_size);
+    Chunk* chunk;
-    Chunk *chunk;
     int file_count = 0;
     unsigned long long total_bytes = 0;
     printf("Dry run: files to be transferred\n");
     while ((chunk = directory_scanner_next(scanner)) != NULL) {
       for (int i = 0; i < chunk->element_count; i++) {
-        printf("  %s (%zu bytes)\n", chunk->items[i]->path,
+        printf("  %s (%zu bytes)\n", chunk->items[i]->path, chunk->items[i]->data->size);
-               chunk->items[i]->data->size);
         total_bytes += chunk->items[i]->data->size;
         file_count++;
       }
       chunk_destroy(chunk);
     }
     directory_scanner_destroy(scanner);
-    printf("Total: %d files, %.1f MB\n", file_count,
+    printf("Total: %d files, %.1f MB\n", file_count, total_bytes / 1048576.0);
-           total_bytes / 1048576.0);
     return 0;
   }
 
-  Client *client;
+  Client* client;
   if (config->transport == TRANSPORT_SSH) {
     if (config->use_sendfile) {
       fprintf(stderr, "Error: -f/--sendfile is not supported with SSH transport\n");
       return 1;
     }
     client = client_connect_ssh(config->ssh_destination, config->ssh_port);
-    if (!client) return 1;
+    if (!client)
+      return 1;
   } else if (config->use_tls) {
     client = client_create();
-    if (!client || !client_connect_tls(client, server_host, server_port,
+    if (!client || !client_connect_tls(client, server_host, server_port, config->tls_cert,
-                                        config->tls_cert, config->tls_key,
+                                       config->tls_key, config->tls_ca)) {
-                                        config->tls_ca)) {
+      if (client)
-      if (client) client_delete(client);
+        client_delete(client);
       fprintf(stderr, "Error: could not connect to server via TLS\n");
       return 1;
     }
   } else {
     client = client_create();
     if (!client || !client_connect(client, server_host, server_port)) {
-      if (client) client_delete(client);
+      if (client)
+        client_delete(client);
       fprintf(stderr, "Error: could not connect to server\n");
       return 1;
     }
@@ -339,23 +359,23 @@ int send_files(Config *config) {
     client_delete(client);
     return 1;
   }
-  DirectoryScanner *scanner = directory_scanner_create(
+  DirectoryScanner* scanner = directory_scanner_create(
-      config->send_directory, config->use_metadata, config->chunk_size,
+      config->send_directory, config->use_metadata, config->chunk_size, config->exclude_patterns,
-      config->exclude_patterns, config->exclude_count,
+      config->exclude_count, config->include_patterns, config->include_count, config->max_size,
-      config->include_patterns, config->include_count,
+      config->min_size);
-      config->max_size, config->min_size);
+  Chunk* current_chunk;
-  Chunk *current_chunk;
   unsigned long long total_bytes = 0;
   time_t last_progress = 0;
   time_t start = time(NULL);
-  ArrayList *manifest = config->use_delete ? array_list_create(free) : NULL;
+  ArrayList* manifest = config->use_delete ? array_list_create(free) : NULL;
   while ((current_chunk = directory_scanner_next(scanner)) != NULL) {
     unsigned long long chunk_bytes = 0;
     for (int i = 0; i < current_chunk->element_count; i++) {
       chunk_bytes += current_chunk->items[i]->data->size;
       if (manifest) {
-        const char *p = current_chunk->items[i]->path;
+        const char* p = current_chunk->items[i]->path;
-        if (*p == '/') p++;
+        if (*p == '/')
+          p++;
         array_list_add(manifest, str_dup(p));
       }
     }
@@ -389,7 +409,7 @@ int send_files(Config *config) {
     send_status(client->file_descriptor, STATUS_MANIFEST);
     send_int(client->file_descriptor, manifest->size);
     for (int i = 0; i < manifest->size; i++)
-      send_str(client->file_descriptor, (char *)manifest->items[i]);
+      send_str(client->file_descriptor, (char*)manifest->items[i]);
     array_list_delete(manifest);
   }
   send_status(client->file_descriptor, STATUS_FINISHED);
@@ -406,41 +426,39 @@ int send_files(Config *config) {
   return ok ? 0 : -1;
 }
 
-int send_files_multithreaded(Config *config) {
+int send_files_multithreaded(Config* config) {
   if (config->dry_run) {
-    DirectoryScanner *scanner = directory_scanner_create(
+    DirectoryScanner* scanner = directory_scanner_create(
-        config->send_directory, config->use_metadata, config->chunk_size,
+        config->send_directory, config->use_metadata, config->chunk_size, config->exclude_patterns,
-        config->exclude_patterns, config->exclude_count,
+        config->exclude_count, config->include_patterns, config->include_count, config->max_size,
-        config->include_patterns, config->include_count,
+        config->min_size);
-        config->max_size, config->min_size);
+    Chunk* chunk;
-    Chunk *chunk;
     int file_count = 0;
     unsigned long long total_bytes = 0;
     printf("Dry run: files to be transferred\n");
     while ((chunk = directory_scanner_next(scanner)) != NULL) {
       for (int i = 0; i < chunk->element_count; i++) {
-        printf("  %s (%zu bytes)\n", chunk->items[i]->path,
+        printf("  %s (%zu bytes)\n", chunk->items[i]->path, chunk->items[i]->data->size);
-               chunk->items[i]->data->size);
         total_bytes += chunk->items[i]->data->size;
         file_count++;
       }
       chunk_destroy(chunk);
     }
     directory_scanner_destroy(scanner);
-    printf("Total: %d files, %.1f MB\n", file_count,
+    printf("Total: %d files, %.1f MB\n", file_count, total_bytes / 1048576.0);
-           total_bytes / 1048576.0);
     return 0;
   }
 
-  Queue *q1 = queue_create(100, chunk_destroy);
+  Queue* q1 = queue_create(100, chunk_destroy);
-  Queue *q2 = queue_create(100, chunk_destroy);
+  Queue* q2 = queue_create(100, chunk_destroy);
   if (!q1 || !q2) {
-    if (q1) queue_destroy(q1);
+    if (q1)
-    if (q2) queue_destroy(q2);
+      queue_destroy(q1);
+    if (q2)
+      queue_destroy(q2);
     return 1;
   }
-  PipelineContextSender *context =
+  PipelineContextSender* context = pipeline_context_sender_create(config, q1, q2);
-      pipeline_context_sender_create(config, q1, q2);
   if (!context) {
     queue_destroy(q1);
     queue_destroy(q2);
@@ -450,11 +468,9 @@ int send_files_multithreaded(Config *config) {
     context->manifest = array_list_create(free);
 
   thrd_t scanner, loader, sender;
-  if (thrd_create(&scanner, scan_directory_multithreaded, context) !=
+  if (thrd_create(&scanner, scan_directory_multithreaded, context) != thrd_success ||
-          thrd_success ||
       thrd_create(&loader, load_files_multithreaded, context) != thrd_success ||
-      thrd_create(&sender, send_chunks_multithreaded, context) !=
+      thrd_create(&sender, send_chunks_multithreaded, context) != thrd_success) {
-          thrd_success) {
     perror("Error creating threads.\n");
     pipeline_context_sender_destroy(context);
     return 1;

src/client/client_send.h

@@ -5,11 +5,11 @@
 #include "config.h"
 #include "transport_tcp.h"
 
-extern char *server_host;
+extern char* server_host;
 extern int server_port;
 
-int send_chunk(Client *client, Chunk *chunk, Config *config);
+int send_chunk(Client* client, Chunk* chunk, Config* config);
-int send_files(Config *config);
+int send_files(Config* config);
-int send_files_multithreaded(Config *config);
+int send_files_multithreaded(Config* config);
 
 #endif

src/client/scanner.c

@@ -11,8 +11,14 @@
 #include <sys/stat.h>
 #include <unistd.h>
 
-DirectoryScanner *directory_scanner_create(char *root_directory, bool use_metadata, unsigned long long chunk_size, char **exclude_patterns, int exclude_count, char **include_patterns, int include_count, unsigned long long max_size, unsigned long long min_size) {
+DirectoryScanner* directory_scanner_create(char* root_directory, bool use_metadata,
-  DirectoryScanner *scanner = malloc(sizeof(DirectoryScanner));
+                                           unsigned long long chunk_size, char** exclude_patterns,
+                                           int exclude_count, char** include_patterns,
+                                           int include_count, unsigned long long max_size,
+                                           unsigned long long min_size) {
+  DirectoryScanner* scanner = malloc(sizeof(DirectoryScanner));
+  if (scanner == NULL)
+    return NULL;
   scanner->directories = queue_create(100, free);
   scanner->current_dir = NULL;
   scanner->current_path = NULL;
@@ -28,7 +34,7 @@ DirectoryScanner *directory_scanner_create(char *root_directory, bool use_metada
   return scanner;
 }
 
-void directory_scanner_destroy(DirectoryScanner *scanner) {
+void directory_scanner_destroy(DirectoryScanner* scanner) {
   if (scanner == NULL)
     return;
   if (scanner->current_dir) {
@@ -40,16 +46,16 @@ void directory_scanner_destroy(DirectoryScanner *scanner) {
   free(scanner);
 }
 
-static Chunk *chunk_data_to_chunk(ArrayList *chunk_data) {
+static Chunk* chunk_data_to_chunk(ArrayList* chunk_data) {
-  void **chunk_items = array_list_to_array(chunk_data);
+  void** chunk_items = array_list_to_array(chunk_data);
-  Chunk *chunk = chunk_create((File **)chunk_items, chunk_data->size);
+  Chunk* chunk = chunk_create((File**)chunk_items, chunk_data->size);
   free(chunk_items);
   chunk_data->item_destroyer = NULL;
   array_list_delete(chunk_data);
   return chunk;
 }
 
-static int open_next_directory(DirectoryScanner *scanner) {
+static int open_next_directory(DirectoryScanner* scanner) {
   if (scanner->current_dir) {
     closedir(scanner->current_dir);
     scanner->current_dir = NULL;
@@ -59,7 +65,7 @@ static int open_next_directory(DirectoryScanner *scanner) {
   if (queue_is_empty(scanner->directories))
     return 0;
 
-  scanner->current_path = (char *)queue_dequeue(scanner->directories);
+  scanner->current_path = (char*)queue_dequeue(scanner->directories);
   scanner->current_dir = opendir(scanner->current_path);
   if (scanner->current_dir == NULL) {
     perror("Could not open directory");
@@ -70,8 +76,8 @@ static int open_next_directory(DirectoryScanner *scanner) {
   return 1;
 }
 
-Chunk *directory_scanner_next(DirectoryScanner *scanner) {
+Chunk* directory_scanner_next(DirectoryScanner* scanner) {
-  ArrayList *chunk_data = array_list_create(file_destroy);
+  ArrayList* chunk_data = array_list_create(file_destroy);
   unsigned long long chunk_data_size = 0;
 
   while (1) {
@@ -80,7 +86,7 @@ Chunk *directory_scanner_next(DirectoryScanner *scanner) {
         break;
     }
 
-    struct dirent *entry = readdir(scanner->current_dir);
+    struct dirent* entry = readdir(scanner->current_dir);
     if (entry == NULL) {
       closedir(scanner->current_dir);
       scanner->current_dir = NULL;
@@ -92,7 +98,7 @@ Chunk *directory_scanner_next(DirectoryScanner *scanner) {
     if (strcmp(entry->d_name, ".") == 0 || strcmp(entry->d_name, "..") == 0)
       continue;
 
-    char *cur_path = path_cat(scanner->current_path, entry->d_name);
+    char* cur_path = path_cat(scanner->current_path, entry->d_name);
     struct stat stats;
     if (stat(cur_path, &stats) != 0) {
       free(cur_path);
@@ -100,7 +106,7 @@ Chunk *directory_scanner_next(DirectoryScanner *scanner) {
     }
 
     if (S_ISDIR(stats.st_mode)) {
-      queue_enqueue(scanner->directories, (void *)cur_path);
+      queue_enqueue(scanner->directories, (void*)cur_path);
     } else {
       bool excluded = false;
       for (int i = 0; i < scanner->exclude_count; i++) {
@@ -134,7 +140,7 @@ Chunk *directory_scanner_next(DirectoryScanner *scanner) {
         continue;
       }
 
-      File *file = file_create(cur_path);
+      File* file = file_create(cur_path);
       if (file == NULL) {
         free(cur_path);
         continue;
@@ -154,5 +160,6 @@ Chunk *directory_scanner_next(DirectoryScanner *scanner) {
 
   if (chunk_data->size > 0)
     return chunk_data_to_chunk(chunk_data);
+  array_list_delete(chunk_data);
   return NULL;
 }

src/client/scanner.h

@@ -7,21 +7,25 @@
 #include <stdbool.h>
 
 typedef struct {
-  Queue *directories;
+  Queue* directories;
-  DIR *current_dir;
+  DIR* current_dir;
-  char *current_path;
+  char* current_path;
   bool use_metadata;
   unsigned long long chunk_size;
-  char **exclude_patterns;
+  char** exclude_patterns;
   int exclude_count;
-  char **include_patterns;
+  char** include_patterns;
   int include_count;
   unsigned long long max_size;
   unsigned long long min_size;
 } DirectoryScanner;
 
-DirectoryScanner *directory_scanner_create(char *root_directory, bool use_metadata, unsigned long long chunk_size, char **exclude_patterns, int exclude_count, char **include_patterns, int include_count, unsigned long long max_size, unsigned long long min_size);
+DirectoryScanner* directory_scanner_create(char* root_directory, bool use_metadata,
-Chunk *directory_scanner_next(DirectoryScanner *scanner);
+                                           unsigned long long chunk_size, char** exclude_patterns,
-void directory_scanner_destroy(DirectoryScanner *scanner);
+                                           int exclude_count, char** include_patterns,
+                                           int include_count, unsigned long long max_size,
+                                           unsigned long long min_size);
+Chunk* directory_scanner_next(DirectoryScanner* scanner);
+void directory_scanner_destroy(DirectoryScanner* scanner);
 
 #endif

src/server/server.c

@@ -16,21 +16,24 @@
 #include <stdlib.h>
 #include <string.h>
 
-int receive_files(Config *config, int fd) {
+int receive_files(Config* config, int fd) {
   Status status;
-  if (!receive_status(fd, &status)) return -1;
+  if (!receive_status(fd, &status))
+    return -1;
 
   while (status == STATUS_NEXT || status == STATUS_CHUNK || status == STATUS_CHECK) {
     if (status == STATUS_CHECK) {
       bool skipped;
-      File *file = receive_incremental_check(fd, config, &skipped);
+      File* file = receive_incremental_check(fd, config, &skipped);
-      if (skipped) goto next;
+      if (skipped)
-      if (file == NULL && !skipped) return -1;
+        goto next;
+      if (file == NULL && !skipped)
+        return -1;
       if (config->save_to_disk)
         file_save_to_disk(config->receive_root_directory, file);
       file_destroy(file);
     } else if (status == STATUS_CHUNK) {
-      Chunk *chunk = receive_chunk_data(fd, config);
+      Chunk* chunk = receive_chunk_data(fd, config);
       if (chunk == NULL) {
         send_status(fd, STATUS_ERROR);
         return -1;
@@ -41,7 +44,7 @@ int receive_files(Config *config, int fd) {
       }
       chunk_destroy(chunk);
     } else {
-      File *file = file_receive(config, fd);
+      File* file = file_receive(config, fd);
       if (file == NULL) {
         log_message(LOG_LEVEL_ERROR, "Failed to receive file");
         send_status(fd, STATUS_ERROR);
@@ -59,7 +62,8 @@ int receive_files(Config *config, int fd) {
   }
 
   if (status == STATUS_MANIFEST) {
-    if (receive_manifest(fd, config, &status) != 0) return -1;
+    if (receive_manifest(fd, config, &status) != 0)
+      return -1;
   }
   if (status != STATUS_FINISHED) {
     log_message(LOG_LEVEL_ERROR, "Did not receive FINISHED Status");
@@ -71,21 +75,20 @@ int receive_files(Config *config, int fd) {
 }
 
 void handler(int file_descriptor) {
-  Config *config = config_receive(file_descriptor);
+  Config* config = config_receive(file_descriptor);
   if (config == NULL) {
     log_message(LOG_LEVEL_ERROR, "Failed to receive config");
     close(file_descriptor);
     return;
   }
   if (config->use_multithreading) {
-    Queue *q = queue_create(100, file_destroy);
+    Queue* q = queue_create(100, file_destroy);
     if (q == NULL) {
       config_delete(config);
       close(file_descriptor);
       return;
     }
-    PipelineContextReceiver *context = pipeline_context_receiver_create(
+    PipelineContextReceiver* context = pipeline_context_receiver_create(config, q, file_descriptor);
-        config, q, file_descriptor);
     if (context == NULL) {
       queue_destroy(q);
       config_delete(config);
@@ -109,7 +112,7 @@ void handler(int file_descriptor) {
   close(file_descriptor);
 }
 
-static Server *g_server = NULL;
+static Server* g_server = NULL;
 
 static void cleanup(int sig) {
   (void)sig;
@@ -134,11 +137,11 @@ static void print_server_usage(void) {
   printf("  --help              Show this help\n");
 }
 
-int main(int argc, char *argv[]) {
+int main(int argc, char* argv[]) {
   bool use_tls = false;
-  char *tls_cert = NULL;
+  char* tls_cert = NULL;
-  char *tls_key = NULL;
+  char* tls_key = NULL;
-  char *tls_ca = NULL;
+  char* tls_ca = NULL;
   int port = 8080;
 
   signal(SIGPIPE, SIG_IGN);
@@ -161,7 +164,7 @@ int main(int argc, char *argv[]) {
     } else if (strcmp(argv[i], "--ca") == 0 && i + 1 < argc) {
       tls_ca = argv[++i];
     } else if (strcmp(argv[i], "-p") == 0 && i + 1 < argc) {
-      char *end;
+      char* end;
       long p = strtol(argv[++i], &end, 10);
       if (*end || p <= 0 || p > 65535) {
         fprintf(stderr, "Error: invalid port '%s' (must be 1-65535)\n", argv[i]);

src/shared/array_list.c

@@ -3,14 +3,14 @@
 #include <stdlib.h>
 #include <string.h>
 
-ArrayList *array_list_create(void (*item_destroyer)(void *item)) {
+ArrayList* array_list_create(void (*item_destroyer)(void* item)) {
-  ArrayList *list = (ArrayList *)malloc(sizeof(ArrayList));
+  ArrayList* list = (ArrayList*)malloc(sizeof(ArrayList));
   if (list == NULL) {
     perror("ERROR: Could not allocate memory for array list struct");
     return NULL;
   }
 
-  list->items = malloc(INITIAL_ARRAY_SIZE * sizeof(void *));
+  list->items = malloc(INITIAL_ARRAY_SIZE * sizeof(void*));
   if (list->items == NULL) {
     free(list);
     return NULL;
@@ -21,7 +21,7 @@ ArrayList *array_list_create(void (*item_destroyer)(void *item)) {
   return list;
 }
 
-void array_list_delete(ArrayList *array_list) {
+void array_list_delete(ArrayList* array_list) {
   if (array_list == NULL)
     return;
   if (array_list->item_destroyer != NULL) {
@@ -34,12 +34,13 @@ void array_list_delete(ArrayList *array_list) {
   free(array_list);
 }
 
-bool array_list_extend(ArrayList *array_list) {
+bool array_list_extend(ArrayList* array_list) {
-  if (array_list == NULL) return false;
+  if (array_list == NULL)
+    return false;
   int new_capacity = array_list->capacity * 2;
   if (new_capacity == 0)
     new_capacity = INITIAL_ARRAY_SIZE;
-  void *new_items = realloc(array_list->items, new_capacity * sizeof(void *));
+  void* new_items = realloc(array_list->items, new_capacity * sizeof(void*));
   if (new_items == NULL) {
     perror("ERROR: Could not reallocate memory for array list items");
     return false;
@@ -49,8 +50,9 @@ bool array_list_extend(ArrayList *array_list) {
   return true;
 }
 
-bool array_list_add(ArrayList *array_list, void *item) {
+bool array_list_add(ArrayList* array_list, void* item) {
-  if (array_list == NULL) return false;
+  if (array_list == NULL)
+    return false;
   if (array_list->capacity == array_list->size) {
     if (!array_list_extend(array_list))
       return false;
@@ -60,15 +62,15 @@ bool array_list_add(ArrayList *array_list, void *item) {
   return true;
 }
 
-void **array_list_to_array(ArrayList *array_list) {
+void** array_list_to_array(const ArrayList* array_list) {
   if (array_list == NULL) {
     return NULL;
   }
-  void **array = malloc(array_list->size * sizeof(void *));
+  void** array = malloc(array_list->size * sizeof(void*));
   if (array == NULL) {
     perror("Could not malloc space for array from array list!");
     return NULL;
   }
-  memcpy(array, array_list->items, array_list->size * sizeof(void *));
+  memcpy(array, array_list->items, array_list->size * sizeof(void*));
   return array;
 }

src/shared/array_list.h

@@ -6,16 +6,16 @@
 #define INITIAL_ARRAY_SIZE 100
 
 typedef struct ArrayList {
-  void **items;
+  void** items;
   int size;
   int capacity;
-  void (*item_destroyer)(void *item);
+  void (*item_destroyer)(void* item);
 } ArrayList;
 
-ArrayList *array_list_create(void (*item_destroyer)(void *item));
+ArrayList* array_list_create(void (*item_destroyer)(void* item));
-void array_list_delete(ArrayList *array_list);
+void array_list_delete(ArrayList* array_list);
-bool array_list_extend(ArrayList *array_list);
+bool array_list_extend(ArrayList* array_list);
-bool array_list_add(ArrayList *array_list, void *item);
+bool array_list_add(ArrayList* array_list, void* item);
-void **array_list_to_array(ArrayList *array_list);
+void** array_list_to_array(const ArrayList* array_list);
 
 #endif

src/shared/chunk.c

@@ -12,14 +12,14 @@
 #include "metadata.h"
 #include "protocol.h"
 
-Chunk *chunk_create(File **items, int element_count) {
+Chunk* chunk_create(File** items, int element_count) {
-  Chunk *chunk = (Chunk *)malloc(sizeof(Chunk));
+  Chunk* chunk = (Chunk*)malloc(sizeof(Chunk));
   if (chunk == NULL) {
     perror("ERROR: Could not allocate memory for chunk structure");
     return NULL;
   }
 
-  chunk->items = (File **)malloc(element_count * sizeof(File *));
+  chunk->items = (File**)malloc(element_count * sizeof(File*));
   if (chunk->items == NULL) {
     free(chunk);
     return NULL;
@@ -32,11 +32,11 @@ Chunk *chunk_create(File **items, int element_count) {
   return chunk;
 }
 
-void chunk_destroy(void *item) {
+void chunk_destroy(void* item) {
   if (item == NULL) {
     return;
   }
-  Chunk *chunk = (Chunk *)item;
+  Chunk* chunk = (Chunk*)item;
   for (int i = 0; i < chunk->element_count; ++i) {
     if (chunk->items[i] != NULL) {
       file_destroy(chunk->items[i]);
@@ -46,26 +46,25 @@ void chunk_destroy(void *item) {
   free(chunk);
 }
 
-static unsigned long long per_file_serialize_size(File *file, bool use_metadata) {
+static unsigned long long per_file_serialize_size(File* file, bool use_metadata) {
   return sizeof(size_t) + strlen(file->path) +
          (use_metadata ? sizeof(int) + (file->metadata ? FILE_METADATA_WIRE_SIZE : 0) : 0) +
          sizeof(size_t) + file->data->size;
 }
 
-Data *chunk_serialize(Chunk *chunk, bool use_metadata) {
+Data* chunk_serialize(Chunk* chunk, bool use_metadata) {
   unsigned long long data_size = 0;
   for (int i = 0; i < chunk->element_count; i++) {
     data_size += per_file_serialize_size(chunk->items[i], use_metadata);
   }
-  Data *data = data_create_empty(data_size);
+  Data* data = data_create_empty(data_size);
   if (data == NULL) {
-    log_message(LOG_LEVEL_ERROR,
+    log_message(LOG_LEVEL_ERROR, "Could not allocate memory for chunk serialization");
-                "Could not allocate memory for chunk serialization");
     return NULL;
   }
-  char *data_pointer = data->data;
+  char* data_pointer = data->data;
   for (int i = 0; i < chunk->element_count; i++) {
-    File *file = chunk->items[i];
+    File* file = chunk->items[i];
     size_t path_len = strlen(file->path);
     memcpy(data_pointer, &path_len, sizeof(size_t));
     data_pointer += sizeof(size_t);
@@ -84,9 +83,9 @@ Data *chunk_serialize(Chunk *chunk, bool use_metadata) {
   return data;
 }
 
-Chunk *chunk_deserialize(Data *data, bool use_metadata) {
+Chunk* chunk_deserialize(Data* data, bool use_metadata) {
-  ArrayList *files = array_list_create(file_destroy);
+  ArrayList* files = array_list_create(file_destroy);
-  char *data_pointer = data->data;
+  char* data_pointer = data->data;
   size_t remaining_size = data->size;
 
   while (remaining_size > 0) {
@@ -96,7 +95,7 @@ Chunk *chunk_deserialize(Data *data, bool use_metadata) {
       return NULL;
     }
 
-    size_t path_len = *(size_t *)data_pointer;
+    size_t path_len = *(size_t*)data_pointer;
     data_pointer += sizeof(size_t);
     remaining_size -= sizeof(size_t);
 
@@ -106,7 +105,7 @@ Chunk *chunk_deserialize(Data *data, bool use_metadata) {
       return NULL;
     }
 
-    char *path = malloc(path_len + 1);
+    char* path = malloc(path_len + 1);
     if (path == NULL) {
       perror("Could not allocate memory for file path");
       array_list_delete(files);
@@ -117,7 +116,7 @@ Chunk *chunk_deserialize(Data *data, bool use_metadata) {
     data_pointer += path_len;
     remaining_size -= path_len;
 
-    File *file = file_create(path);
+    File* file = file_create(path);
     free(path);
 
     if (use_metadata) {
@@ -133,7 +132,7 @@ Chunk *chunk_deserialize(Data *data, bool use_metadata) {
       return NULL;
     }
 
-    size_t file_data_size = *(size_t *)data_pointer;
+    size_t file_data_size = *(size_t*)data_pointer;
     data_pointer += sizeof(size_t);
     remaining_size -= sizeof(size_t);
 
@@ -143,7 +142,7 @@ Chunk *chunk_deserialize(Data *data, bool use_metadata) {
       return NULL;
     }
 
-    void *file_data = malloc(file_data_size);
+    void* file_data = malloc(file_data_size);
     if (file_data == NULL) {
       perror("Could not allocate memory for file data");
       array_list_delete(files);
@@ -158,8 +157,8 @@ Chunk *chunk_deserialize(Data *data, bool use_metadata) {
     array_list_add(files, file);
   }
 
-  File **file_array = (File **)array_list_to_array(files);
+  File** file_array = (File**)array_list_to_array(files);
-  Chunk *chunk = chunk_create(file_array, files->size);
+  Chunk* chunk = chunk_create(file_array, files->size);
 
   free(file_array);
   files->item_destroyer = NULL;
@@ -168,24 +167,26 @@ Chunk *chunk_deserialize(Data *data, bool use_metadata) {
   return chunk;
 }
 
-Data *chunk_compress(Chunk *chunk, int compression_level, bool use_metadata) {
+Data* chunk_compress(Chunk* chunk, int compression_level, bool use_metadata) {
   log_message(LOG_LEVEL_DEBUG, "Starting to compress chunk");
-  Data *serialized = chunk_serialize(chunk, use_metadata);
+  Data* serialized = chunk_serialize(chunk, use_metadata);
-  if (serialized == NULL) return NULL;
+  if (serialized == NULL)
-  Data *compressed = data_compress(serialized, compression_level);
+    return NULL;
+  Data* compressed = data_compress(serialized, compression_level);
   data_destroy(serialized);
-  if (compressed == NULL) return NULL;
+  if (compressed == NULL)
+    return NULL;
   log_message(LOG_LEVEL_DEBUG, "Chunk successfully compressed");
   return compressed;
 }
 
-Chunk *receive_chunk_data(int fd, Config *config) {
+Chunk* receive_chunk_data(int fd, const Config* config) {
-  Data *chunk_data = receive_data(fd);
+  Data* chunk_data = receive_data(fd);
   if (chunk_data == NULL) {
     log_message(LOG_LEVEL_ERROR, "Failed to receive chunk data");
     return NULL;
   }
-  Data *data_to_process = chunk_data;
+  Data* data_to_process = chunk_data;
   if (config->use_compression) {
     data_to_process = data_decompress(chunk_data);
     data_destroy(chunk_data);
@@ -194,12 +195,9 @@ Chunk *receive_chunk_data(int fd, Config *config) {
       return NULL;
     }
   }
-  Chunk *chunk = chunk_deserialize(data_to_process, config->use_metadata);
+  Chunk* chunk = chunk_deserialize(data_to_process, config->use_metadata);
   data_destroy(data_to_process);
   if (chunk == NULL)
     log_message(LOG_LEVEL_ERROR, "Failed to deserialize chunk, skipping");
   return chunk;
 }
-
-
-

src/shared/chunk.h

@@ -10,15 +10,15 @@
 #define DESIRED_CHUNK_SIZE (10 * 1024 * 1024)
 
 typedef struct {
-  File **items;
+  File** items;
   int element_count;
 } Chunk;
 
-Chunk *chunk_create(File **items, int element_count);
+Chunk* chunk_create(File** items, int element_count);
-void chunk_destroy(void *chunk);
+void chunk_destroy(void* chunk);
-Data *chunk_serialize(Chunk *chunk, bool use_metadata);
+Data* chunk_serialize(Chunk* chunk, bool use_metadata);
-Chunk *chunk_deserialize(Data *data, bool use_metadata);
+Chunk* chunk_deserialize(Data* data, bool use_metadata);
-Data *chunk_compress(Chunk *chunk, int compression_level, bool use_metadata);
+Data* chunk_compress(Chunk* chunk, int compression_level, bool use_metadata);
-Chunk *receive_chunk_data(int fd, Config *config);
+Chunk* receive_chunk_data(int fd, const Config* config);
 
 #endif

src/shared/compression.c

@@ -6,13 +6,15 @@
 
 #define INITIAL_DECOMPRESS_BUF_SIZE (1024 * 1024)
 
-Data *data_compress(Data *data_to_compress, int compression_level) {
+Data* data_compress(Data* data_to_compress, int compression_level) {
+  (void)compression_level;
   log_message(LOG_LEVEL_DEBUG, "Starting to compress data");
   size_t dst_size = ZSTD_compressBound(data_to_compress->size);
-  Data *compressed_data = data_create_empty(dst_size);
+  Data* compressed_data = data_create_empty(dst_size);
-  if (compressed_data == NULL) return NULL;
+  if (compressed_data == NULL)
+    return NULL;
 
-  ZSTD_CCtx *cctx = ZSTD_createCCtx();
+  ZSTD_CCtx* cctx = ZSTD_createCCtx();
   if (!cctx) {
     log_message(LOG_LEVEL_ERROR, "Failed to create ZSTD compression context");
     data_destroy(compressed_data);
@@ -26,8 +28,7 @@ Data *data_compress(Data *data_to_compress, int compression_level) {
   do {
     ret = ZSTD_compressStream2(cctx, &output, &input, ZSTD_e_end);
     if (ZSTD_isError(ret)) {
-      log_message(LOG_LEVEL_ERROR, "Compression failed: %s",
+      log_message(LOG_LEVEL_ERROR, "Compression failed: %s", ZSTD_getErrorName(ret));
-                  ZSTD_getErrorName(ret));
       ZSTD_freeCCtx(cctx);
       data_destroy(compressed_data);
       return NULL;
@@ -42,27 +43,25 @@ Data *data_compress(Data *data_to_compress, int compression_level) {
   return compressed_data;
 }
 
-Data *data_decompress(Data *compressed_data) {
+Data* data_decompress(Data* compressed_data) {
   log_message(LOG_LEVEL_DEBUG, "Start to decompress data");
-  unsigned long long dst_size = ZSTD_getFrameContentSize(
+  unsigned long long dst_size =
-      compressed_data->data, compressed_data->size);
+      ZSTD_getFrameContentSize(compressed_data->data, compressed_data->size);
   if (ZSTD_isError(dst_size)) {
     log_message(LOG_LEVEL_ERROR, "Failed to get decompressed size: %s",
                 ZSTD_getErrorName(dst_size));
     return NULL;
   }
 
-  ZSTD_DCtx *dctx = ZSTD_createDCtx();
+  ZSTD_DCtx* dctx = ZSTD_createDCtx();
   if (!dctx) {
-    log_message(LOG_LEVEL_ERROR,
+    log_message(LOG_LEVEL_ERROR, "Failed to create ZSTD decompression context");
-                "Failed to create ZSTD decompression context");
     return NULL;
   }
 
-  size_t buf_size = (!ZSTD_isError(dst_size) && dst_size > 0)
+  size_t buf_size =
-                        ? (size_t)dst_size
+      (!ZSTD_isError(dst_size) && dst_size > 0) ? (size_t)dst_size : INITIAL_DECOMPRESS_BUF_SIZE;
-                        : INITIAL_DECOMPRESS_BUF_SIZE;
+  Data* uncompressed_data = data_create_empty(buf_size);
-  Data *uncompressed_data = data_create_empty(buf_size);
   if (!uncompressed_data) {
     log_message(LOG_LEVEL_ERROR, "Failed to allocate decompression buffer");
     ZSTD_freeDCtx(dctx);
@@ -76,15 +75,14 @@ Data *data_decompress(Data *compressed_data) {
   do {
     ret = ZSTD_decompressStream(dctx, &output, &input);
     if (ZSTD_isError(ret)) {
-      log_message(LOG_LEVEL_ERROR, "Decompression failed: %s",
+      log_message(LOG_LEVEL_ERROR, "Decompression failed: %s", ZSTD_getErrorName(ret));
-                  ZSTD_getErrorName(ret));
       ZSTD_freeDCtx(dctx);
       data_destroy(uncompressed_data);
       return NULL;
     }
     if (ret > 0 && output.pos == output.size) {
       buf_size *= 2;
-      void *new_data = realloc(uncompressed_data->data, buf_size);
+      void* new_data = realloc(uncompressed_data->data, buf_size);
       if (!new_data) {
         log_message(LOG_LEVEL_ERROR, "Failed to grow decompression buffer");
         ZSTD_freeDCtx(dctx);

src/shared/compression.h

@@ -3,7 +3,7 @@
 
 #include "data.h"
 
-Data *data_compress(Data *data_to_compress, int compression_level);
+Data* data_compress(Data* data_to_compress, int compression_level);
-Data *data_decompress(Data *compressed_data);
+Data* data_decompress(Data* compressed_data);
 
 #endif

src/shared/config.c

@@ -8,14 +8,12 @@
 #include <stdlib.h>
 #include <string.h>
 
-Config *config_create(char *version, char *send_directory,
+Config* config_create(char* version, char* send_directory, char* receive_directory,
-                      char *receive_directory, bool save_to_disk,
+                      bool save_to_disk, bool use_multithreading, bool use_chunk_serialization,
-                      bool use_multithreading, bool use_chunk_serialization,
+                      bool use_compression, bool use_metadata, int compression_level,
-                       bool use_compression, bool use_metadata,
+                      bool use_sendfile, unsigned long long chunk_size) {
-                       int compression_level, bool use_sendfile,
-                       unsigned long long chunk_size) {
 
-  Config *config = malloc(sizeof(Config));
+  Config* config = malloc(sizeof(Config));
   config->version = version;
   config->send_directory = send_directory;
   config->receive_root_directory = receive_directory;
@@ -50,28 +48,33 @@ Config *config_create(char *version, char *send_directory,
   return config;
 }
 
-bool is_remote_dest(const char *s) {
+bool is_remote_dest(const char* s) {
-  if (s == NULL) return false;
+  if (s == NULL)
-  const char *colon = strchr(s, ':');
+    return false;
-  if (colon == NULL) return false;
+  const char* colon = strchr(s, ':');
-  if (colon == s) return false;
+  if (colon == NULL)
-  for (const char *p = s; p < colon; p++) {
+    return false;
-    if (*p == '/') return false;
+  if (colon == s)
+    return false;
+  for (const char* p = s; p < colon; p++) {
+    if (*p == '/')
+      return false;
   }
   return true;
 }
 
-void config_parse_ssh_dest(Config *config) {
+void config_parse_ssh_dest(Config* config) {
-  if (!is_remote_dest(config->receive_root_directory)) return;
+  if (!is_remote_dest(config->receive_root_directory))
+    return;
   config->transport = TRANSPORT_SSH;
   config->ssh_destination = str_dup(config->receive_root_directory);
-  char *colon = strchr(config->receive_root_directory, ':');
+  const char* colon = strchr(config->receive_root_directory, ':');
-  char *path = str_dup(colon + 1);
+  char* path = str_dup(colon + 1);
   free(config->receive_root_directory);
   config->receive_root_directory = path;
 }
 
-void config_delete(Config *config) {
+void config_delete(Config* config) {
   free(config->version);
   free(config->send_directory);
   free(config->receive_root_directory);
@@ -88,25 +91,42 @@ void config_delete(Config *config) {
   free(config);
 }
 
-bool config_send(int file_descriptor, Config *config) {
+bool config_send(int file_descriptor, const Config* config) {
-  if (!send_str(file_descriptor, config->version)) return false;
+  if (!send_str(file_descriptor, config->version))
-  if (!send_str(file_descriptor, config->send_directory)) return false;
+    return false;
-  if (!send_str(file_descriptor, config->receive_root_directory)) return false;
+  if (!send_str(file_descriptor, config->send_directory))
-  if (!send_int(file_descriptor, config->save_to_disk)) return false;
+    return false;
-  if (!send_int(file_descriptor, config->use_multithreading)) return false;
+  if (!send_str(file_descriptor, config->receive_root_directory))
-  if (!send_int(file_descriptor, config->use_chunk_serialization)) return false;
+    return false;
-  if (!send_int(file_descriptor, config->use_compression)) return false;
+  if (!send_int(file_descriptor, config->save_to_disk))
-  if (!send_int(file_descriptor, config->use_metadata)) return false;
+    return false;
-  if (!send_int(file_descriptor, config->compression_level)) return false;
+  if (!send_int(file_descriptor, config->use_multithreading))
-  if (!send_int(file_descriptor, (int)config->chunk_size)) return false;
+    return false;
-  if (!send_int(file_descriptor, config->use_sendfile)) return false;
+  if (!send_int(file_descriptor, config->use_chunk_serialization))
-  if (!send_int(file_descriptor, config->use_delete)) return false;
+    return false;
-  if (!send_int(file_descriptor, config->use_incremental)) return false;
+  if (!send_int(file_descriptor, config->use_compression))
-  if (!send_int(file_descriptor, config->use_delta)) return false;
+    return false;
-  if (!send_int(file_descriptor, (int)config->delta_block_size)) return false;
+  if (!send_int(file_descriptor, config->use_metadata))
-  if (!send_n_data(file_descriptor, &config->delta_max_file_size, sizeof(unsigned long long))) return false;
+    return false;
+  if (!send_int(file_descriptor, config->compression_level))
+    return false;
+  if (!send_int(file_descriptor, (int)config->chunk_size))
+    return false;
+  if (!send_int(file_descriptor, config->use_sendfile))
+    return false;
+  if (!send_int(file_descriptor, config->use_delete))
+    return false;
+  if (!send_int(file_descriptor, config->use_incremental))
+    return false;
+  if (!send_int(file_descriptor, config->use_delta))
+    return false;
+  if (!send_int(file_descriptor, (int)config->delta_block_size))
+    return false;
+  if (!send_n_data(file_descriptor, &config->delta_max_file_size, sizeof(unsigned long long)))
+    return false;
   Status status;
-  if (!receive_status(file_descriptor, &status)) return false;
+  if (!receive_status(file_descriptor, &status))
+    return false;
   if (status != STATUS_OK) {
     log_message(LOG_LEVEL_ERROR, "Error transmitting config");
     return false;
@@ -114,49 +134,75 @@ bool config_send(int file_descriptor, Config *config) {
   return true;
 }
 
-Config *config_receive(int file_descriptor) {
+Config* config_receive(int file_descriptor) {
-  Config *config = (Config *)malloc(sizeof(Config));
+  Config* config = (Config*)malloc(sizeof(Config));
-  if (config == NULL) return NULL;
+  if (config == NULL)
+    return NULL;
   config->version = receive_str(file_descriptor);
-  if (!config->version) { free(config); return NULL; }
+  if (!config->version) {
+    free(config);
+    return NULL;
+  }
   if (strcmp(config->version, PROTOCOL_VERSION) != 0) {
-    fprintf(stderr, "Protocol version mismatch: client=%s, server=%s\n",
+    fprintf(stderr, "Protocol version mismatch: client=%s, server=%s\n", config->version,
-            config->version, PROTOCOL_VERSION);
+            PROTOCOL_VERSION);
     free(config->version);
     free(config);
     send_status(file_descriptor, STATUS_ERROR);
     return NULL;
   }
   config->send_directory = receive_str(file_descriptor);
-  if (!config->send_directory) { free(config->version); free(config); return NULL; }
+  if (!config->send_directory) {
+    free(config->version);
+    free(config);
+    return NULL;
+  }
   config->receive_root_directory = receive_str(file_descriptor);
-  if (!config->receive_root_directory) { free(config->version); free(config->send_directory); free(config); return NULL; }
+  if (!config->receive_root_directory) {
+    free(config->version);
+    free(config->send_directory);
+    free(config);
+    return NULL;
+  }
   int tmp;
-  if (!receive_int(file_descriptor, &tmp)) goto error;
+  if (!receive_int(file_descriptor, &tmp))
+    goto error;
   config->save_to_disk = tmp;
-  if (!receive_int(file_descriptor, &tmp)) goto error;
+  if (!receive_int(file_descriptor, &tmp))
+    goto error;
   config->use_multithreading = tmp;
-  if (!receive_int(file_descriptor, &tmp)) goto error;
+  if (!receive_int(file_descriptor, &tmp))
+    goto error;
   config->use_chunk_serialization = tmp;
-  if (!receive_int(file_descriptor, &tmp)) goto error;
+  if (!receive_int(file_descriptor, &tmp))
+    goto error;
   config->use_compression = tmp;
-  if (!receive_int(file_descriptor, &tmp)) goto error;
+  if (!receive_int(file_descriptor, &tmp))
+    goto error;
   config->use_metadata = tmp;
-  if (!receive_int(file_descriptor, &tmp)) goto error;
+  if (!receive_int(file_descriptor, &tmp))
+    goto error;
   config->compression_level = tmp;
-  if (!receive_int(file_descriptor, &tmp)) goto error;
+  if (!receive_int(file_descriptor, &tmp))
+    goto error;
   config->chunk_size = (unsigned long long)tmp;
-  if (!receive_int(file_descriptor, &tmp)) goto error;
+  if (!receive_int(file_descriptor, &tmp))
+    goto error;
   config->use_sendfile = tmp;
-  if (!receive_int(file_descriptor, &tmp)) goto error;
+  if (!receive_int(file_descriptor, &tmp))
+    goto error;
   config->use_delete = tmp;
-  if (!receive_int(file_descriptor, &tmp)) goto error;
+  if (!receive_int(file_descriptor, &tmp))
+    goto error;
   config->use_incremental = tmp;
-  if (!receive_int(file_descriptor, &tmp)) goto error;
+  if (!receive_int(file_descriptor, &tmp))
+    goto error;
   config->use_delta = tmp;
-  if (!receive_int(file_descriptor, &tmp)) goto error;
+  if (!receive_int(file_descriptor, &tmp))
+    goto error;
   config->delta_block_size = (uint32_t)tmp;
-  if (!receive_n_data(file_descriptor, &config->delta_max_file_size, sizeof(unsigned long long))) goto error;
+  if (!receive_n_data(file_descriptor, &config->delta_max_file_size, sizeof(unsigned long long)))
+    goto error;
   config->show_progress = false;
   config->dry_run = false;
   config->ssh_port = 22;
@@ -172,7 +218,8 @@ Config *config_receive(int file_descriptor) {
   config->tls_cert = NULL;
   config->tls_key = NULL;
   config->tls_ca = NULL;
-  if (!send_status(file_descriptor, STATUS_OK)) goto error;
+  if (!send_status(file_descriptor, STATUS_OK))
+    goto error;
   return config;
 
 error:

src/shared/config.h

@@ -4,15 +4,12 @@
 #include <stdbool.h>
 #include <stdint.h>
 
-typedef enum {
+typedef enum { TRANSPORT_TCP, TRANSPORT_SSH } TransportType;
-  TRANSPORT_TCP,
-  TRANSPORT_SSH
-} TransportType;
 
 typedef struct Config {
-  char *version;
+  char* version;
-  char *send_directory;
+  char* send_directory;
-  char *receive_root_directory;
+  char* receive_root_directory;
   bool save_to_disk;
   bool use_multithreading;
   bool use_chunk_serialization;
@@ -26,10 +23,10 @@ typedef struct Config {
   unsigned long long chunk_size;
   int ssh_port;
   TransportType transport;
-  char *ssh_destination;
+  char* ssh_destination;
-  char **exclude_patterns;
+  char** exclude_patterns;
   int exclude_count;
-  char **include_patterns;
+  char** include_patterns;
   int include_count;
   unsigned long long max_size;
   unsigned long long min_size;
@@ -38,24 +35,22 @@ typedef struct Config {
   uint32_t delta_block_size;
   unsigned long long delta_max_file_size;
   bool use_tls;
-  char *tls_cert;
+  char* tls_cert;
-  char *tls_key;
+  char* tls_key;
-  char *tls_ca;
+  char* tls_ca;
 } Config;
 
 #define PROTOCOL_VERSION "1.2.0"
 #define DEFAULT_CHUNK_SIZE (10 * 1024 * 1024)
 
-Config *config_create(char *version, char *send_directory,
+Config* config_create(char* version, char* send_directory, char* receive_directory,
-                      char *receive_directory, bool save_to_disk,
+                      bool save_to_disk, bool use_multithreading, bool use_chunk_serialization,
-                      bool use_multithreading, bool use_chunk_serialization,
+                      bool use_compression, bool use_metadata, int compression_level,
-                       bool use_compression, bool use_metadata,
+                      bool use_sendfile, unsigned long long chunk_size);
-                       int compression_level, bool use_sendfile,
+void config_delete(Config* config);
-                       unsigned long long chunk_size);
+bool config_send(int file_descriptor, const Config* config);
-void config_delete(Config *config);
+Config* config_receive(int file_descriptor);
-bool config_send(int file_descriptor, Config *config);
+bool is_remote_dest(const char* s);
-Config *config_receive(int file_descriptor);
+void config_parse_ssh_dest(Config* config);
-bool is_remote_dest(const char *s);
-void config_parse_ssh_dest(Config *config);
 
 #endif

src/shared/data.c

@@ -2,8 +2,8 @@
 #include "log.h"
 #include "stdlib.h"
 
-Data *data_create_empty(size_t data_size) {
+Data* data_create_empty(size_t data_size) {
-  void *data = malloc(data_size);
+  void* data = malloc(data_size);
   if (data == NULL) {
     log_message(LOG_LEVEL_ERROR, "Could not allocate memory for empty data");
     return NULL;
@@ -11,8 +11,8 @@ Data *data_create_empty(size_t data_size) {
   return data_create(data, data_size);
 }
 
-Data *data_create_reserve(size_t size) {
+Data* data_create_reserve(size_t size) {
-  Data *d = malloc(sizeof(Data));
+  Data* d = malloc(sizeof(Data));
   if (d == NULL) {
     log_message(LOG_LEVEL_ERROR, "Could not allocate memory for data");
     return NULL;
@@ -22,8 +22,8 @@ Data *data_create_reserve(size_t size) {
   return d;
 }
 
-Data *data_create(void *data, size_t data_size) {
+Data* data_create(void* data, size_t data_size) {
-  Data *new_data = malloc(sizeof(Data));
+  Data* new_data = malloc(sizeof(Data));
   if (new_data == NULL) {
     log_message(LOG_LEVEL_ERROR, "Could not allocate memory for data");
     free(data);
@@ -34,8 +34,9 @@ Data *data_create(void *data, size_t data_size) {
   return new_data;
 }
 
-void data_destroy(Data *data) {
+void data_destroy(Data* data) {
-  if (data == NULL) return;
+  if (data == NULL)
+    return;
   free(data->data);
   free(data);
 }

src/shared/data.h

@@ -4,13 +4,13 @@
 #include "stdlib.h"
 
 typedef struct {
-  void *data;
+  void* data;
   size_t size;
 } Data;
 
-Data *data_create_empty(size_t data_size);
+Data* data_create_empty(size_t data_size);
-Data *data_create_reserve(size_t size);
+Data* data_create_reserve(size_t size);
-Data *data_create(void *data, size_t data_size);
+Data* data_create(void* data, size_t data_size);
-void data_destroy(Data *data);
+void data_destroy(Data* data);
 
 #endif

src/shared/delta.c

@@ -7,8 +7,8 @@
 #define XXH_IMPLEMENTATION
 #include <xxhash.h>
 
-uint32_t delta_adler32(const void *data, uint32_t len) {
+uint32_t delta_adler32(const void* data, uint32_t len) {
-  const uint8_t *p = (const uint8_t *)data;
+  const uint8_t* p = (const uint8_t*)data;
   uint32_t s1 = 1;
   uint32_t s2 = 0;
   for (uint32_t i = 0; i < len; i++) {
@@ -18,20 +18,20 @@ uint32_t delta_adler32(const void *data, uint32_t len) {
   return (s2 << 16) | s1;
 }
 
-uint32_t delta_xxhash32(const void *data, uint32_t len) {
+uint32_t delta_xxhash32(const void* data, uint32_t len) {
   return XXH32(data, len, 0);
 }
 
-DeltaSignature *delta_signature_create(const void *old_file_data,
+DeltaSignature* delta_signature_create(const void* old_file_data, uint64_t old_file_size,
-                                        uint64_t old_file_size,
                                        uint32_t block_size) {
   if (old_file_data == NULL || old_file_size == 0 || block_size == 0)
     return NULL;
 
   uint32_t block_count = (uint32_t)((old_file_size + block_size - 1) / block_size);
 
-  DeltaSignature *sig = malloc(sizeof(DeltaSignature));
+  DeltaSignature* sig = malloc(sizeof(DeltaSignature));
-  if (!sig) return NULL;
+  if (!sig)
+    return NULL;
 
   sig->file_size = old_file_size;
   sig->block_size = block_size;
@@ -42,12 +42,11 @@ DeltaSignature *delta_signature_create(const void *old_file_data,
     return NULL;
   }
 
-  const uint8_t *data = (const uint8_t *)old_file_data;
+  const uint8_t* data = (const uint8_t*)old_file_data;
   for (uint32_t i = 0; i < block_count; i++) {
     uint64_t offset = (uint64_t)i * block_size;
-    uint32_t len = (uint32_t)((old_file_size - offset < block_size)
+    uint32_t len =
-                                  ? (old_file_size - offset)
+        (uint32_t)((old_file_size - offset < block_size) ? (old_file_size - offset) : block_size);
-                                  : block_size);
     sig->blocks[i].adler32 = delta_adler32(data + offset, len);
     sig->blocks[i].xxhash = delta_xxhash32(data + offset, len);
   }
@@ -55,14 +54,16 @@ DeltaSignature *delta_signature_create(const void *old_file_data,
   return sig;
 }
 
-Data *delta_signature_serialize(const DeltaSignature *sig) {
+Data* delta_signature_serialize(const DeltaSignature* sig) {
-  if (!sig) return NULL;
+  if (!sig)
+    return NULL;
 
   uint64_t total = sizeof(uint64_t) + sizeof(uint32_t) + sizeof(uint32_t) +
                    (uint64_t)sig->block_count * (sizeof(uint32_t) + sizeof(uint32_t));
 
-  uint8_t *buf = malloc((size_t)total);
+  uint8_t* buf = malloc((size_t)total);
-  if (!buf) return NULL;
+  if (!buf)
+    return NULL;
 
   size_t pos = 0;
   memcpy(buf + pos, &sig->file_size, sizeof(uint64_t));
@@ -82,15 +83,16 @@ Data *delta_signature_serialize(const DeltaSignature *sig) {
   return data_create(buf, (size_t)total);
 }
 
-DeltaSignature *delta_signature_deserialize(const Data *data) {
+DeltaSignature* delta_signature_deserialize(const Data* data) {
   if (!data || data->size < sizeof(uint64_t) + sizeof(uint32_t) + sizeof(uint32_t))
     return NULL;
 
-  const uint8_t *buf = (const uint8_t *)data->data;
+  const uint8_t* buf = (const uint8_t*)data->data;
   size_t pos = 0;
 
-  DeltaSignature *sig = malloc(sizeof(DeltaSignature));
+  DeltaSignature* sig = malloc(sizeof(DeltaSignature));
-  if (!sig) return NULL;
+  if (!sig)
+    return NULL;
 
   memcpy(&sig->file_size, buf + pos, sizeof(uint64_t));
   pos += sizeof(uint64_t);
@@ -122,31 +124,35 @@ DeltaSignature *delta_signature_deserialize(const Data *data) {
   return sig;
 }
 
-void delta_signature_destroy(DeltaSignature *sig) {
+void delta_signature_destroy(DeltaSignature* sig) {
-  if (!sig) return;
+  if (!sig)
+    return;
   free(sig->blocks);
   free(sig);
 }
 
-static bool ensure_capacity(DeltaInstruction **instrs, uint32_t *capacity,
+static bool ensure_capacity(DeltaInstruction** instrs, uint32_t* capacity, uint32_t count) {
-                             uint32_t count) {
+  if (count < *capacity)
-  if (count < *capacity) return true;
+    return true;
   uint32_t new_cap = *capacity * 2;
-  DeltaInstruction *tmp = realloc(*instrs, new_cap * sizeof(DeltaInstruction));
+  DeltaInstruction* tmp = realloc(*instrs, new_cap * sizeof(DeltaInstruction));
-  if (!tmp) return false;
+  if (!tmp)
+    return false;
   *instrs = tmp;
   *capacity = new_cap;
   return true;
 }
 
-static bool flush_literal(DeltaInstruction **instrs, uint32_t *capacity,
+static bool flush_literal(DeltaInstruction** instrs, uint32_t* capacity, uint32_t* count,
-                           uint32_t *count, const uint8_t *data,
+                          const uint8_t* data, uint64_t start, uint64_t end) {
-                           uint64_t start, uint64_t end) {
+  if (start >= end)
-  if (start >= end) return true;
+    return true;
   uint32_t lit_len = (uint32_t)(end - start);
-  if (!ensure_capacity(instrs, capacity, *count)) return false;
+  if (!ensure_capacity(instrs, capacity, *count))
-  uint8_t *lit_data = malloc(lit_len);
+    return false;
-  if (!lit_data) return false;
+  uint8_t* lit_data = malloc(lit_len);
+  if (!lit_data)
+    return false;
   memcpy(lit_data, data + start, lit_len);
   (*instrs)[*count].type = DELTA_INSTR_LITERAL;
   (*instrs)[*count].literal.data = lit_data;
@@ -155,17 +161,18 @@ static bool flush_literal(DeltaInstruction **instrs, uint32_t *capacity,
   return true;
 }
 
-Delta *delta_compute(const void *new_file_data, uint64_t new_file_size,
+Delta* delta_compute(const void* new_file_data, uint64_t new_file_size, const DeltaSignature* sig,
-                      const DeltaSignature *sig, uint32_t block_size) {
+                     uint32_t block_size) {
   if (!new_file_data || !sig || new_file_size == 0 || block_size == 0)
     return NULL;
 
-  const uint8_t *new_data = (const uint8_t *)new_file_data;
+  const uint8_t* new_data = (const uint8_t*)new_file_data;
 
   uint32_t capacity = 64;
   uint32_t count = 0;
-  DeltaInstruction *instrs = malloc(capacity * sizeof(DeltaInstruction));
+  DeltaInstruction* instrs = malloc(capacity * sizeof(DeltaInstruction));
-  if (!instrs) return NULL;
+  if (!instrs)
+    return NULL;
 
   uint64_t literal_start = 0;
   bool has_literal = false;
@@ -176,20 +183,17 @@ Delta *delta_compute(const void *new_file_data, uint64_t new_file_size,
   bool rolling_valid = false;
 
   while (i < new_file_size) {
-    uint32_t window_len = (uint32_t)((new_file_size - i < block_size)
+    uint32_t window_len =
-                                         ? (new_file_size - i)
+        (uint32_t)((new_file_size - i < block_size) ? (new_file_size - i) : block_size);
-                                         : block_size);
     bool full_window = (window_len == block_size);
 
     uint32_t adler;
     if (rolling_valid && full_window) {
       uint8_t old_byte = new_data[i - 1];
       uint8_t new_byte = new_data[i + block_size - 1];
-      s1 = (s1 + DELTA_ADLER32_MODULUS - old_byte + new_byte) %
+      s1 = (s1 + DELTA_ADLER32_MODULUS - old_byte + new_byte) % DELTA_ADLER32_MODULUS;
-           DELTA_ADLER32_MODULUS;
       s2 = (s2 + DELTA_ADLER32_MODULUS -
-            (uint32_t)((uint64_t)block_size * old_byte % DELTA_ADLER32_MODULUS) +
+            (uint32_t)((uint64_t)block_size * old_byte % DELTA_ADLER32_MODULUS) + s1 - 1) %
-            s1 - 1) %
            DELTA_ADLER32_MODULUS;
       adler = (s2 << 16) | s1;
     } else {
@@ -209,8 +213,7 @@ Delta *delta_compute(const void *new_file_data, uint64_t new_file_size,
         uint32_t xxh = delta_xxhash32(new_data + i, window_len);
         if (xxh == sig->blocks[j].xxhash) {
           if (has_literal) {
-            if (!flush_literal(&instrs, &capacity, &count, new_data,
+            if (!flush_literal(&instrs, &capacity, &count, new_data, literal_start, i)) {
-                               literal_start, i)) {
               free(instrs);
               return NULL;
             }
@@ -245,14 +248,13 @@ Delta *delta_compute(const void *new_file_data, uint64_t new_file_size,
   }
 
   if (has_literal) {
-    if (!flush_literal(&instrs, &capacity, &count, new_data,
+    if (!flush_literal(&instrs, &capacity, &count, new_data, literal_start, new_file_size)) {
-                       literal_start, new_file_size)) {
       free(instrs);
       return NULL;
     }
   }
 
-  Delta *delta = malloc(sizeof(Delta));
+  Delta* delta = malloc(sizeof(Delta));
   if (!delta) {
     for (uint32_t k = 0; k < count; k++) {
       if (instrs[k].type == DELTA_INSTR_LITERAL)
@@ -279,12 +281,14 @@ Delta *delta_compute(const void *new_file_data, uint64_t new_file_size,
   return delta;
 }
 
-Data *delta_serialize(const Delta *delta) {
+Data* delta_serialize(const Delta* delta) {
-  if (!delta) return NULL;
+  if (!delta)
+    return NULL;
 
   uint64_t total = sizeof(uint64_t) + sizeof(uint32_t) + delta->delta_size;
-  uint8_t *buf = malloc((size_t)total);
+  uint8_t* buf = malloc((size_t)total);
-  if (!buf) return NULL;
+  if (!buf)
+    return NULL;
 
   size_t pos = 0;
   memcpy(buf + pos, &delta->new_file_size, sizeof(uint64_t));
@@ -307,8 +311,7 @@ Data *delta_serialize(const Delta *delta) {
     } else {
       memcpy(buf + pos, &delta->instructions[i].literal.length, sizeof(uint32_t));
       pos += sizeof(uint32_t);
-      memcpy(buf + pos, delta->instructions[i].literal.data,
+      memcpy(buf + pos, delta->instructions[i].literal.data, delta->instructions[i].literal.length);
-             delta->instructions[i].literal.length);
       pos += delta->instructions[i].literal.length;
     }
   }
@@ -316,15 +319,16 @@ Data *delta_serialize(const Delta *delta) {
   return data_create(buf, (size_t)total);
 }
 
-Delta *delta_deserialize(const Data *data) {
+Delta* delta_deserialize(const Data* data) {
   if (!data || data->size < sizeof(uint64_t) + sizeof(uint32_t))
     return NULL;
 
-  const uint8_t *buf = (const uint8_t *)data->data;
+  const uint8_t* buf = (const uint8_t*)data->data;
   size_t pos = 0;
 
-  Delta *delta = malloc(sizeof(Delta));
+  Delta* delta = malloc(sizeof(Delta));
-  if (!delta) return NULL;
+  if (!delta)
+    return NULL;
 
   memcpy(&delta->new_file_size, buf + pos, sizeof(uint64_t));
   pos += sizeof(uint64_t);
@@ -372,15 +376,24 @@ Delta *delta_deserialize(const Data *data) {
       delta->delta_size += sizeof(uint32_t) * 3;
     } else if (type == DELTA_OP_LITERAL) {
       if (pos + sizeof(uint32_t) > data->size) {
+        for (uint32_t k = 0; k < i; k++) {
+          if (delta->instructions[k].type == DELTA_INSTR_LITERAL)
+            free(delta->instructions[k].literal.data);
+        }
         free(delta->instructions);
         free(delta);
         return NULL;
       }
+      delta->instructions[i].type = DELTA_INSTR_LITERAL;
       memcpy(&delta->instructions[i].literal.length, buf + pos, sizeof(uint32_t));
       pos += sizeof(uint32_t);
 
       uint32_t lit_len = delta->instructions[i].literal.length;
       if (pos + lit_len > data->size) {
+        for (uint32_t k = 0; k < i; k++) {
+          if (delta->instructions[k].type == DELTA_INSTR_LITERAL)
+            free(delta->instructions[k].literal.data);
+        }
         free(delta->instructions);
         free(delta);
         return NULL;
@@ -408,21 +421,22 @@ Delta *delta_deserialize(const Data *data) {
   return delta;
 }
 
-void *delta_apply(const void *old_data, uint64_t old_size, const Delta *delta,
+void* delta_apply(const void* old_data, uint64_t old_size, const Delta* delta,
                   uint32_t block_size) {
-  if (!old_data || !delta) return NULL;
+  if (!old_data || !delta)
+    return NULL;
 
-  void *output = malloc((size_t)delta->new_file_size);
+  void* output = malloc((size_t)delta->new_file_size);
-  if (!output) return NULL;
+  if (!output)
+    return NULL;
 
-  uint8_t *out = (uint8_t *)output;
+  uint8_t* out = (uint8_t*)output;
-  uint8_t *old = (uint8_t *)old_data;
+  const uint8_t* old = (const uint8_t*)old_data;
   uint64_t out_pos = 0;
 
   for (uint32_t i = 0; i < delta->instruction_count; i++) {
     if (delta->instructions[i].type == DELTA_INSTR_BLOCK_MATCH) {
-      uint64_t src_offset = (uint64_t)delta->instructions[i].match.block_index *
+      uint64_t src_offset = (uint64_t)delta->instructions[i].match.block_index * block_size;
-                             block_size;
       src_offset += delta->instructions[i].match.block_offset;
       uint32_t len = delta->instructions[i].match.length;
 
@@ -447,8 +461,9 @@ void *delta_apply(const void *old_data, uint64_t old_size, const Delta *delta,
   return output;
 }
 
-void delta_destroy(Delta *delta) {
+void delta_destroy(Delta* delta) {
-  if (!delta) return;
+  if (!delta)
+    return;
   for (uint32_t i = 0; i < delta->instruction_count; i++) {
     if (delta->instructions[i].type == DELTA_INSTR_LITERAL)
       free(delta->instructions[i].literal.data);
@@ -469,8 +484,9 @@ bool delta_should_attempt(uint64_t old_size, uint64_t new_size, uint64_t max_fil
   return true;
 }
 
-bool delta_is_worthwhile(const Delta *delta, uint64_t new_file_size) {
+bool delta_is_worthwhile(const Delta* delta, uint64_t new_file_size) {
-  if (!delta || delta->instruction_count == 0) return false;
+  if (!delta || delta->instruction_count == 0)
+    return false;
 
   bool has_match = false;
   for (uint32_t i = 0; i < delta->instruction_count; i++) {
@@ -479,7 +495,8 @@ bool delta_is_worthwhile(const Delta *delta, uint64_t new_file_size) {
       break;
     }
   }
-  if (!has_match) return false;
+  if (!has_match)
+    return false;
 
   double ratio = (double)delta->delta_size / (double)new_file_size;
   return ratio < DELTA_FALLBACK_RATIO;

src/shared/delta.h

@@ -27,13 +27,10 @@ typedef struct {
   uint64_t file_size;
   uint32_t block_size;
   uint32_t block_count;
-  DeltaBlockSig *blocks;
+  DeltaBlockSig* blocks;
 } DeltaSignature;
 
-typedef enum {
+typedef enum { DELTA_INSTR_BLOCK_MATCH = 0x01, DELTA_INSTR_LITERAL = 0x02 } DeltaInstrType;
-  DELTA_INSTR_BLOCK_MATCH = 0x01,
-  DELTA_INSTR_LITERAL     = 0x02
-} DeltaInstrType;
 
 typedef struct {
   DeltaInstrType type;
@@ -44,7 +41,7 @@ typedef struct {
       uint32_t length;
     } match;
     struct {
-      uint8_t *data;
+      uint8_t* data;
       uint32_t length;
     } literal;
   };
@@ -53,29 +50,27 @@ typedef struct {
 typedef struct {
   uint64_t new_file_size;
   uint32_t instruction_count;
-  DeltaInstruction *instructions;
+  DeltaInstruction* instructions;
   uint64_t delta_size;
 } Delta;
 
-DeltaSignature *delta_signature_create(const void *old_file_data,
+DeltaSignature* delta_signature_create(const void* old_file_data, uint64_t old_file_size,
-                                        uint64_t old_file_size,
                                        uint32_t block_size);
-Data *delta_signature_serialize(const DeltaSignature *sig);
+Data* delta_signature_serialize(const DeltaSignature* sig);
-DeltaSignature *delta_signature_deserialize(const Data *data);
+DeltaSignature* delta_signature_deserialize(const Data* data);
-void delta_signature_destroy(DeltaSignature *sig);
+void delta_signature_destroy(DeltaSignature* sig);
 
-Delta *delta_compute(const void *new_file_data, uint64_t new_file_size,
+Delta* delta_compute(const void* new_file_data, uint64_t new_file_size, const DeltaSignature* sig,
-                      const DeltaSignature *sig, uint32_t block_size);
-Data *delta_serialize(const Delta *delta);
-Delta *delta_deserialize(const Data *data);
-void *delta_apply(const void *old_data, uint64_t old_size, const Delta *delta,
                      uint32_t block_size);
-void delta_destroy(Delta *delta);
+Data* delta_serialize(const Delta* delta);
+Delta* delta_deserialize(const Data* data);
+void* delta_apply(const void* old_data, uint64_t old_size, const Delta* delta, uint32_t block_size);
+void delta_destroy(Delta* delta);
 
 bool delta_should_attempt(uint64_t old_size, uint64_t new_size, uint64_t max_file_size);
-bool delta_is_worthwhile(const Delta *delta, uint64_t new_file_size);
+bool delta_is_worthwhile(const Delta* delta, uint64_t new_file_size);
 
-uint32_t delta_adler32(const void *data, uint32_t len);
+uint32_t delta_adler32(const void* data, uint32_t len);
-uint32_t delta_xxhash32(const void *data, uint32_t len);
+uint32_t delta_xxhash32(const void* data, uint32_t len);
 
 #endif

src/shared/file.c

@@ -20,15 +20,15 @@
 #include "protocol.h"
 #include "utils.h"
 
-File *file_create(const char *path) {
+File* file_create(const char* path) {
-  File *file = (File *)malloc(sizeof(File));
+  File* file = (File*)malloc(sizeof(File));
   if (file == NULL) {
     perror("ERROR: Could not allocate memory for file struct");
     return NULL;
   }
 
   int path_len = strlen(path);
-  file->path = (char *)malloc(path_len + 1);
+  file->path = (char*)malloc(path_len + 1);
   if (file->path == NULL) {
     free(file);
     return NULL;
@@ -45,10 +45,10 @@ File *file_create(const char *path) {
   return file;
 }
 
-void file_destroy(void *item) {
+void file_destroy(void* item) {
   if (item == NULL)
     return;
-  File *file = (File *)item;
+  File* file = (File*)item;
   data_destroy(file->data);
   file->data = NULL;
   file_metadata_destroy(file->metadata);
@@ -58,8 +58,8 @@ void file_destroy(void *item) {
   free(file);
 }
 
-FileMetadata *file_metadata_create(struct stat *stats) {
+FileMetadata* file_metadata_create(const struct stat* stats) {
-  FileMetadata *m = malloc(sizeof(FileMetadata));
+  FileMetadata* m = malloc(sizeof(FileMetadata));
   if (m == NULL) {
     perror("ERROR: Could not allocate memory for file metadata");
     return NULL;
@@ -76,12 +76,13 @@ FileMetadata *file_metadata_create(struct stat *stats) {
   return m;
 }
 
-void file_metadata_destroy(void *metadata) {
+void file_metadata_destroy(void* metadata) {
   free(metadata);
 }
 
-bool file_load_data(File *file) {
+bool file_load_data(File* file) {
-  if (file == NULL) return false;
+  if (file == NULL)
+    return false;
   if (file->data->data == NULL) {
     file->data->data = malloc(file->data->size);
     if (file->data->data == NULL) {
@@ -97,9 +98,10 @@ bool file_load_data(File *file) {
   return true;
 }
 
-bool file_send_single_calls(File *file, int file_descriptor, bool use_metadata, int compression_level, bool send_path) {
+bool file_send_single_calls(File* file, int file_descriptor, bool use_metadata,
-  Data *data_to_send = file->data;
+                            int compression_level, bool send_path) {
-  Data *compressed_data = NULL;
+  const Data* data_to_send = file->data;
+  Data* compressed_data = NULL;
   if (compression_level > 0) {
     compressed_data = data_compress(file->data, compression_level);
     if (compressed_data == NULL) {
@@ -124,42 +126,61 @@ bool file_send_single_calls(File *file, int file_descriptor, bool use_metadata,
   return true;
 }
 
-bool file_save_to_disk(const char *root_directory, File *file) {
+bool file_save_to_disk(const char* root_directory, File* file) {
-  char *disk_path = path_cat((char *)root_directory, file->path);
+  char* disk_path = path_cat((char*)root_directory, file->path);
-  if (disk_path == NULL) return false;
+  if (disk_path == NULL)
+    return false;
   bool ok = to_disk(disk_path, file->data->data, file->data->size);
-  if (ok) file_restore_metadata(disk_path, file->metadata);
+  if (ok)
+    file_restore_metadata(disk_path, file->metadata);
   free(disk_path);
   return ok;
 }
 
-static void *old_data_from_path(const char *full_path, unsigned long long old_size) {
+static void* old_data_from_path(const char* full_path, unsigned long long old_size) {
-  void *data = malloc((size_t)old_size);
+  void* data = malloc((size_t)old_size);
-  if (!data) return NULL;
+  if (!data)
-  FILE *fp = fopen(full_path, "rb");
+    return NULL;
-  if (!fp) { free(data); return NULL; }
+  FILE* fp = fopen(full_path, "rb");
+  if (!fp) {
+    free(data);
+    return NULL;
+  }
   size_t nread = fread(data, 1, (size_t)old_size, fp);
   fclose(fp);
-  if (nread != (size_t)old_size) { free(data); return NULL; }
+  if (nread != (size_t)old_size) {
+    free(data);
+    return NULL;
+  }
   return data;
 }
 
-static File *receive_delta_file(int fd, Config *config, const char *check_path,
+static File* receive_delta_file(int fd, const Config* config, const char* check_path,
-                                 void *old_data, unsigned long long old_size) {
+                                void* old_data, unsigned long long old_size) {
-  if (!old_data) return NULL;
+  if (!old_data)
+    return NULL;
 
-  DeltaSignature *sig = delta_signature_create(old_data, old_size,
+  DeltaSignature* sig = delta_signature_create(old_data, old_size, config->delta_block_size);
-                                                config->delta_block_size);
+  if (!sig) {
-  if (!sig) { free(old_data); return NULL; }
+    free(old_data);
+    return NULL;
+  }
 
-  Data *sig_data = delta_signature_serialize(sig);
+  Data* sig_data = delta_signature_serialize(sig);
-  if (!sig_data) { delta_signature_destroy(sig); free(old_data); return NULL; }
+  if (!sig_data) {
+    delta_signature_destroy(sig);
+    free(old_data);
+    return NULL;
+  }
 
-  bool sig_sent = send_status(fd, STATUS_DELTA_SIGNATURE) &&
+  bool sig_sent = send_status(fd, STATUS_DELTA_SIGNATURE) && send_data(fd, sig_data);
-                  send_data(fd, sig_data);
   data_destroy(sig_data);
 
-  if (!sig_sent) { delta_signature_destroy(sig); free(old_data); return NULL; }
+  if (!sig_sent) {
+    delta_signature_destroy(sig);
+    free(old_data);
+    return NULL;
+  }
 
   Status resp;
   if (!receive_status(fd, &resp)) {
@@ -169,7 +190,7 @@ static File *receive_delta_file(int fd, Config *config, const char *check_path,
   }
 
   if (resp == STATUS_DELTA_DATA) {
-    Data *delta_data = receive_data(fd);
+    Data* delta_data = receive_data(fd);
     if (!delta_data) {
       delta_signature_destroy(sig);
       free(old_data);
@@ -177,7 +198,7 @@ static File *receive_delta_file(int fd, Config *config, const char *check_path,
       return NULL;
     }
 
-    Data *raw_delta = delta_data;
+    Data* raw_delta = delta_data;
     if (config->use_compression) {
       raw_delta = data_decompress(delta_data);
       data_destroy(delta_data);
@@ -189,7 +210,7 @@ static File *receive_delta_file(int fd, Config *config, const char *check_path,
       }
     }
 
-    Delta *delta = delta_deserialize(raw_delta);
+    Delta* delta = delta_deserialize(raw_delta);
     data_destroy(raw_delta);
     if (!delta) {
       free(old_data);
@@ -198,8 +219,7 @@ static File *receive_delta_file(int fd, Config *config, const char *check_path,
       return NULL;
     }
 
-    void *new_data = delta_apply(old_data, old_size, delta,
+    void* new_data = delta_apply(old_data, old_size, delta, config->delta_block_size);
-                                  config->delta_block_size);
     uint64_t new_size = delta->new_file_size;
     delta_destroy(delta);
 
@@ -210,7 +230,7 @@ static File *receive_delta_file(int fd, Config *config, const char *check_path,
       return NULL;
     }
 
-    File *file = file_create(check_path);
+    File* file = file_create(check_path);
     if (!file) {
       free(new_data);
       free(old_data);
@@ -244,16 +264,23 @@ static File *receive_delta_file(int fd, Config *config, const char *check_path,
     delta_signature_destroy(sig);
     free(old_data);
 
-    File *file = file_create(check_path);
+    File* file = file_create(check_path);
-    if (!file) { send_status(fd, STATUS_ERROR); return NULL; }
+    if (!file) {
+      send_status(fd, STATUS_ERROR);
+      return NULL;
+    }
 
     if (config->use_metadata) {
       int meta_ok = 1;
       file->metadata = metadata_receive(fd, &meta_ok);
-      if (!meta_ok) { file_destroy(file); send_status(fd, STATUS_ERROR); return NULL; }
+      if (!meta_ok) {
+        file_destroy(file);
+        send_status(fd, STATUS_ERROR);
+        return NULL;
+      }
     }
 
-    Data *file_data = receive_data(fd);
+    Data* file_data = receive_data(fd);
     if (file_data == NULL) {
       file_destroy(file);
       send_status(fd, STATUS_ERROR);
@@ -261,9 +288,13 @@ static File *receive_delta_file(int fd, Config *config, const char *check_path,
     }
 
     if (config->use_compression) {
-      Data *uncompressed = data_decompress(file_data);
+      Data* uncompressed = data_decompress(file_data);
       data_destroy(file_data);
-      if (uncompressed == NULL) { file_destroy(file); send_status(fd, STATUS_ERROR); return NULL; }
+      if (uncompressed == NULL) {
+        file_destroy(file);
+        send_status(fd, STATUS_ERROR);
+        return NULL;
+      }
       file_data = uncompressed;
     }
 
@@ -277,10 +308,13 @@ static File *receive_delta_file(int fd, Config *config, const char *check_path,
   return NULL;
 }
 
-File *receive_incremental_check(int fd, Config *config, bool *skipped) {
+File* receive_incremental_check(int fd, const Config* config, bool* skipped) {
   *skipped = false;
-  char *check_path = receive_str(fd);
+  char* check_path = receive_str(fd);
-  if (check_path == NULL) { send_status(fd, STATUS_ERROR); return NULL; }
+  if (check_path == NULL) {
+    send_status(fd, STATUS_ERROR);
+    return NULL;
+  }
 
   unsigned long long check_size;
   long long check_mtime;
@@ -291,17 +325,20 @@ File *receive_incremental_check(int fd, Config *config, bool *skipped) {
     return NULL;
   }
 
-  char *full_path = path_cat(config->receive_root_directory, check_path);
+  char* full_path = path_cat(config->receive_root_directory, check_path);
   struct stat st;
   bool has_old_file = (full_path && stat(full_path, &st) == 0);
   unsigned long long old_size = has_old_file ? (unsigned long long)st.st_size : 0;
 
-  bool match = has_old_file &&
+  bool match = has_old_file && (unsigned long long)st.st_size == check_size &&
-               (unsigned long long)st.st_size == check_size &&
                (long long)st.st_mtime == check_mtime;
 
   if (match) {
-    if (!send_status(fd, STATUS_OK)) { free(full_path); free(check_path); return NULL; }
+    if (!send_status(fd, STATUS_OK)) {
+      free(full_path);
+      free(check_path);
+      return NULL;
+    }
     free(full_path);
     free(check_path);
     *skipped = true;
@@ -312,9 +349,8 @@ File *receive_incremental_check(int fd, Config *config, bool *skipped) {
                    delta_should_attempt(old_size, check_size, config->delta_max_file_size);
 
   if (try_delta) {
-    void *old_data = old_data_from_path(full_path, old_size);
+    void* old_data = old_data_from_path(full_path, old_size);
-    File *delta_file = receive_delta_file(fd, config, check_path,
+    File* delta_file = receive_delta_file(fd, config, check_path, old_data, old_size);
-                                           old_data, old_size);
     if (delta_file) {
       free(full_path);
       free(check_path);
@@ -331,18 +367,25 @@ File *receive_incremental_check(int fd, Config *config, bool *skipped) {
     }
   }
 
-  File *file = file_create(check_path);
+  File* file = file_create(check_path);
   free(check_path);
   free(full_path);
-  if (file == NULL) { send_status(fd, STATUS_ERROR); return NULL; }
+  if (file == NULL) {
+    send_status(fd, STATUS_ERROR);
+    return NULL;
+  }
 
   if (config->use_metadata) {
     int meta_ok = 1;
     file->metadata = metadata_receive(fd, &meta_ok);
-    if (!meta_ok) { file_destroy(file); send_status(fd, STATUS_ERROR); return NULL; }
+    if (!meta_ok) {
+      file_destroy(file);
+      send_status(fd, STATUS_ERROR);
+      return NULL;
+    }
   }
 
-  Data *file_data = receive_data(fd);
+  Data* file_data = receive_data(fd);
   if (file_data == NULL) {
     file_destroy(file);
     send_status(fd, STATUS_ERROR);
@@ -350,9 +393,13 @@ File *receive_incremental_check(int fd, Config *config, bool *skipped) {
   }
 
   if (config->use_compression) {
-    Data *uncompressed = data_decompress(file_data);
+    Data* uncompressed = data_decompress(file_data);
     data_destroy(file_data);
-    if (uncompressed == NULL) { file_destroy(file); send_status(fd, STATUS_ERROR); return NULL; }
+    if (uncompressed == NULL) {
+      file_destroy(file);
+      send_status(fd, STATUS_ERROR);
+      return NULL;
+    }
     file_data = uncompressed;
   }
 
@@ -361,15 +408,15 @@ File *receive_incremental_check(int fd, Config *config, bool *skipped) {
   return file;
 }
 
-bool to_disk(const char *path, const void *data, unsigned long long data_size) {
+bool to_disk(const char* path, const void* data, unsigned long long data_size) {
-  char *directory = str_dup(path);
+  char* directory = str_dup(path);
-  char *dir_to_free = directory;
+  char* dir_to_free = directory;
   directory = dirname(directory);
   if (!mkdir_r(directory)) {
     free(dir_to_free);
     return false;
   }
-  FILE *file_pointer = fopen(path, "wb");
+  FILE* file_pointer = fopen(path, "wb");
   if (file_pointer == NULL) {
     perror("Could not open File");
     free(dir_to_free);
@@ -386,10 +433,13 @@ bool to_disk(const char *path, const void *data, unsigned long long data_size) {
   return true;
 }
 
-bool file_send_sendfile(File *file, int file_descriptor, bool use_metadata, int compression_level, bool send_path) {
+bool file_send_sendfile(File* file, int file_descriptor, bool use_metadata, int compression_level,
+                        bool send_path) {
   (void)compression_level;
-  if (send_path && !send_str(file_descriptor, file->path)) return false;
+  if (send_path && !send_str(file_descriptor, file->path))
-  if (use_metadata && !metadata_send(file_descriptor, file->metadata)) return false;
+    return false;
+  if (use_metadata && !metadata_send(file_descriptor, file->metadata))
+    return false;
 
   int fd = open(file->path, O_RDONLY);
   if (fd == -1) {
@@ -404,7 +454,7 @@ bool file_send_sendfile(File *file, int file_descriptor, bool use_metadata, int
   }
 
   off_t offset = 0;
-  while (offset < file_size) {
+  while ((unsigned long long)offset < file_size) {
     ssize_t sent = sendfile(file_descriptor, fd, &offset, file_size - offset);
     if (sent == -1) {
       perror("sendfile failed");
@@ -417,24 +467,29 @@ bool file_send_sendfile(File *file, int file_descriptor, bool use_metadata, int
   return true;
 }
 
-File *file_receive(Config *config, int file_descriptor) {
+File* file_receive(const Config* config, int file_descriptor) {
-  char *path = receive_str(file_descriptor);
+  char* path = receive_str(file_descriptor);
-  if (path == NULL) return NULL;
+  if (path == NULL)
-  File *file = file_create(path);
+    return NULL;
+  File* file = file_create(path);
   free(path);
-  if (file == NULL) return NULL;
+  if (file == NULL)
+    return NULL;
   if (config->use_metadata) {
     int meta_ok = 1;
     file->metadata = metadata_receive(file_descriptor, &meta_ok);
-    if (!meta_ok) { file_destroy(file); return NULL; }
+    if (!meta_ok) {
+      file_destroy(file);
+      return NULL;
     }
-  Data *file_data = receive_data(file_descriptor);
+  }
+  Data* file_data = receive_data(file_descriptor);
   if (file_data == NULL) {
     file_destroy(file);
     return NULL;
   }
   if (config->use_compression) {
-    Data *file_data_uncompressed = data_decompress(file_data);
+    Data* file_data_uncompressed = data_decompress(file_data);
     data_destroy(file_data);
     if (file_data_uncompressed == NULL) {
       file_destroy(file);
@@ -447,14 +502,13 @@ File *file_receive(Config *config, int file_descriptor) {
   return file;
 }
 
-size_t file_content_to_buffer(File *file) {
+size_t file_content_to_buffer(File* file) {
-  FILE *file_pointer = fopen(file->path, "rb");
+  FILE* file_pointer = fopen(file->path, "rb");
   if (file_pointer == NULL) {
     perror("Could not open the file!");
     return 0;
   }
-  size_t bytes_read =
+  size_t bytes_read = fread(file->data->data, 1, file->data->size, file_pointer);
-      fread(file->data->data, 1, file->data->size, file_pointer);
   if (bytes_read != (size_t)file->data->size) {
     fclose(file_pointer);
     perror("Read unexpected number of bytes from File!");
@@ -464,21 +518,22 @@ size_t file_content_to_buffer(File *file) {
   return bytes_read;
 }
 
-int receive_manifest(int fd, Config *config, int *next_status) {
+int receive_manifest(int fd, const Config* config, int* next_status) {
   int count;
-  if (!receive_int(fd, &count)) return -1;
+  if (!receive_int(fd, &count))
-  ArrayList *manifest = array_list_create(free);
+    return -1;
+  ArrayList* manifest = array_list_create(free);
   if (manifest) {
     for (int i = 0; i < count; i++) {
-      char *s = receive_str(fd);
+      char* s = receive_str(fd);
-      if (s) array_list_add(manifest, s);
+      if (s)
+        array_list_add(manifest, s);
     }
     fprintf(stderr, "Deleting files not in manifest...\n");
     delete_extras(config->receive_root_directory, manifest);
     array_list_delete(manifest);
   }
-  if (!receive_status(fd, next_status)) return -1;
+  if (!receive_status(fd, next_status))
+    return -1;
   return 0;
 }
-
-

src/shared/file.h

@@ -15,23 +15,25 @@ typedef struct {
 } FileMetadata;
 
 typedef struct {
-  char *path;
+  char* path;
-  Data *data;
+  Data* data;
-  FileMetadata *metadata;
+  FileMetadata* metadata;
 } File;
 
-File *file_create(const char *path);
+File* file_create(const char* path);
-void file_destroy(void *item);
+void file_destroy(void* item);
-bool file_load_data(File *file);
+bool file_load_data(File* file);
-File *file_receive(Config *config, int file_descriptor);
+File* file_receive(const Config* config, int file_descriptor);
-bool file_send_single_calls(File *file, int file_descriptor, bool use_metadata, int compression_level, bool send_path);
+bool file_send_single_calls(File* file, int file_descriptor, bool use_metadata,
-bool file_send_sendfile(File *file, int file_descriptor, bool use_metadata, int compression_level, bool send_path);
+                            int compression_level, bool send_path);
-size_t file_content_to_buffer(File *file);
+bool file_send_sendfile(File* file, int file_descriptor, bool use_metadata, int compression_level,
-FileMetadata *file_metadata_create(struct stat *stats);
+                        bool send_path);
-void file_metadata_destroy(void *metadata);
+size_t file_content_to_buffer(File* file);
-bool to_disk(const char *path, const void *data, unsigned long long data_size);
+FileMetadata* file_metadata_create(const struct stat* stats);
-bool file_save_to_disk(const char *root_directory, File *file);
+void file_metadata_destroy(void* metadata);
-File *receive_incremental_check(int fd, Config *config, bool *skipped);
+bool to_disk(const char* path, const void* data, unsigned long long data_size);
-int receive_manifest(int fd, Config *config, int *next_status);
+bool file_save_to_disk(const char* root_directory, File* file);
+File* receive_incremental_check(int fd, const Config* config, bool* skipped);
+int receive_manifest(int fd, const Config* config, int* next_status);
 
 #endif

src/shared/log.c

@@ -3,22 +3,21 @@
 #include <stdio.h>
 #include <time.h>
 
-static const char *log_level_strings[] = {"DEBUG", "INFO", "WARN", "ERROR"};
+static const char* log_level_strings[] = {"DEBUG", "INFO", "WARN", "ERROR"};
 static LogLevel current_log_level = LOG_LEVEL_WARNING;
 
 void set_log_level(LogLevel level) {
   current_log_level = level;
 }
 
-void log_message(LogLevel log_level, char *format, ...) {
+void log_message(LogLevel log_level, char* format, ...) {
   if (log_level < current_log_level)
     return;
   time_t now = time(NULL);
-  struct tm *t = localtime(&now);
+  const struct tm* t = localtime(&now);
 
-  fprintf(stderr, "%04d-%02d-%02d %02d:%02d:%02d [%s]: ", t->tm_year + 1900,
+  fprintf(stderr, "%04d-%02d-%02d %02d:%02d:%02d [%s]: ", t->tm_year + 1900, t->tm_mon + 1,
-          t->tm_mon + 1, t->tm_mday, t->tm_hour, t->tm_min, t->tm_sec,
+          t->tm_mday, t->tm_hour, t->tm_min, t->tm_sec, log_level_strings[log_level]);
-          log_level_strings[log_level]);
 
   va_list args;
   va_start(args, format);

src/shared/log.h

@@ -1,14 +1,9 @@
 #ifndef LOG_H
 #define LOG_H
 
-typedef enum {
+typedef enum { LOG_LEVEL_DEBUG, LOG_LEVEL_INFO, LOG_LEVEL_WARNING, LOG_LEVEL_ERROR } LogLevel;
-  LOG_LEVEL_DEBUG,
-  LOG_LEVEL_INFO,
-  LOG_LEVEL_WARNING,
-  LOG_LEVEL_ERROR
-} LogLevel;
 
-void log_message(LogLevel log_level, char *message, ...);
+void log_message(LogLevel log_level, char* message, ...);
 void set_log_level(LogLevel level);
 
 #endif

src/shared/metadata.c

@@ -8,35 +8,45 @@
 #include <time.h>
 #include <unistd.h>
 
-void metadata_to_buf(char **buf, FileMetadata *m) {
+void metadata_to_buf(char** buf, const FileMetadata* m) {
   int present = (m != NULL) ? 1 : 0;
   memcpy(*buf, &present, sizeof(int));
   *buf += sizeof(int);
   if (m == NULL)
     return;
-  memcpy(*buf, &m->mode, sizeof(mode_t));        *buf += sizeof(mode_t);
+  memcpy(*buf, &m->mode, sizeof(mode_t));
-  memcpy(*buf, &m->uid, sizeof(uid_t));          *buf += sizeof(uid_t);
+  *buf += sizeof(mode_t);
-  memcpy(*buf, &m->gid, sizeof(gid_t));          *buf += sizeof(gid_t);
+  memcpy(*buf, &m->uid, sizeof(uid_t));
-  memcpy(*buf, &m->mtime_sec, sizeof(time_t));   *buf += sizeof(time_t);
+  *buf += sizeof(uid_t);
-  memcpy(*buf, &m->mtime_nsec, sizeof(long));    *buf += sizeof(long);
+  memcpy(*buf, &m->gid, sizeof(gid_t));
+  *buf += sizeof(gid_t);
+  memcpy(*buf, &m->mtime_sec, sizeof(time_t));
+  *buf += sizeof(time_t);
+  memcpy(*buf, &m->mtime_nsec, sizeof(long));
+  *buf += sizeof(long);
 }
 
-FileMetadata *metadata_from_buf(char **buf) {
+FileMetadata* metadata_from_buf(char** buf) {
   int present;
   memcpy(&present, *buf, sizeof(int));
   *buf += sizeof(int);
   if (!present)
     return NULL;
-  FileMetadata *m = malloc(sizeof(FileMetadata));
+  FileMetadata* m = malloc(sizeof(FileMetadata));
-  memcpy(&m->mode, *buf, sizeof(mode_t));        *buf += sizeof(mode_t);
+  memcpy(&m->mode, *buf, sizeof(mode_t));
-  memcpy(&m->uid, *buf, sizeof(uid_t));          *buf += sizeof(uid_t);
+  *buf += sizeof(mode_t);
-  memcpy(&m->gid, *buf, sizeof(gid_t));          *buf += sizeof(gid_t);
+  memcpy(&m->uid, *buf, sizeof(uid_t));
-  memcpy(&m->mtime_sec, *buf, sizeof(time_t));   *buf += sizeof(time_t);
+  *buf += sizeof(uid_t);
-  memcpy(&m->mtime_nsec, *buf, sizeof(long));    *buf += sizeof(long);
+  memcpy(&m->gid, *buf, sizeof(gid_t));
+  *buf += sizeof(gid_t);
+  memcpy(&m->mtime_sec, *buf, sizeof(time_t));
+  *buf += sizeof(time_t);
+  memcpy(&m->mtime_nsec, *buf, sizeof(long));
+  *buf += sizeof(long);
   return m;
 }
 
-bool metadata_send(int file_descriptor, FileMetadata *m) {
+bool metadata_send(int file_descriptor, FileMetadata* m) {
   if (m == NULL) {
     int zero = 0;
     return send_n_data(file_descriptor, &zero, sizeof(int));
@@ -50,32 +60,40 @@ bool metadata_send(int file_descriptor, FileMetadata *m) {
          send_n_data(file_descriptor, &m->mtime_nsec, sizeof(long));
 }
 
-FileMetadata *metadata_receive(int file_descriptor, int *ok) {
+FileMetadata* metadata_receive(int file_descriptor, int* ok) {
   int present;
   if (!receive_n_data(file_descriptor, &present, sizeof(int))) {
-    if (ok) *ok = 0;
+    if (ok)
+      *ok = 0;
     return NULL;
   }
   if (!present) {
-    if (ok) *ok = 1;
+    if (ok)
+      *ok = 1;
+    return NULL;
+  }
+  FileMetadata* m = malloc(sizeof(FileMetadata));
+  if (m == NULL) {
+    if (ok)
+      *ok = 0;
     return NULL;
   }
-  FileMetadata *m = malloc(sizeof(FileMetadata));
-  if (m == NULL) { if (ok) *ok = 0; return NULL; }
   if (!receive_n_data(file_descriptor, &m->mode, sizeof(mode_t)) ||
       !receive_n_data(file_descriptor, &m->uid, sizeof(uid_t)) ||
       !receive_n_data(file_descriptor, &m->gid, sizeof(gid_t)) ||
       !receive_n_data(file_descriptor, &m->mtime_sec, sizeof(time_t)) ||
       !receive_n_data(file_descriptor, &m->mtime_nsec, sizeof(long))) {
     free(m);
-    if (ok) *ok = 0;
+    if (ok)
+      *ok = 0;
     return NULL;
   }
-  if (ok) *ok = 1;
+  if (ok)
+    *ok = 1;
   return m;
 }
 
-void file_restore_metadata(const char *path, FileMetadata *metadata) {
+void file_restore_metadata(const char* path, FileMetadata* metadata) {
   if (metadata == NULL)
     return;
   chmod(path, metadata->mode & 07777);

src/shared/metadata.h

@@ -5,12 +5,13 @@
 #include <stdbool.h>
 #include <sys/stat.h>
 
-#define FILE_METADATA_WIRE_SIZE (sizeof(mode_t) + sizeof(uid_t) + sizeof(gid_t) + sizeof(time_t) + sizeof(long))
+#define FILE_METADATA_WIRE_SIZE                                                                    \
+  (sizeof(mode_t) + sizeof(uid_t) + sizeof(gid_t) + sizeof(time_t) + sizeof(long))
 
-void metadata_to_buf(char **buf, FileMetadata *m);
+void metadata_to_buf(char** buf, const FileMetadata* m);
-FileMetadata *metadata_from_buf(char **buf);
+FileMetadata* metadata_from_buf(char** buf);
-bool metadata_send(int file_descriptor, FileMetadata *m);
+bool metadata_send(int file_descriptor, FileMetadata* m);
-FileMetadata *metadata_receive(int file_descriptor, int *ok);
+FileMetadata* metadata_receive(int file_descriptor, int* ok);
-void file_restore_metadata(const char *path, FileMetadata *metadata);
+void file_restore_metadata(const char* path, FileMetadata* metadata);
 
 #endif

src/shared/multiprocessing.c

@@ -13,11 +13,11 @@
 #include <string.h>
 #include <threads.h>
 
-PipelineContextSender *pipeline_context_sender_create(Config *config,
+PipelineContextSender* pipeline_context_sender_create(Config* config, Queue* queue_scanner,
-                                                      Queue *queue_scanner,
+                                                      Queue* queue_loader) {
-                                                      Queue *queue_loader) {
+  PipelineContextSender* context = malloc(sizeof(PipelineContextSender));
-  PipelineContextSender *context = malloc(sizeof(PipelineContextSender));
+  if (context == NULL)
-  if (context == NULL) return NULL;
+    return NULL;
   context->config = config;
   context->queue_scanner = queue_scanner;
   context->queue_loader = queue_loader;
@@ -37,7 +37,7 @@ PipelineContextSender *pipeline_context_sender_create(Config *config,
   return context;
 }
 
-void pipeline_context_sender_destroy(PipelineContextSender *context) {
+void pipeline_context_sender_destroy(PipelineContextSender* context) {
   if (context->manifest) {
     array_list_delete(context->manifest);
   }
@@ -53,11 +53,11 @@ void pipeline_context_sender_destroy(PipelineContextSender *context) {
   free(context);
 }
 
-PipelineContextReceiver *pipeline_context_receiver_create(Config *config,
+PipelineContextReceiver* pipeline_context_receiver_create(Config* config, Queue* queue,
-                                                          Queue *queue,
                                                           int file_descriptor) {
-  PipelineContextReceiver *context = malloc(sizeof(PipelineContextReceiver));
+  PipelineContextReceiver* context = malloc(sizeof(PipelineContextReceiver));
-  if (context == NULL) return NULL;
+  if (context == NULL)
+    return NULL;
   context->config = config;
   context->queue = queue;
   context->file_descriptor = file_descriptor;
@@ -72,7 +72,7 @@ PipelineContextReceiver *pipeline_context_receiver_create(Config *config,
   return context;
 }
 
-void pipeline_context_receiver_destroy(PipelineContextReceiver *context) {
+void pipeline_context_receiver_destroy(PipelineContextReceiver* context) {
   config_delete(context->config);
   queue_destroy(context->queue);
   mtx_destroy(&context->mutex);
@@ -81,57 +81,57 @@ void pipeline_context_receiver_destroy(PipelineContextReceiver *context) {
   free(context);
 }
 
-static void receive_chunk_enqueue(int file_descriptor,
+static void receive_chunk_enqueue(int file_descriptor, PipelineContextReceiver* context) {
-                                  PipelineContextReceiver *context) {
+  Chunk* chunk = receive_chunk_data(file_descriptor, context->config);
-  Chunk *chunk = receive_chunk_data(file_descriptor, context->config);
+  if (chunk == NULL)
-  if (chunk == NULL) return;
+    return;
 
   for (int i = 0; i < chunk->element_count; i++) {
-    File *file = chunk->items[i];
+    File* file = chunk->items[i];
     chunk->items[i] = NULL;
     queue_enqueue_multithreaded(context->queue, file, &context->mutex,
-                                &context->condition_not_empty,
+                                &context->condition_not_empty, &context->condition_not_full);
-                                &context->condition_not_full);
   }
   chunk_destroy(chunk);
 }
 
-int receive_thread(void *pipeline_context) {
+int receive_thread(void* pipeline_context) {
-  PipelineContextReceiver *context =
+  PipelineContextReceiver* context = (PipelineContextReceiver*)pipeline_context;
-      (PipelineContextReceiver *)pipeline_context;
   mtx_lock(&context->mutex);
   int file_descriptor = context->file_descriptor;
-  Config *config = context->config;
+  const Config* config = context->config;
   mtx_unlock(&context->mutex);
 
   Status status;
-  if (!receive_status(file_descriptor, &status)) return thrd_error;
+  if (!receive_status(file_descriptor, &status))
+    return thrd_error;
   while (status == STATUS_NEXT || status == STATUS_CHUNK || status == STATUS_CHECK) {
     if (status == STATUS_CHECK) {
       bool skipped;
-      File *file = receive_incremental_check(file_descriptor, config, &skipped);
+      File* file = receive_incremental_check(file_descriptor, config, &skipped);
       if (!skipped) {
-        if (file == NULL) return thrd_error;
+        if (file == NULL)
+          return thrd_error;
         queue_enqueue_multithreaded(context->queue, file, &context->mutex,
-                                    &context->condition_not_empty,
+                                    &context->condition_not_empty, &context->condition_not_full);
-                                    &context->condition_not_full);
       }
     } else if (status == STATUS_CHUNK) {
       receive_chunk_enqueue(file_descriptor, context);
     } else {
-      File *file = file_receive(config, file_descriptor);
+      File* file = file_receive(config, file_descriptor);
       if (file) {
         queue_enqueue_multithreaded(context->queue, file, &context->mutex,
-                                    &context->condition_not_empty,
+                                    &context->condition_not_empty, &context->condition_not_full);
-                                    &context->condition_not_full);
       } else {
         log_message(LOG_LEVEL_ERROR, "Failed to receive file");
       }
     }
-    if (!receive_status(file_descriptor, &status)) return thrd_error;
+    if (!receive_status(file_descriptor, &status))
+      return thrd_error;
   }
   if (status == STATUS_MANIFEST) {
-    if (receive_manifest(file_descriptor, config, &status) != 0) return thrd_error;
+    if (receive_manifest(file_descriptor, config, &status) != 0)
+      return thrd_error;
   }
   mtx_lock(&context->mutex);
   context->receiver_done = true;
@@ -140,17 +140,16 @@ int receive_thread(void *pipeline_context) {
   return thrd_success;
 }
 
-int write_thread(void *pipeline_context) {
+int write_thread(void* pipeline_context) {
-  PipelineContextReceiver *context =
+  PipelineContextReceiver* context = (PipelineContextReceiver*)pipeline_context;
-      (PipelineContextReceiver *)pipeline_context;
   mtx_lock(&context->mutex);
   bool save_to_disk = context->config->save_to_disk;
-  char *root_directory = str_dup(context->config->receive_root_directory);
+  char* root_directory = str_dup(context->config->receive_root_directory);
   mtx_unlock(&context->mutex);
 
   while (true) {
-    File *file = queue_dequeue_multithreaded(
+    File* file =
-        context->queue, &context->mutex, &context->condition_not_empty,
+        queue_dequeue_multithreaded(context->queue, &context->mutex, &context->condition_not_empty,
                                     &context->condition_not_full, &context->receiver_done);
     if (file == NULL) {
       free(root_directory);

src/shared/multiprocessing.h

@@ -9,23 +9,23 @@
 #include "queue.h"
 
 typedef struct {
-  Config *config;
+  Config* config;
-  Queue *queue_scanner;
+  Queue* queue_scanner;
   mtx_t mutex_scanner;
   cnd_t condition_not_full_scanner;
   cnd_t condition_not_empty_scanner;
   bool scanner_done;
-  Queue *queue_loader;
+  Queue* queue_loader;
   mtx_t mutex_loader;
   cnd_t condition_not_full_loader;
   cnd_t condition_not_empty_loader;
   bool loader_done;
-  ArrayList *manifest;
+  ArrayList* manifest;
 } PipelineContextSender;
 
 typedef struct PipelineContextReceiver {
-  Queue *queue;
+  Queue* queue;
-  Config *config;
+  Config* config;
   int file_descriptor;
   mtx_t mutex;
   cnd_t condition_not_full;
@@ -33,14 +33,12 @@ typedef struct PipelineContextReceiver {
   bool receiver_done;
 } PipelineContextReceiver;
 
-PipelineContextSender *pipeline_context_sender_create(Config *config,
+PipelineContextSender* pipeline_context_sender_create(Config* config, Queue* queue_scanner,
-                                                      Queue *queue_scanner,
+                                                      Queue* queue_loader);
-                                                      Queue *queue_loader);
+void pipeline_context_sender_destroy(PipelineContextSender* context);
-void pipeline_context_sender_destroy(PipelineContextSender *context);
+PipelineContextReceiver* pipeline_context_receiver_create(Config* config, Queue* queue_receiver,
-PipelineContextReceiver *pipeline_context_receiver_create(Config *config,
-                                                          Queue *queue_receiver,
                                                           int file_descriptor);
-void pipeline_context_receiver_destroy(PipelineContextReceiver *context);
+void pipeline_context_receiver_destroy(PipelineContextReceiver* context);
-int receive_thread(void *pipeline_context);
+int receive_thread(void* pipeline_context);
-int write_thread(void *pipeline_context);
+int write_thread(void* pipeline_context);
 #endif

src/shared/protocol.c

@@ -10,7 +10,7 @@
 
 static __thread int io_read_fd = -1;
 static __thread int io_write_fd = -1;
-static SSL *io_ssl = NULL;
+static SSL* io_ssl = NULL;
 
 static unsigned long long io_bwlimit = 0;
 static long long bw_tokens = 0;
@@ -28,13 +28,14 @@ void io_set_bwlimit(unsigned long long bytes_per_sec) {
 }
 
 static void bw_throttle(size_t bytes_written) {
-  if (io_bwlimit == 0) return;
+  if (io_bwlimit == 0)
+    return;
 
   struct timespec now;
   clock_gettime(CLOCK_MONOTONIC, &now);
 
-  long long elapsed_ns = (now.tv_sec - bw_last_refill.tv_sec) * 1000000000LL +
+  long long elapsed_ns =
-                         (now.tv_nsec - bw_last_refill.tv_nsec);
+      (now.tv_sec - bw_last_refill.tv_sec) * 1000000000LL + (now.tv_nsec - bw_last_refill.tv_nsec);
   bw_last_refill = now;
 
   long long tokens_to_add = (long long)((double)io_bwlimit * elapsed_ns / 1000000000.0);
@@ -56,7 +57,7 @@ static void bw_throttle(size_t bytes_written) {
   }
 }
 
-void io_set_ssl(SSL *ssl) {
+void io_set_ssl(SSL* ssl) {
   io_ssl = ssl;
 }
 
@@ -64,19 +65,19 @@ static int io_fd(int dir_fd, int file_descriptor) {
   return (dir_fd != -1) ? dir_fd : file_descriptor;
 }
 
-bool send_n_data(int file_descriptor, void *data, size_t data_size) {
+bool send_n_data(int file_descriptor, const void* data, size_t data_size) {
   log_message(LOG_LEVEL_DEBUG, "    Sending n Data: %zu", data_size);
   int fd = io_fd(io_write_fd, file_descriptor);
   ssize_t total_bytes_send = 0;
-  while (total_bytes_send < data_size) {
+  while ((size_t)total_bytes_send < data_size) {
     size_t chunk = data_size - total_bytes_send;
     if (io_bwlimit > 0 && chunk > 65536)
       chunk = 65536;
     ssize_t bytes_send;
     if (io_ssl)
-      bytes_send = SSL_write(io_ssl, (char *)data + total_bytes_send, chunk);
+      bytes_send = SSL_write(io_ssl, (const char*)data + total_bytes_send, chunk);
     else
-      bytes_send = write(fd, (char *)data + total_bytes_send, chunk);
+      bytes_send = write(fd, (const char*)data + total_bytes_send, chunk);
     if (bytes_send <= 0) {
       log_message(LOG_LEVEL_ERROR, "Could not send data");
       return false;
@@ -88,18 +89,18 @@ bool send_n_data(int file_descriptor, void *data, size_t data_size) {
   return true;
 }
 
-bool receive_n_data(int file_descriptor, void *data, size_t data_size) {
+bool receive_n_data(int file_descriptor, void* data, size_t data_size) {
   log_message(LOG_LEVEL_DEBUG, "    Receiving n Data: %zu", data_size);
   int fd = io_fd(io_read_fd, file_descriptor);
   size_t total_bytes_received = 0;
   while (total_bytes_received < data_size) {
     ssize_t bytes_received;
     if (io_ssl)
-      bytes_received = SSL_read(io_ssl, (char *)data + total_bytes_received,
+      bytes_received =
-                                data_size - total_bytes_received);
+          SSL_read(io_ssl, (char*)data + total_bytes_received, data_size - total_bytes_received);
     else
-      bytes_received = read(fd, (char *)data + total_bytes_received,
+      bytes_received =
-                             data_size - total_bytes_received);
+          read(fd, (char*)data + total_bytes_received, data_size - total_bytes_received);
     if (bytes_received <= 0) {
       if (bytes_received == 0)
         log_message(LOG_LEVEL_ERROR, "Connection closed while receiving data");
@@ -113,7 +114,7 @@ bool receive_n_data(int file_descriptor, void *data, size_t data_size) {
   return true;
 }
 
-static const char *status_to_string(Status status) {
+static const char* status_to_string(Status status) {
   switch (status) {
   case STATUS_OK:
     return "OK";
@@ -136,19 +137,23 @@ static const char *status_to_string(Status status) {
   }
 }
 
-bool send_str(int file_descriptor, char *data) {
+bool send_str(int file_descriptor, const char* data) {
   size_t size = strlen(data);
-  if (!send_n_data(file_descriptor, &size, sizeof(size_t))) return false;
+  if (!send_n_data(file_descriptor, &size, sizeof(size_t)))
-  if (!send_n_data(file_descriptor, data, size)) return false;
+    return false;
+  if (!send_n_data(file_descriptor, data, size))
+    return false;
   log_message(LOG_LEVEL_DEBUG, "Send String: %s", data);
   return true;
 }
 
-char *receive_str(int file_descriptor) {
+char* receive_str(int file_descriptor) {
   size_t size;
-  if (!receive_n_data(file_descriptor, &size, sizeof(size_t))) return NULL;
+  if (!receive_n_data(file_descriptor, &size, sizeof(size_t)))
-  char *data = (char *)malloc(size + 1);
+    return NULL;
-  if (data == NULL) return NULL;
+  char* data = (char*)malloc(size + 1);
+  if (data == NULL)
+    return NULL;
   if (!receive_n_data(file_descriptor, data, size)) {
     free(data);
     return NULL;
@@ -158,7 +163,7 @@ char *receive_str(int file_descriptor) {
   return data;
 }
 
-bool send_data(int file_descriptor, Data *data) {
+bool send_data(int file_descriptor, const Data* data) {
   unsigned long long data_size = data->size;
   if (!send_n_data(file_descriptor, &data_size, sizeof(unsigned long long)))
     return false;
@@ -168,12 +173,13 @@ bool send_data(int file_descriptor, Data *data) {
   return true;
 }
 
-Data *receive_data(int file_descriptor) {
+Data* receive_data(int file_descriptor) {
   unsigned long long size = 0;
   if (!receive_n_data(file_descriptor, &size, sizeof(unsigned long long)))
     return NULL;
-  void *data = malloc((size_t)size);
+  void* data = malloc((size_t)size);
-  if (data == NULL) return NULL;
+  if (data == NULL)
+    return NULL;
   if (!receive_n_data(file_descriptor, data, (size_t)size)) {
     free(data);
     return NULL;
@@ -183,25 +189,29 @@ Data *receive_data(int file_descriptor) {
 }
 
 bool send_int(int file_descriptor, int data) {
-  if (!send_n_data(file_descriptor, &data, sizeof(int))) return false;
+  if (!send_n_data(file_descriptor, &data, sizeof(int)))
+    return false;
   log_message(LOG_LEVEL_DEBUG, "Send Int: %d", data);
   return true;
 }
 
-bool receive_int(int file_descriptor, int *data) {
+bool receive_int(int file_descriptor, int* data) {
-  if (!receive_n_data(file_descriptor, data, sizeof(int))) return false;
+  if (!receive_n_data(file_descriptor, data, sizeof(int)))
+    return false;
   log_message(LOG_LEVEL_DEBUG, "Received Int: %d", *data);
   return true;
 }
 
 bool send_status(int file_descriptor, Status status) {
-  if (!send_n_data(file_descriptor, &status, sizeof(Status))) return false;
+  if (!send_n_data(file_descriptor, &status, sizeof(Status)))
+    return false;
   log_message(LOG_LEVEL_DEBUG, "Send Status: %s", status_to_string(status));
   return true;
 }
 
-bool receive_status(int file_descriptor, Status *status) {
+bool receive_status(int file_descriptor, Status* status) {
-  if (!receive_n_data(file_descriptor, status, sizeof(Status))) return false;
+  if (!receive_n_data(file_descriptor, status, sizeof(Status)))
+    return false;
   log_message(LOG_LEVEL_DEBUG, "Received Status: %s", status_to_string(*status));
   return true;
 }

src/shared/protocol.h

@@ -8,22 +8,31 @@
 typedef struct ssl_st SSL;
 
 typedef int Status;
-enum NET_STATUS { STATUS_OK, STATUS_ERROR, STATUS_FINISHED, STATUS_NEXT, STATUS_CHUNK, STATUS_MANIFEST, STATUS_CHECK, STATUS_DELTA_SIGNATURE, STATUS_DELTA_DATA };
+enum NET_STATUS {
+  STATUS_OK,
+  STATUS_ERROR,
+  STATUS_FINISHED,
+  STATUS_NEXT,
+  STATUS_CHUNK,
+  STATUS_MANIFEST,
+  STATUS_CHECK,
+  STATUS_DELTA_SIGNATURE,
+  STATUS_DELTA_DATA
+};
 
 void io_set_fds(int read_fd, int write_fd);
 void io_set_bwlimit(unsigned long long bytes_per_sec);
-typedef struct ssl_st SSL;
+void io_set_ssl(SSL* ssl);
-void io_set_ssl(SSL *ssl);
+bool send_n_data(int file_descriptor, const void* data, size_t data_size);
-bool send_n_data(int file_descriptor, void *data, size_t data_size);
+bool receive_n_data(int file_descriptor, void* data, size_t data_size);
-bool receive_n_data(int file_descriptor, void *data, size_t data_size);
 
-bool send_str(int file_descriptor, char *data);
+bool send_str(int file_descriptor, const char* data);
-char *receive_str(int file_descriptor);
+char* receive_str(int file_descriptor);
-bool send_data(int file_descriptor, Data *data);
+bool send_data(int file_descriptor, const Data* data);
-Data *receive_data(int file_descriptor);
+Data* receive_data(int file_descriptor);
 bool send_int(int file_descriptor, int data);
-bool receive_int(int file_descriptor, int *data);
+bool receive_int(int file_descriptor, int* data);
 bool send_status(int file_descriptor, Status status);
-bool receive_status(int file_descriptor, Status *status);
+bool receive_status(int file_descriptor, Status* status);
 
 #endif

src/shared/queue.c

@@ -6,14 +6,14 @@
 
 #include "queue.h"
 
-Queue *queue_create(int capacity, void (*destroyer)(void *item)) {
+Queue* queue_create(int capacity, void (*destroyer)(void* item)) {
-  Queue *queue = (Queue *)malloc(sizeof(Queue));
+  Queue* queue = (Queue*)malloc(sizeof(Queue));
   if (queue == NULL) {
     perror("ERROR: Could not allocate memory for queue structure");
     return NULL;
   }
 
-  queue->items = malloc(capacity * sizeof(void *));
+  queue->items = malloc(capacity * sizeof(void*));
   if (queue->items == NULL) {
     free(queue);
     return NULL;
@@ -32,7 +32,7 @@ Queue *queue_create(int capacity, void (*destroyer)(void *item)) {
   return queue;
 }
 
-void queue_destroy(Queue *queue) {
+void queue_destroy(Queue* queue) {
   if (queue == NULL)
     return;
 
@@ -46,24 +46,25 @@ void queue_destroy(Queue *queue) {
   free(queue);
 }
 
-bool queue_is_empty(Queue *queue) {
+bool queue_is_empty(const Queue* queue) {
   if (queue == NULL)
     return true;
   return queue->size == 0;
 }
 
-bool queue_is_full(Queue *queue) {
+bool queue_is_full(const Queue* queue) {
   if (queue == NULL)
     return false;
   return queue->size == queue->capacity;
 }
 
-static bool queue_double_capacity(Queue *queue) {
+static bool queue_double_capacity(Queue* queue) {
-  if (queue == NULL) return false;
+  if (queue == NULL)
+    return false;
   unsigned int new_capacity = queue->capacity * 2;
   if (new_capacity <= 1)
     new_capacity = 100;
-  void **new_items = malloc(new_capacity * sizeof(void *));
+  void** new_items = malloc(new_capacity * sizeof(void*));
   if (new_items == NULL) {
     perror("ERROR: Could not allocate memory for doubling capacity of queue.");
     return false;
@@ -78,10 +79,12 @@ static bool queue_double_capacity(Queue *queue) {
   return true;
 }
 
-bool queue_enqueue(Queue *queue, void *item) {
+bool queue_enqueue(Queue* queue, void* item) {
-  if (queue == NULL || item == NULL) return false;
+  if (queue == NULL || item == NULL)
+    return false;
   if (queue_is_full(queue)) {
-    if (!queue_double_capacity(queue)) return false;
+    if (!queue_double_capacity(queue))
+      return false;
   }
   queue->items[queue->rear] = item;
   queue->rear = (queue->rear + 1) % queue->capacity;
@@ -89,9 +92,8 @@ bool queue_enqueue(Queue *queue, void *item) {
   return true;
 }
 
-bool queue_enqueue_multithreaded(Queue *queue, void *item, mtx_t *mutex,
+bool queue_enqueue_multithreaded(Queue* queue, void* item, mtx_t* mutex, cnd_t* condition_not_empty,
-                                 cnd_t *condition_not_empty,
+                                 cnd_t* condition_not_full) {
-                                 cnd_t *condition_not_full) {
   mtx_lock(mutex);
   while (queue_is_full(queue))
     cnd_wait(condition_not_full, mutex);
@@ -101,23 +103,21 @@ bool queue_enqueue_multithreaded(Queue *queue, void *item, mtx_t *mutex,
   return ok;
 }
 
-void *queue_dequeue(Queue *queue) {
+void* queue_dequeue(Queue* queue) {
   if (queue == NULL || queue_is_empty(queue)) {
     perror("ERROR: Could not dequeue from null or empty queue.");
     return NULL;
   }
 
-  void *item = queue->items[queue->front];
+  void* item = queue->items[queue->front];
   queue->items[queue->front] = NULL;
   queue->front = (queue->front + 1) % queue->capacity;
   queue->size--;
   return item;
 }
 
-void *queue_dequeue_multithreaded(Queue *queue, mtx_t *mutex,
+void* queue_dequeue_multithreaded(Queue* queue, mtx_t* mutex, cnd_t* condition_not_empty,
-                                  cnd_t *condition_not_empty,
+                                  cnd_t* condition_not_full, const bool* other_thread_done) {
-                                  cnd_t *condition_not_full,
-                                  bool *other_thread_done) {
   mtx_lock(mutex);
   while (queue_is_empty(queue) && !*other_thread_done)
     cnd_wait(condition_not_empty, mutex);
@@ -125,7 +125,7 @@ void *queue_dequeue_multithreaded(Queue *queue, mtx_t *mutex,
     mtx_unlock(mutex);
     return NULL;
   }
-  void *item = queue_dequeue(queue);
+  void* item = queue_dequeue(queue);
   cnd_signal(condition_not_full);
   mtx_unlock(mutex);
   return item;

src/shared/queue.h

@@ -5,26 +5,23 @@
 #include <threads.h>
 
 typedef struct Queue {
-  void **items;
+  void** items;
   int front;
   int rear;
   int size;
   int capacity;
-  void (*item_destroyer)(void *item);
+  void (*item_destroyer)(void* item);
 } Queue;
 
-Queue *queue_create(int capacity, void (*destroyer)(void *item));
+Queue* queue_create(int capacity, void (*destroyer)(void* item));
-void queue_destroy(Queue *queue);
+void queue_destroy(Queue* queue);
-bool queue_is_empty(Queue *queue);
+bool queue_is_empty(const Queue* queue);
-bool queue_is_full(Queue *queue);
+bool queue_is_full(const Queue* queue);
-bool queue_enqueue(Queue *queue, void *item);
+bool queue_enqueue(Queue* queue, void* item);
-bool queue_enqueue_multithreaded(Queue *queue, void *item, mtx_t *mutex,
+bool queue_enqueue_multithreaded(Queue* queue, void* item, mtx_t* mutex, cnd_t* condition_not_empty,
-                                 cnd_t *condition_not_empty,
+                                 cnd_t* condition_not_full);
-                                 cnd_t *condition_not_full);
+void* queue_dequeue(Queue* queue);
-void *queue_dequeue(Queue *queue);
+void* queue_dequeue_multithreaded(Queue* queue, mtx_t* mutex, cnd_t* condition_not_empty,
-void *queue_dequeue_multithreaded(Queue *queue, mtx_t *mutex,
+                                  cnd_t* condition_not_full, const bool* other_thread_done);
-                                  cnd_t *condition_not_empty,
-                                  cnd_t *condition_not_full,
-                                  bool *other_thread_done);
 
 #endif

src/shared/transport_ssh.c

@@ -13,36 +13,41 @@ typedef struct {
   char remote_path[4096];
 } RemoteDest;
 
-static int parse_remote_dest(const char *dest, RemoteDest *r) {
+static int parse_remote_dest(const char* dest, RemoteDest* r) {
-  const char *colon = strchr(dest, ':');
+  const char* colon = strchr(dest, ':');
-  if (!colon) return -1;
+  if (!colon)
+    return -1;
 
   size_t remote_path_len = strlen(colon + 1);
-  if (remote_path_len >= sizeof(r->remote_path)) return -1;
+  if (remote_path_len >= sizeof(r->remote_path))
+    return -1;
   memcpy(r->remote_path, colon + 1, remote_path_len + 1);
 
-  const char *at = memchr(dest, '@', colon - dest);
+  const char* at = memchr(dest, '@', colon - dest);
   if (at) {
     size_t user_len = at - dest;
-    if (user_len >= sizeof(r->user)) return -1;
+    if (user_len >= sizeof(r->user))
+      return -1;
     memcpy(r->user, dest, user_len);
     r->user[user_len] = '\0';
 
     size_t host_len = colon - at - 1;
-    if (host_len >= sizeof(r->host)) return -1;
+    if (host_len >= sizeof(r->host))
+      return -1;
     memcpy(r->host, at + 1, host_len);
     r->host[host_len] = '\0';
   } else {
     r->user[0] = '\0';
     size_t host_len = colon - dest;
-    if (host_len >= sizeof(r->host)) return -1;
+    if (host_len >= sizeof(r->host))
+      return -1;
     memcpy(r->host, dest, host_len);
     r->host[host_len] = '\0';
   }
   return 0;
 }
 
-Client *client_connect_ssh(char *destination, int port) {
+Client* client_connect_ssh(const char* destination, int port) {
   RemoteDest r;
   if (parse_remote_dest(destination, &r) != 0) {
     fprintf(stderr, "Invalid remote destination: %s\n", destination);
@@ -64,15 +69,18 @@ Client *client_connect_ssh(char *destination, int port) {
   int exec_pipe[2];
   if (pipe(exec_pipe) < 0) {
     perror("pipe failed");
-    close(sv[0]); close(sv[1]);
+    close(sv[0]);
+    close(sv[1]);
     return NULL;
   }
 
   pid_t pid = fork();
   if (pid < 0) {
     perror("fork failed");
-    close(sv[0]); close(sv[1]);
+    close(sv[0]);
-    close(exec_pipe[0]); close(exec_pipe[1]);
+    close(sv[1]);
+    close(exec_pipe[0]);
+    close(exec_pipe[1]);
     return NULL;
   }
 
@@ -85,7 +93,8 @@ Client *client_connect_ssh(char *destination, int port) {
       dup2(sv[1], STDIN_FILENO);
     if (sv[1] != STDOUT_FILENO)
       dup2(sv[1], STDOUT_FILENO);
-    if (sv[1] > 1) close(sv[1]);
+    if (sv[1] > 1)
+      close(sv[1]);
 
     char ssh_user[512];
     if (r.user[0] != '\0')
@@ -93,7 +102,7 @@ Client *client_connect_ssh(char *destination, int port) {
     else
       snprintf(ssh_user, sizeof(ssh_user), "%s", r.host);
 
-    char *ssh_argv[16];
+    char* ssh_argv[16];
     int ac = 0;
     char port_str[16];
     ssh_argv[ac++] = "ssh";
@@ -133,7 +142,7 @@ Client *client_connect_ssh(char *destination, int port) {
     return NULL;
   }
 
-  Client *client = malloc(sizeof(Client));
+  Client* client = malloc(sizeof(Client));
   if (client == NULL) {
     close(sv[0]);
     waitpid(pid, NULL, 0);

src/shared/transport_ssh.h

@@ -3,6 +3,6 @@
 
 #include "transport_tcp.h"
 
-Client *client_connect_ssh(char *destination, int port);
+Client* client_connect_ssh(const char* destination, int port);
 
 #endif

src/shared/transport_tcp.c

@@ -11,8 +11,8 @@
 #include <sys/wait.h>
 #include <unistd.h>
 
-Server *server_create(int port) {
+Server* server_create(int port) {
-  Server *server = (Server *)malloc(sizeof(Server));
+  Server* server = (Server*)malloc(sizeof(Server));
   if (server == NULL) {
     perror("Could not allocate space for Server");
     return NULL;
@@ -26,8 +26,7 @@ Server *server_create(int port) {
   }
   server->file_descriptor = file_descriptor;
   int opt = 1;
-  if (setsockopt(server->file_descriptor, SOL_SOCKET, SO_REUSEADDR, &opt,
+  if (setsockopt(server->file_descriptor, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(opt))) {
-                 sizeof(opt))) {
     perror("Error setting a socket option!");
     close(server->file_descriptor);
     free(server);
@@ -40,8 +39,8 @@ Server *server_create(int port) {
   server->address_length = sizeof(server->address);
   server->ssl_ctx = NULL;
 
-  if (bind(server->file_descriptor, (struct sockaddr *)&server->address,
+  if (bind(server->file_descriptor, (struct sockaddr*)&server->address, server->address_length) <
-           server->address_length) < 0) {
+      0) {
     perror("Could not bind server");
     close(server->file_descriptor);
     free(server);
@@ -51,8 +50,9 @@ Server *server_create(int port) {
   return server;
 }
 
-void server_delete(Server **server) {
+void server_delete(Server** server) {
-  if (server == NULL || *server == NULL) return;
+  if (server == NULL || *server == NULL)
+    return;
   close((*server)->file_descriptor);
   if ((*server)->ssl_ctx) {
     SSL_CTX_free((*server)->ssl_ctx);
@@ -62,8 +62,8 @@ void server_delete(Server **server) {
   *server = NULL;
 }
 
-static void accept_loop(Server *server, void (*child_fn)(int, void *),
+static void accept_loop(Server* server, void (*child_fn)(int, void*), void* child_ctx,
-                        void *child_ctx, const char *log_fmt) {
+                        const char* log_fmt) {
   if (listen(server->file_descriptor, SOMAXCONN) < 0) {
     perror("Could not listen on port!");
     return;
@@ -72,8 +72,7 @@ static void accept_loop(Server *server, void (*child_fn)(int, void *),
   while (1) {
     struct sockaddr_in client_addr;
     socklen_t client_len = sizeof(client_addr);
-    int fd = accept(server->file_descriptor, (struct sockaddr *)&client_addr,
+    int fd = accept(server->file_descriptor, (struct sockaddr*)&client_addr, &client_len);
-                    &client_len);
     if (fd < 0) {
       perror("Could not accept the connection");
       continue;
@@ -90,35 +89,35 @@ static void accept_loop(Server *server, void (*child_fn)(int, void *),
   }
 }
 
-struct plain_ctx { void (*handler)(int); };
+struct plain_ctx {
+  void (*handler)(int);
+};
 
-static void plain_child_fn(int fd, void *ctx) {
+static void plain_child_fn(int fd, void* ctx) {
-  ((struct plain_ctx *)ctx)->handler(fd);
+  ((struct plain_ctx*)ctx)->handler(fd);
 }
 
-bool server_listen(Server *server, void (*handler)(int file_descriptor)) {
+bool server_listen(Server* server, void (*handler)(int file_descriptor)) {
-  log_message(LOG_LEVEL_INFO, "Start Listening on Port: %d",
+  log_message(LOG_LEVEL_INFO, "Start Listening on Port: %d", ntohs(server->address.sin_port));
-              ntohs(server->address.sin_port));
   struct plain_ctx ctx = {handler};
   accept_loop(server, plain_child_fn, &ctx, "Received Connection");
   return true;
 }
 
-void server_accept_loop(Server *server, void (*child_fn)(int, void *),
+void server_accept_loop(Server* server, void (*child_fn)(int, void*), void* child_ctx,
-                        void *child_ctx, const char *log_fmt) {
+                        const char* log_fmt) {
-  log_message(LOG_LEVEL_INFO, "Start TLS Listening on Port: %d",
+  log_message(LOG_LEVEL_INFO, "Start TLS Listening on Port: %d", ntohs(server->address.sin_port));
-              ntohs(server->address.sin_port));
   accept_loop(server, child_fn, child_ctx, log_fmt);
 }
 
-Client *client_create() {
+Client* client_create() {
   int file_descriptor = socket(AF_INET, SOCK_STREAM, 0);
   if (file_descriptor < 0) {
     perror("Could not create Socket!");
     return NULL;
   }
 
-  Client *client = (Client *)malloc(sizeof(Client));
+  Client* client = (Client*)malloc(sizeof(Client));
   if (client == NULL) {
     close(file_descriptor);
     return NULL;
@@ -132,7 +131,7 @@ Client *client_create() {
   return client;
 }
 
-bool client_connect(Client *client, char *host, int port) {
+bool client_connect(Client* client, char* host, int port) {
   client->address.sin_port = htons(port);
 
   if (inet_pton(AF_INET, host, &client->address.sin_addr) <= 0) {
@@ -140,15 +139,15 @@ bool client_connect(Client *client, char *host, int port) {
     return false;
   }
 
-  if (connect(client->file_descriptor, (struct sockaddr *)&client->address,
+  if (connect(client->file_descriptor, (struct sockaddr*)&client->address, client->address_length) <
-              client->address_length) < 0) {
+      0) {
     perror("Could not connect to Server!");
     return false;
   }
   return true;
 }
 
-void client_disconnect(Client *client) {
+void client_disconnect(Client* client) {
   if (client->ssl) {
     SSL_shutdown(client->ssl);
     SSL_free(client->ssl);
@@ -163,8 +162,9 @@ void client_disconnect(Client *client) {
   }
 }
 
-void client_delete(Client *client) {
+void client_delete(Client* client) {
-  if (client == NULL) return;
+  if (client == NULL)
+    return;
   if (client->ssl_ctx) {
     SSL_CTX_free(client->ssl_ctx);
     client->ssl_ctx = NULL;

src/shared/transport_tcp.h

@@ -9,7 +9,7 @@ typedef struct Server {
   struct sockaddr_in address;
   unsigned int address_length;
   int file_descriptor;
-  void *ssl_ctx;
+  void* ssl_ctx;
 } Server;
 
 typedef struct Client {
@@ -17,18 +17,18 @@ typedef struct Client {
   unsigned int address_length;
   int file_descriptor;
   pid_t ssh_child_pid;
-  void *ssl;
+  void* ssl;
-  void *ssl_ctx;
+  void* ssl_ctx;
 } Client;
 
-Server *server_create(int port);
+Server* server_create(int port);
-bool server_listen(Server *server, void (*handler)(int file_descriptor));
+bool server_listen(Server* server, void (*handler)(int file_descriptor));
-void server_accept_loop(Server *server, void (*child_fn)(int, void *),
+void server_accept_loop(Server* server, void (*child_fn)(int, void*), void* child_ctx,
-                        void *child_ctx, const char *log_fmt);
+                        const char* log_fmt);
-void server_delete(Server **server);
+void server_delete(Server** server);
-Client *client_create();
+Client* client_create();
-bool client_connect(Client *client, char *host, int port);
+bool client_connect(Client* client, char* host, int port);
-void client_disconnect(Client *client);
+void client_disconnect(Client* client);
-void client_delete(Client *client);
+void client_delete(Client* client);
 
 #endif

src/shared/transport_tls.c

@@ -31,11 +31,10 @@ static void log_ssl_errors(void) {
   }
 }
 
-static SSL_CTX *create_ssl_ctx(bool is_server, const char *cert,
+static SSL_CTX* create_ssl_ctx(bool is_server, const char* cert, const char* key,
-                                const char *key, const char *ca_path) {
+                               const char* ca_path) {
-  const SSL_METHOD *method =
+  const SSL_METHOD* method = is_server ? TLS_server_method() : TLS_client_method();
-      is_server ? TLS_server_method() : TLS_client_method();
+  SSL_CTX* ctx = SSL_CTX_new(method);
-  SSL_CTX *ctx = SSL_CTX_new(method);
   if (!ctx) {
     log_message(LOG_LEVEL_ERROR, "Unable to create SSL context");
     log_ssl_errors();
@@ -58,8 +57,7 @@ static SSL_CTX *create_ssl_ctx(bool is_server, const char *cert,
       return NULL;
     }
     if (!SSL_CTX_check_private_key(ctx)) {
-      log_message(LOG_LEVEL_ERROR,
+      log_message(LOG_LEVEL_ERROR, "Private key does not match certificate");
-                  "Private key does not match certificate");
       SSL_CTX_free(ctx);
       return NULL;
     }
@@ -79,8 +77,8 @@ static SSL_CTX *create_ssl_ctx(bool is_server, const char *cert,
   return ctx;
 }
 
-static SSL *wrap_fd_with_ssl(int fd, SSL_CTX *ctx, bool is_server) {
+static SSL* wrap_fd_with_ssl(int fd, SSL_CTX* ctx, bool is_server) {
-  SSL *ssl = SSL_new(ctx);
+  SSL* ssl = SSL_new(ctx);
   if (!ssl) {
     log_message(LOG_LEVEL_ERROR, "Failed to create SSL object");
     return NULL;
@@ -93,8 +91,7 @@ static SSL *wrap_fd_with_ssl(int fd, SSL_CTX *ctx, bool is_server) {
     ret = SSL_connect(ssl);
 
   if (ret <= 0) {
-    log_message(LOG_LEVEL_ERROR, "SSL %s failed",
+    log_message(LOG_LEVEL_ERROR, "SSL %s failed", is_server ? "accept" : "connect");
-                is_server ? "accept" : "connect");
     log_ssl_errors();
     SSL_free(ssl);
     return NULL;
@@ -102,23 +99,25 @@ static SSL *wrap_fd_with_ssl(int fd, SSL_CTX *ctx, bool is_server) {
   return ssl;
 }
 
-bool server_create_tls(Server *server, const char *cert_path,
+bool server_create_tls(Server* server, const char* cert_path, const char* key_path,
-                        const char *key_path, const char *ca_path) {
+                       const char* ca_path) {
-  SSL_CTX *ctx = create_ssl_ctx(true, cert_path, key_path, ca_path);
+  SSL_CTX* ctx = create_ssl_ctx(true, cert_path, key_path, ca_path);
-  if (!ctx) return false;
+  if (!ctx)
+    return false;
   server->ssl_ctx = ctx;
   return true;
 }
 
 struct tls_child_ctx {
   void (*handler)(int);
-  SSL_CTX *ssl_ctx;
+  SSL_CTX* ssl_ctx;
 };
 
-static void tls_child_fn(int fd, void *arg) {
+static void tls_child_fn(int fd, void* arg) {
-  struct tls_child_ctx *ctx = (struct tls_child_ctx *)arg;
+  struct tls_child_ctx* ctx = (struct tls_child_ctx*)arg;
-  SSL *ssl = wrap_fd_with_ssl(fd, ctx->ssl_ctx, true);
+  SSL* ssl = wrap_fd_with_ssl(fd, ctx->ssl_ctx, true);
-  if (!ssl) return;
+  if (!ssl)
+    return;
   io_set_ssl(ssl);
   ctx->handler(fd);
   SSL_shutdown(ssl);
@@ -126,31 +125,31 @@ static void tls_child_fn(int fd, void *arg) {
   io_set_ssl(NULL);
 }
 
-bool server_listen_tls(Server *server, void (*handler)(int file_descriptor)) {
+bool server_listen_tls(Server* server, void (*handler)(int file_descriptor)) {
-  struct tls_child_ctx ctx = {handler, (SSL_CTX *)server->ssl_ctx};
+  struct tls_child_ctx ctx = {handler, (SSL_CTX*)server->ssl_ctx};
   server_accept_loop(server, tls_child_fn, &ctx, "Received TLS Connection");
   return true;
 }
 
-bool client_connect_tls(Client *client, char *host, int port,
+bool client_connect_tls(Client* client, char* host, int port, const char* cert_path,
-                         const char *cert_path, const char *key_path,
+                        const char* key_path, const char* ca_path) {
-                         const char *ca_path) {
   client->address.sin_port = htons(port);
   if (inet_pton(AF_INET, host, &client->address.sin_addr) <= 0) {
     perror("Could not convert host address!");
     return false;
   }
-  if (connect(client->file_descriptor, (struct sockaddr *)&client->address,
+  if (connect(client->file_descriptor, (struct sockaddr*)&client->address, client->address_length) <
-               client->address_length) < 0) {
+      0) {
     perror("Could not connect to Server!");
     return false;
   }
 
-  SSL_CTX *ctx = create_ssl_ctx(false, cert_path, key_path, ca_path);
+  SSL_CTX* ctx = create_ssl_ctx(false, cert_path, key_path, ca_path);
-  if (!ctx) return false;
+  if (!ctx)
+    return false;
   client->ssl_ctx = ctx;
 
-  SSL *ssl = wrap_fd_with_ssl(client->file_descriptor, ctx, false);
+  SSL* ssl = wrap_fd_with_ssl(client->file_descriptor, ctx, false);
   if (!ssl) {
     SSL_CTX_free(ctx);
     client->ssl_ctx = NULL;

src/shared/transport_tls.h

@@ -6,11 +6,10 @@
 
 bool tls_global_init(void);
 
-bool server_create_tls(Server *server, const char *cert_path,
+bool server_create_tls(Server* server, const char* cert_path, const char* key_path,
-                        const char *key_path, const char *ca_path);
+                       const char* ca_path);
-bool server_listen_tls(Server *server, void (*handler)(int file_descriptor));
+bool server_listen_tls(Server* server, void (*handler)(int file_descriptor));
-bool client_connect_tls(Client *client, char *host, int port,
+bool client_connect_tls(Client* client, char* host, int port, const char* cert_path,
-                         const char *cert_path, const char *key_path,
+                        const char* key_path, const char* ca_path);
-                         const char *ca_path);
 
 #endif

src/shared/utils.c

@@ -8,21 +8,25 @@
 #include <sys/stat.h>
 #include <unistd.h>
 
-bool mkdir_r(char *path) {
+bool mkdir_r(const char* path) {
-  char *path_duplicate = malloc(strlen(path) + 1);
+  char* path_duplicate = malloc(strlen(path) + 1);
-  if (!path_duplicate) return false;
+  if (!path_duplicate)
+    return false;
   strcpy(path_duplicate, path);
-  char *path_current = (char *)malloc((strlen(path) + 2) * sizeof(char));
+  char* path_current = (char*)malloc((strlen(path) + 2) * sizeof(char));
-  if (!path_current) { free(path_duplicate); return false; }
+  if (!path_current) {
-  char *path_current_position = path_current;
+    free(path_duplicate);
+    return false;
+  }
+  char* path_current_position = path_current;
   if (path[0] == '/') {
     strcpy(path_current, "/");
     path_current_position += 1;
   } else {
     path_current[0] = '\0';
   }
-  const char *delimiter = "/";
+  const char* delimiter = "/";
-  char *part = strtok(path_duplicate, delimiter);
+  const char* part = strtok(path_duplicate, delimiter);
   bool ok = true;
   while (part != NULL) {
     strcpy(path_current_position, part);
@@ -44,15 +48,15 @@ bool mkdir_r(char *path) {
   return ok;
 }
 
-char *str_dup(const char *string) {
+char* str_dup(const char* string) {
   if (string == NULL)
     return NULL;
-  char *new_string = (char *)malloc(strlen(string) + 1);
+  char* new_string = (char*)malloc(strlen(string) + 1);
   strcpy(new_string, string);
   return new_string;
 }
 
-bool glob_match(const char *pattern, const char *str) {
+bool glob_match(const char* pattern, const char* str) {
   while (*pattern) {
     if (*pattern == '*') {
       pattern++;
@@ -77,17 +81,16 @@ bool glob_match(const char *pattern, const char *str) {
   return *str == '\0';
 }
 
-static void delete_extras_walk(const char *abs_path, const char *rel_path,
+static void delete_extras_walk(const char* abs_path, const char* rel_path, ArrayList* manifest) {
-                               ArrayList *manifest) {
+  DIR* dir = opendir(abs_path);
-  DIR *dir = opendir(abs_path);
   if (!dir)
     return;
-  struct dirent *entry;
+  struct dirent* entry;
   while ((entry = readdir(dir)) != NULL) {
     if (strcmp(entry->d_name, ".") == 0 || strcmp(entry->d_name, "..") == 0)
       continue;
-    char *child_abs = path_cat((char *)abs_path, entry->d_name);
+    char* child_abs = path_cat((char*)abs_path, entry->d_name);
-    char *child_rel = path_cat((char *)rel_path, entry->d_name);
+    char* child_rel = path_cat((char*)rel_path, entry->d_name);
     struct stat st;
     if (stat(child_abs, &st) != 0) {
       free(child_abs);
@@ -100,7 +103,7 @@ static void delete_extras_walk(const char *abs_path, const char *rel_path,
       // Check if relative path is in manifest
       bool found = false;
       for (int i = 0; i < manifest->size; i++) {
-        if (strcmp((char *)manifest->items[i], child_rel) == 0) {
+        if (strcmp((char*)manifest->items[i], child_rel) == 0) {
           found = true;
           break;
         }
@@ -117,26 +120,27 @@ static void delete_extras_walk(const char *abs_path, const char *rel_path,
   rmdir(abs_path);
 }
 
-void delete_extras(const char *dest_root, ArrayList *manifest) {
+void delete_extras(const char* dest_root, ArrayList* manifest) {
   delete_extras_walk(dest_root, "", manifest);
 }
 
-char *path_cat(char *path1, char *path2) {
+char* path_cat(const char* path1, char* path2) {
   if (path1 == NULL || *path1 == '\0')
     return str_dup(path2);
   if (path2 == NULL || *path2 == '\0')
     return str_dup(path1);
   int path1_len = strlen(path1);
   int path2_len = strlen(path2);
-  char *path2_pointer = path2;
+  char* path2_pointer = path2;
   if (path1[path1_len - 1] == '/')
     path1_len -= 1;
   if (path2[0] == '/') {
     path2_pointer += 1;
     path2_len -= 1;
   }
-  char *new_path = malloc(path1_len + path2_len + 2);
+  char* new_path = malloc(path1_len + path2_len + 2);
-  if (new_path == NULL) return NULL;
+  if (new_path == NULL)
+    return NULL;
   memcpy(new_path, path1, path1_len);
   new_path[path1_len] = '/';
   memcpy(new_path + path1_len + 1, path2_pointer, path2_len);

src/shared/utils.h

@@ -4,10 +4,10 @@
 #include "array_list.h"
 #include <stdbool.h>
 
-bool mkdir_r(char *path);
+bool mkdir_r(const char* path);
-char *str_dup(const char *string);
+char* str_dup(const char* string);
-char *path_cat(char *path1, char *path2);
+char* path_cat(const char* path1, char* path2);
-bool glob_match(const char *pattern, const char *str);
+bool glob_match(const char* pattern, const char* str);
-void delete_extras(const char *dest_root, ArrayList *manifest);
+void delete_extras(const char* dest_root, ArrayList* manifest);
 
 #endif

tests/test_array_list.c

@@ -4,28 +4,28 @@
 #include <stdlib.h>
 
 static int destroyer_calls = 0;
-static void test_destroyer(void *item) {
+static void test_destroyer(void* item) {
   destroyer_calls++;
   free(item);
 }
 
 void test_array_list() {
-  ArrayList *list = array_list_create(free);
+  ArrayList* list = array_list_create(free);
   EXPECT_NOT_NULL(list);
   EXPECT_EQ_INT(list->size, 0);
   EXPECT_EQ_INT(list->capacity, 100);
 
   // Test adding
-  int *val1 = malloc(sizeof(int));
+  int* val1 = malloc(sizeof(int));
   *val1 = 42;
   array_list_add(list, val1);
   EXPECT_EQ_INT(list->size, 1);
-  EXPECT_EQ_INT(*(int *)list->items[0], 42);
+  EXPECT_EQ_INT(*(int*)list->items[0], 42);
 
   // Test extending capacity
   // Initial capacity is 100. Let's add 105 elements.
   for (int i = 0; i < 105; i++) {
-    int *val = malloc(sizeof(int));
+    int* val = malloc(sizeof(int));
     *val = i;
     array_list_add(list, val);
   }
@@ -33,15 +33,15 @@ void test_array_list() {
   EXPECT_EQ_INT(list->capacity, 200); // 100 * 2
 
   // Verify contents
-  EXPECT_EQ_INT(*(int *)list->items[0], 42);
+  EXPECT_EQ_INT(*(int*)list->items[0], 42);
-  EXPECT_EQ_INT(*(int *)list->items[1], 0);
+  EXPECT_EQ_INT(*(int*)list->items[1], 0);
-  EXPECT_EQ_INT(*(int *)list->items[105], 104);
+  EXPECT_EQ_INT(*(int*)list->items[105], 104);
 
   // Test array conversion
-  void **arr = array_list_to_array(list);
+  void** arr = array_list_to_array(list);
   EXPECT_NOT_NULL(arr);
-  EXPECT_EQ_INT(*(int *)arr[0], 42);
+  EXPECT_EQ_INT(*(int*)arr[0], 42);
-  EXPECT_EQ_INT(*(int *)arr[105], 104);
+  EXPECT_EQ_INT(*(int*)arr[105], 104);
   free(arr);
 
   // Delete list, verifying the destroyer is called 106 times

tests/test_chunk.c

@@ -7,13 +7,13 @@
 #include <unistd.h>
 
 static void test_file_operations() {
-  char *test_path = "temp_file_test.txt";
+  char* test_path = "temp_file_test.txt";
-  char *test_content = "Hello, Chunk System!";
+  char* test_content = "Hello, Chunk System!";
   unsigned long long test_len = strlen(test_content);
 
   to_disk(test_path, test_content, test_len);
 
-  File *f = file_create(test_path);
+  File* f = file_create(test_path);
   EXPECT_NOT_NULL(f);
   EXPECT_EQ_STR(f->path, test_path);
   EXPECT_NOT_NULL(f->data);
@@ -35,12 +35,12 @@ static void test_file_operations() {
 }
 
 static void test_chunk_operations() {
-  char *path1 = "temp_chunk_1.txt";
+  char* path1 = "temp_chunk_1.txt";
-  char *content1 = "chunk item 1";
+  char* content1 = "chunk item 1";
   unsigned long long len1 = strlen(content1);
 
-  char *path2 = "temp_chunk_2.txt";
+  char* path2 = "temp_chunk_2.txt";
-  char *content2 = "chunk item number 2";
+  char* content2 = "chunk item number 2";
   unsigned long long len2 = strlen(content2);
 
   to_disk(path1, content1, len1);
@@ -50,13 +50,13 @@ static void test_chunk_operations() {
   stat(path1, &st1);
   stat(path2, &st2);
 
-  File *f1 = file_create(path1);
+  File* f1 = file_create(path1);
   f1->data->size = st1.st_size;
-  File *f2 = file_create(path2);
+  File* f2 = file_create(path2);
   f2->data->size = st2.st_size;
 
-  File *files[2] = {f1, f2};
+  File* files[2] = {f1, f2};
-  Chunk *chunk = chunk_create(files, 2);
+  Chunk* chunk = chunk_create(files, 2);
   EXPECT_NOT_NULL(chunk);
   EXPECT_EQ_INT(chunk->element_count, 2);
   EXPECT_NOT_NULL(chunk->items[0]);
@@ -67,10 +67,10 @@ static void test_chunk_operations() {
   file_load_data(f2);
 
   // Test chunk_serialize / chunk_deserialize round-trip
-  Data *serialized = chunk_serialize(chunk, false);
+  Data* serialized = chunk_serialize(chunk, false);
   EXPECT_NOT_NULL(serialized);
 
-  Chunk *deserialized = chunk_deserialize(serialized, false);
+  Chunk* deserialized = chunk_deserialize(serialized, false);
   EXPECT_NOT_NULL(deserialized);
   EXPECT_EQ_INT(deserialized->element_count, 2);
   EXPECT_EQ_STR(deserialized->items[0]->path, path1);

tests/test_compression.c

@@ -9,18 +9,18 @@
 #include <unistd.h>
 
 static void test_data_compress_decompress_roundtrip() {
-  char original[] = "Hello, World! This is test data for compression round-trip!";
+  const char original[] = "Hello, World! This is test data for compression round-trip!";
   size_t len = strlen(original);
 
-  char *buf = malloc(len);
+  char* buf = malloc(len);
   memcpy(buf, original, len);
-  Data *original_data = data_create(buf, len);
+  Data* original_data = data_create(buf, len);
   EXPECT_NOT_NULL(original_data);
 
-  Data *compressed = data_compress(original_data, 3);
+  Data* compressed = data_compress(original_data, 3);
   EXPECT_NOT_NULL(compressed);
 
-  Data *decompressed = data_decompress(compressed);
+  Data* decompressed = data_decompress(compressed);
   EXPECT_NOT_NULL(decompressed);
   EXPECT_EQ_INT((int)decompressed->size, (int)len);
   EXPECT_EQ_INT(memcmp(decompressed->data, original, len), 0);
@@ -32,18 +32,18 @@ static void test_data_compress_decompress_roundtrip() {
 
 static void test_data_compress_decompress_large() {
   size_t size = 1024 * 10;
-  char *original = malloc(size);
+  char* original = malloc(size);
   EXPECT_NOT_NULL(original);
   for (size_t i = 0; i < size; i++)
     original[i] = (char)(i % 256);
 
-  Data *original_data = data_create(original, size);
+  Data* original_data = data_create(original, size);
   EXPECT_NOT_NULL(original_data);
 
-  Data *compressed = data_compress(original_data, 1);
+  Data* compressed = data_compress(original_data, 1);
   EXPECT_NOT_NULL(compressed);
 
-  Data *decompressed = data_decompress(compressed);
+  Data* decompressed = data_decompress(compressed);
   EXPECT_NOT_NULL(decompressed);
   EXPECT_EQ_INT((int)decompressed->size, (int)size);
   EXPECT_EQ_INT(memcmp(decompressed->data, original, size), 0);
@@ -54,12 +54,12 @@ static void test_data_compress_decompress_large() {
 }
 
 static void test_chunk_compress_decompress_roundtrip() {
-  char *path1 = "temp_comp_test_1.txt";
+  char* path1 = "temp_comp_test_1.txt";
-  char *content1 = "chunk compression test file 1";
+  char* content1 = "chunk compression test file 1";
   unsigned long long len1 = strlen(content1);
 
-  char *path2 = "temp_comp_test_2.txt";
+  char* path2 = "temp_comp_test_2.txt";
-  char *content2 = "chunk compression test file 2 with more data";
+  char* content2 = "chunk compression test file 2 with more data";
   unsigned long long len2 = strlen(content2);
 
   to_disk(path1, content1, len1);
@@ -69,9 +69,9 @@ static void test_chunk_compress_decompress_roundtrip() {
   EXPECT_EQ_INT(stat(path1, &st1), 0);
   EXPECT_EQ_INT(stat(path2, &st2), 0);
 
-  File *f1 = file_create(path1);
+  File* f1 = file_create(path1);
   f1->data->size = st1.st_size;
-  File *f2 = file_create(path2);
+  File* f2 = file_create(path2);
   f2->data->size = st2.st_size;
   EXPECT_NOT_NULL(f1);
   EXPECT_NOT_NULL(f2);
@@ -79,17 +79,17 @@ static void test_chunk_compress_decompress_roundtrip() {
   file_load_data(f1);
   file_load_data(f2);
 
-  File *files[2] = {f1, f2};
+  File* files[2] = {f1, f2};
-  Chunk *chunk = chunk_create(files, 2);
+  Chunk* chunk = chunk_create(files, 2);
   EXPECT_NOT_NULL(chunk);
 
-  Data *compressed = chunk_compress(chunk, 3, false);
+  Data* compressed = chunk_compress(chunk, 3, false);
   EXPECT_NOT_NULL(compressed);
 
-  Data *decompressed_data = data_decompress(compressed);
+  Data* decompressed_data = data_decompress(compressed);
   EXPECT_NOT_NULL(decompressed_data);
 
-  Chunk *decompressed_chunk = chunk_deserialize(decompressed_data, false);
+  Chunk* decompressed_chunk = chunk_deserialize(decompressed_data, false);
   EXPECT_NOT_NULL(decompressed_chunk);
   EXPECT_EQ_INT(decompressed_chunk->element_count, 2);
 

tests/test_config.c

@@ -7,8 +7,8 @@
 #include <stdlib.h>
 
 static void test_config_lifecycle() {
-  Config *cfg = config_create(str_dup("1.0"), str_dup("/src"), str_dup("/dst"),
+  Config* cfg = config_create(str_dup("1.0"), str_dup("/src"), str_dup("/dst"), true, true, false,
-                              true, true, false, false, false, 1, false, 0);
+                              false, false, 1, false, 0);
   EXPECT_NOT_NULL(cfg);
   EXPECT_EQ_STR(cfg->version, "1.0");
   EXPECT_EQ_STR(cfg->send_directory, "/src");
@@ -23,8 +23,8 @@ static void test_config_lifecycle() {
 }
 
 static void test_config_ssh_dest() {
-  Config *cfg = config_create(str_dup("1.0"), str_dup("/src"), str_dup("user@host:/dst"),
+  Config* cfg = config_create(str_dup("1.0"), str_dup("/src"), str_dup("user@host:/dst"), true,
-                              true, false, false, false, false, 1, false, 0);
+                              false, false, false, false, 1, false, 0);
   EXPECT_NOT_NULL(cfg);
   EXPECT_EQ_INT(cfg->transport, TRANSPORT_TCP);
   EXPECT_NULL(cfg->ssh_destination);
@@ -38,8 +38,8 @@ static void test_config_ssh_dest() {
 }
 
 static void test_config_ssh_dest_local_path() {
-  Config *cfg = config_create(str_dup("1.0"), str_dup("/src"), str_dup("/local/path"),
+  Config* cfg = config_create(str_dup("1.0"), str_dup("/src"), str_dup("/local/path"), true, false,
-                              true, false, false, false, false, 1, false, 0);
+                              false, false, false, 1, false, 0);
   config_parse_ssh_dest(cfg);
   EXPECT_EQ_INT(cfg->transport, TRANSPORT_TCP);
   EXPECT_NULL(cfg->ssh_destination);
@@ -48,8 +48,8 @@ static void test_config_ssh_dest_local_path() {
 }
 
 static void test_config_ssh_dest_no_user() {
-  Config *cfg = config_create(str_dup("1.0"), str_dup("/src"), str_dup("host:/remote"),
+  Config* cfg = config_create(str_dup("1.0"), str_dup("/src"), str_dup("host:/remote"), true, false,
-                              true, false, false, false, false, 1, false, 0);
+                              false, false, false, 1, false, 0);
   config_parse_ssh_dest(cfg);
   EXPECT_EQ_INT(cfg->transport, TRANSPORT_SSH);
   EXPECT_EQ_STR(cfg->ssh_destination, "host:/remote");
@@ -58,12 +58,12 @@ static void test_config_ssh_dest_no_user() {
 }
 
 static void test_pipeline_sender_lifecycle() {
-  Config *cfg = config_create(str_dup("2.0"), str_dup("/src2"),
+  Config* cfg = config_create(str_dup("2.0"), str_dup("/src2"), str_dup("/dst2"), false, false,
-                              str_dup("/dst2"), false, false, true, true, false, 1, false, 0);
+                              true, true, false, 1, false, 0);
-  Queue *q1 = queue_create(5, NULL);
+  Queue* q1 = queue_create(5, NULL);
-  Queue *q2 = queue_create(15, NULL);
+  Queue* q2 = queue_create(15, NULL);
 
-  PipelineContextSender *pcs = pipeline_context_sender_create(cfg, q1, q2);
+  PipelineContextSender* pcs = pipeline_context_sender_create(cfg, q1, q2);
   EXPECT_NOT_NULL(pcs);
   EXPECT_EQ_STR(pcs->config->version, "2.0");
   EXPECT_EQ_INT(pcs->queue_scanner->capacity, 5);
@@ -75,11 +75,11 @@ static void test_pipeline_sender_lifecycle() {
 }
 
 static void test_pipeline_receiver_lifecycle() {
-  Config *cfg = config_create(str_dup("3.0"), str_dup("/src3"),
+  Config* cfg = config_create(str_dup("3.0"), str_dup("/src3"), str_dup("/dst3"), true, true, true,
-                              str_dup("/dst3"), true, true, true, true, false, 1, false, 0);
+                              true, false, 1, false, 0);
-  Queue *q = queue_create(20, NULL);
+  Queue* q = queue_create(20, NULL);
 
-  PipelineContextReceiver *pcr = pipeline_context_receiver_create(cfg, q, 42);
+  PipelineContextReceiver* pcr = pipeline_context_receiver_create(cfg, q, 42);
   EXPECT_NOT_NULL(pcr);
   EXPECT_EQ_STR(pcr->config->version, "3.0");
   EXPECT_EQ_INT(pcr->queue->capacity, 20);

tests/test_delta.c

@@ -4,7 +4,7 @@
 #include <stdlib.h>
 
 static void test_adler32_basic() {
-  const char *data = "Hello";
+  const char* data = "Hello";
   uint32_t h = delta_adler32(data, 5);
   EXPECT_TRUE(h != 0);
   uint32_t h2 = delta_adler32(data, 5);
@@ -12,15 +12,15 @@ static void test_adler32_basic() {
 }
 
 static void test_adler32_different_data() {
-  const char *a = "AAAA";
+  const char* a = "AAAA";
-  const char *b = "BBBB";
+  const char* b = "BBBB";
   uint32_t ha = delta_adler32(a, 4);
   uint32_t hb = delta_adler32(b, 4);
   EXPECT_TRUE(ha != hb);
 }
 
 static void test_xxhash32_basic() {
-  const char *data = "Hello";
+  const char* data = "Hello";
   uint32_t h = delta_xxhash32(data, 5);
   EXPECT_TRUE(h != 0);
   uint32_t h2 = delta_xxhash32(data, 5);
@@ -28,8 +28,8 @@ static void test_xxhash32_basic() {
 }
 
 static void test_xxhash32_different_data() {
-  const char *a = "AAAA";
+  const char* a = "AAAA";
-  const char *b = "BBBB";
+  const char* b = "BBBB";
   uint32_t ha = delta_xxhash32(a, 4);
   uint32_t hb = delta_xxhash32(b, 4);
   EXPECT_TRUE(ha != hb);
@@ -37,17 +37,18 @@ static void test_xxhash32_different_data() {
 
 static void test_signature_roundtrip() {
   char old_data[4096];
-  for (int i = 0; i < 4096; i++) old_data[i] = (char)(i % 256);
+  for (int i = 0; i < 4096; i++)
+    old_data[i] = (char)(i % 256);
 
-  DeltaSignature *sig = delta_signature_create(old_data, 4096, 1024);
+  DeltaSignature* sig = delta_signature_create(old_data, 4096, 1024);
   EXPECT_NOT_NULL(sig);
   EXPECT_EQ_INT((int)sig->block_count, 4);
   EXPECT_EQ_INT((int)sig->block_size, 1024);
 
-  Data *serialized = delta_signature_serialize(sig);
+  Data* serialized = delta_signature_serialize(sig);
   EXPECT_NOT_NULL(serialized);
 
-  DeltaSignature *deserialized = delta_signature_deserialize(serialized);
+  DeltaSignature* deserialized = delta_signature_deserialize(serialized);
   EXPECT_NOT_NULL(deserialized);
   EXPECT_EQ_INT((int)deserialized->block_count, (int)sig->block_count);
   EXPECT_EQ_INT((int)deserialized->block_size, (int)sig->block_size);
@@ -64,12 +65,13 @@ static void test_signature_roundtrip() {
 
 static void test_delta_identical_files() {
   char data[2048];
-  for (int i = 0; i < 2048; i++) data[i] = (char)(i % 128);
+  for (int i = 0; i < 2048; i++)
+    data[i] = (char)(i % 128);
 
-  DeltaSignature *sig = delta_signature_create(data, 2048, 512);
+  DeltaSignature* sig = delta_signature_create(data, 2048, 512);
   EXPECT_NOT_NULL(sig);
 
-  Delta *delta = delta_compute(data, 2048, sig, 512);
+  Delta* delta = delta_compute(data, 2048, sig, 512);
   EXPECT_NOT_NULL(delta);
 
   bool has_match = false;
@@ -105,10 +107,10 @@ static void test_delta_small_edit() {
   new_data[101] = 'Y';
   new_data[102] = 'Z';
 
-  DeltaSignature *sig = delta_signature_create(old_data, 4096, 1024);
+  DeltaSignature* sig = delta_signature_create(old_data, 4096, 1024);
   EXPECT_NOT_NULL(sig);
 
-  Delta *delta = delta_compute(new_data, 4096, sig, 1024);
+  Delta* delta = delta_compute(new_data, 4096, sig, 1024);
   EXPECT_NOT_NULL(delta);
 
   uint64_t total_literal = 0;
@@ -122,7 +124,7 @@ static void test_delta_small_edit() {
   EXPECT_TRUE(match_count > 0);
   EXPECT_TRUE(total_literal < 4096);
 
-  void *reconstructed = delta_apply(old_data, 4096, delta, 1024);
+  void* reconstructed = delta_apply(old_data, 4096, delta, 1024);
   EXPECT_NOT_NULL(reconstructed);
   EXPECT_EQ_INT(memcmp(reconstructed, new_data, 4096), 0);
 
@@ -139,10 +141,10 @@ static void test_delta_completely_different() {
     new_data[i] = (char)(i * 13 + 97);
   }
 
-  DeltaSignature *sig = delta_signature_create(old_data, 4096, 1024);
+  DeltaSignature* sig = delta_signature_create(old_data, 4096, 1024);
   EXPECT_NOT_NULL(sig);
 
-  Delta *delta = delta_compute(new_data, 4096, sig, 1024);
+  Delta* delta = delta_compute(new_data, 4096, sig, 1024);
   EXPECT_NOT_NULL(delta);
 
   bool has_match = false;
@@ -169,19 +171,19 @@ static void test_delta_serialize_roundtrip() {
   new_data[500] = 'A';
   new_data[501] = 'B';
 
-  DeltaSignature *sig = delta_signature_create(old_data, 4096, 1024);
+  DeltaSignature* sig = delta_signature_create(old_data, 4096, 1024);
-  Delta *delta = delta_compute(new_data, 4096, sig, 1024);
+  Delta* delta = delta_compute(new_data, 4096, sig, 1024);
   EXPECT_NOT_NULL(delta);
 
-  Data *serialized = delta_serialize(delta);
+  Data* serialized = delta_serialize(delta);
   EXPECT_NOT_NULL(serialized);
 
-  Delta *deserialized = delta_deserialize(serialized);
+  Delta* deserialized = delta_deserialize(serialized);
   EXPECT_NOT_NULL(deserialized);
   EXPECT_EQ_INT((int)deserialized->new_file_size, (int)delta->new_file_size);
   EXPECT_EQ_INT((int)deserialized->instruction_count, (int)delta->instruction_count);
 
-  void *reconstructed = delta_apply(old_data, 4096, deserialized, 1024);
+  void* reconstructed = delta_apply(old_data, 4096, deserialized, 1024);
   EXPECT_NOT_NULL(reconstructed);
   EXPECT_EQ_INT(memcmp(reconstructed, new_data, 4096), 0);
 
@@ -195,17 +197,19 @@ static void test_delta_serialize_roundtrip() {
 static void test_delta_file_growth() {
   char old_data[2048];
   char new_data[3072];
-  for (int i = 0; i < 2048; i++) old_data[i] = (char)(i % 256);
+  for (int i = 0; i < 2048; i++)
+    old_data[i] = (char)(i % 256);
   memcpy(new_data, old_data, 2048);
-  for (int i = 2048; i < 3072; i++) new_data[i] = (char)(i % 256);
+  for (int i = 2048; i < 3072; i++)
+    new_data[i] = (char)(i % 256);
 
-  DeltaSignature *sig = delta_signature_create(old_data, 2048, 512);
+  DeltaSignature* sig = delta_signature_create(old_data, 2048, 512);
   EXPECT_NOT_NULL(sig);
 
-  Delta *delta = delta_compute(new_data, 3072, sig, 512);
+  Delta* delta = delta_compute(new_data, 3072, sig, 512);
   EXPECT_NOT_NULL(delta);
 
-  void *reconstructed = delta_apply(old_data, 2048, delta, 512);
+  void* reconstructed = delta_apply(old_data, 2048, delta, 512);
   EXPECT_NOT_NULL(reconstructed);
   EXPECT_EQ_INT(delta->new_file_size, 3072);
   EXPECT_EQ_INT(memcmp(reconstructed, new_data, 3072), 0);
@@ -218,16 +222,18 @@ static void test_delta_file_growth() {
 static void test_delta_file_shrink() {
   char old_data[3072];
   char new_data[2048];
-  for (int i = 0; i < 3072; i++) old_data[i] = (char)(i % 256);
+  for (int i = 0; i < 3072; i++)
-  for (int i = 0; i < 2048; i++) new_data[i] = old_data[i];
+    old_data[i] = (char)(i % 256);
+  for (int i = 0; i < 2048; i++)
+    new_data[i] = old_data[i];
 
-  DeltaSignature *sig = delta_signature_create(old_data, 3072, 512);
+  DeltaSignature* sig = delta_signature_create(old_data, 3072, 512);
   EXPECT_NOT_NULL(sig);
 
-  Delta *delta = delta_compute(new_data, 2048, sig, 512);
+  Delta* delta = delta_compute(new_data, 2048, sig, 512);
   EXPECT_NOT_NULL(delta);
 
-  void *reconstructed = delta_apply(old_data, 3072, delta, 512);
+  void* reconstructed = delta_apply(old_data, 3072, delta, 512);
   EXPECT_NOT_NULL(reconstructed);
   EXPECT_EQ_INT(delta->new_file_size, 2048);
   EXPECT_EQ_INT(memcmp(reconstructed, new_data, 2048), 0);
@@ -273,24 +279,24 @@ static void test_large_file_delta() {
   uint64_t old_size = 200000;
   uint64_t new_size = 200000;
 
-  void *old_data = malloc((size_t)old_size);
+  void* old_data = malloc((size_t)old_size);
-  void *new_data = malloc((size_t)new_size);
+  void* new_data = malloc((size_t)new_size);
   EXPECT_TRUE(old_data != NULL && new_data != NULL);
 
   for (uint64_t i = 0; i < old_size; i++)
-    ((uint8_t *)old_data)[i] = (uint8_t)(i % 251);
+    ((uint8_t*)old_data)[i] = (uint8_t)(i % 251);
   memcpy(new_data, old_data, (size_t)old_size);
 
   uint64_t offset = 100000;
   uint32_t change_len = 4096;
   for (uint32_t i = 0; i < change_len; i++)
-    ((uint8_t *)new_data)[offset + i] = (uint8_t)((i * 7 + 13) % 256);
+    ((uint8_t*)new_data)[offset + i] = (uint8_t)((i * 7 + 13) % 256);
 
-  DeltaSignature *sig = delta_signature_create(old_data, old_size, block_size);
+  DeltaSignature* sig = delta_signature_create(old_data, old_size, block_size);
   EXPECT_TRUE(sig != NULL);
   EXPECT_TRUE(sig->block_count == (uint32_t)((old_size + block_size - 1) / block_size));
 
-  Delta *delta = delta_compute(new_data, new_size, sig, block_size);
+  Delta* delta = delta_compute(new_data, new_size, sig, block_size);
   EXPECT_TRUE(delta != NULL);
 
   uint64_t total_literal = 0;
@@ -301,10 +307,11 @@ static void test_large_file_delta() {
     else
       match_count++;
   }
+  EXPECT_TRUE(total_literal > 0);
   EXPECT_TRUE(match_count > 0);
   EXPECT_TRUE(delta->delta_size < new_size / 2);
 
-  void *result = delta_apply(old_data, old_size, delta, block_size);
+  void* result = delta_apply(old_data, old_size, delta, block_size);
   EXPECT_TRUE(result != NULL);
   EXPECT_TRUE(delta->new_file_size == new_size);
   EXPECT_TRUE(memcmp(result, new_data, (size_t)new_size) == 0);

tests/test_queue.c

@@ -7,12 +7,12 @@
 #include <stdio.h>
 
 static void test_queue_basic() {
-  Queue *q = queue_create(10, NULL);
+  Queue* q = queue_create(10, NULL);
   EXPECT_NOT_NULL(q);
   EXPECT_TRUE(queue_is_empty(q));
   EXPECT_FALSE(queue_is_full(q));
 
-  int *vals[5];
+  int* vals[5];
   for (int i = 0; i < 5; i++) {
     vals[i] = malloc(sizeof(int));
     *vals[i] = (i + 1) * 10;
@@ -23,19 +23,19 @@ static void test_queue_basic() {
   EXPECT_FALSE(queue_is_full(q));
   EXPECT_EQ_INT(q->size, 5);
 
-  int *v1 = (int *)queue_dequeue(q);
+  int* v1 = (int*)queue_dequeue(q);
   EXPECT_NOT_NULL(v1);
   EXPECT_EQ_INT(*v1, 10);
   free(v1);
 
-  int *v2 = (int *)queue_dequeue(q);
+  int* v2 = (int*)queue_dequeue(q);
   EXPECT_NOT_NULL(v2);
   EXPECT_EQ_INT(*v2, 20);
   free(v2);
 
   EXPECT_EQ_INT(q->size, 3);
 
-  int *vals2[3];
+  int* vals2[3];
   for (int i = 0; i < 3; i++) {
     vals2[i] = malloc(sizeof(int));
     *vals2[i] = (i + 6) * 10;
@@ -44,9 +44,9 @@ static void test_queue_basic() {
 
   EXPECT_EQ_INT(q->size, 6);
 
-  int expected_vals[] = {30, 40, 50, 60, 70, 80};
+  const int expected_vals[] = {30, 40, 50, 60, 70, 80};
   for (int i = 0; i < 6; i++) {
-    int *v = (int *)queue_dequeue(q);
+    int* v = (int*)queue_dequeue(q);
     EXPECT_NOT_NULL(v);
     EXPECT_EQ_INT(*v, expected_vals[i]);
     free(v);
@@ -57,7 +57,7 @@ static void test_queue_basic() {
 }
 
 static void test_queue_resize() {
-  Queue *q = queue_create(3, NULL);
+  Queue* q = queue_create(3, NULL);
   EXPECT_NOT_NULL(q);
   EXPECT_EQ_INT(q->capacity, 3);
 
@@ -69,7 +69,7 @@ static void test_queue_resize() {
 
   EXPECT_TRUE(queue_is_full(q));
 
-  int *v1 = (int *)queue_dequeue(q);
+  const int* v1 = (const int*)queue_dequeue(q);
   EXPECT_NOT_NULL(v1);
   EXPECT_EQ_INT(*v1, 1);
 
@@ -84,19 +84,19 @@ static void test_queue_resize() {
   EXPECT_EQ_INT(q->size, 4);
 
   // Dequeue all and check order: B, C, D, E
-  int *v2 = (int *)queue_dequeue(q);
+  const int* v2 = (const int*)queue_dequeue(q);
   EXPECT_NOT_NULL(v2);
   EXPECT_EQ_INT(*v2, 2);
 
-  int *v3 = (int *)queue_dequeue(q);
+  const int* v3 = (const int*)queue_dequeue(q);
   EXPECT_NOT_NULL(v3);
   EXPECT_EQ_INT(*v3, 3);
 
-  int *v4 = (int *)queue_dequeue(q);
+  const int* v4 = (const int*)queue_dequeue(q);
   EXPECT_NOT_NULL(v4);
   EXPECT_EQ_INT(*v4, 4);
 
-  int *v5 = (int *)queue_dequeue(q);
+  const int* v5 = (const int*)queue_dequeue(q);
   EXPECT_NOT_NULL(v5);
   EXPECT_EQ_INT(*v5, 5);
 
@@ -105,23 +105,23 @@ static void test_queue_resize() {
 }
 
 static int destroyer_calls = 0;
-static void my_destroyer(void *item) {
+static void my_destroyer(void* item) {
   destroyer_calls++;
   free(item);
 }
 
 static void test_queue_destroyer() {
   destroyer_calls = 0;
-  Queue *q = queue_create(5, my_destroyer);
+  Queue* q = queue_create(5, my_destroyer);
   EXPECT_NOT_NULL(q);
 
   for (int i = 0; i < 3; i++) {
-    int *val = malloc(sizeof(int));
+    int* val = malloc(sizeof(int));
     *val = i;
     queue_enqueue(q, val);
   }
 
-  int *v = (int *)queue_dequeue(q);
+  int* v = (int*)queue_dequeue(q);
   EXPECT_NOT_NULL(v);
   EXPECT_EQ_INT(*v, 0);
   free(v);
@@ -131,18 +131,19 @@ static void test_queue_destroyer() {
 }
 
 typedef struct {
-  Queue *q;
+  Queue* q;
-  mtx_t *mutex;
+  mtx_t* mutex;
-  cnd_t *cnd_empty;
+  cnd_t* cnd_empty;
-  cnd_t *cnd_full;
+  cnd_t* cnd_full;
   bool done;
   int sum;
 } ThreadContext;
 
-static int consumer_func(void *arg) {
+static int consumer_func(void* arg) {
-  ThreadContext *ctx = (ThreadContext *)arg;
+  ThreadContext* ctx = (ThreadContext*)arg;
   while (true) {
-    int *val = (int *)queue_dequeue_multithreaded(ctx->q, ctx->mutex, ctx->cnd_empty, ctx->cnd_full, &ctx->done);
+    int* val = (int*)queue_dequeue_multithreaded(ctx->q, ctx->mutex, ctx->cnd_empty, ctx->cnd_full,
+                                                 &ctx->done);
     if (val == NULL) {
       break;
     }
@@ -153,7 +154,7 @@ static int consumer_func(void *arg) {
 }
 
 static void test_queue_multithreaded() {
-  Queue *q = queue_create(2, NULL);
+  Queue* q = queue_create(2, NULL);
   mtx_t mutex;
   cnd_t cnd_empty;
   cnd_t cnd_full;
@@ -162,21 +163,19 @@ static void test_queue_multithreaded() {
   cnd_init(&cnd_empty);
   cnd_init(&cnd_full);
 
-  ThreadContext ctx = {
+  ThreadContext ctx = {.q = q,
-    .q = q,
                        .mutex = &mutex,
                        .cnd_empty = &cnd_empty,
                        .cnd_full = &cnd_full,
                        .done = false,
-    .sum = 0
+                       .sum = 0};
-  };
 
   thrd_t consumer;
   int res = thrd_create(&consumer, consumer_func, &ctx);
   EXPECT_EQ_INT(res, thrd_success);
 
   for (int i = 1; i <= 100; i++) {
-    int *val = malloc(sizeof(int));
+    int* val = malloc(sizeof(int));
     *val = i;
     queue_enqueue_multithreaded(q, val, &mutex, &cnd_empty, &cnd_full);
   }

tests/test_scanner.c

@@ -6,27 +6,28 @@
 #include <sys/stat.h>
 #include <unistd.h>
 
-static void create_test_file(const char *path, const char *content) {
+static void create_test_file(const char* path, const char* content) {
   (void)to_disk(path, content, strlen(content));
 }
 
 static void test_scanner_single_file() {
-  const char *dir = "test_scan_dir_single";
+  const char* dir = "test_scan_dir_single";
-  const char *file1 = "test_scan_dir_single/file1.txt";
+  const char* file1 = "test_scan_dir_single/file1.txt";
-  const char *content1 = "hello scanner";
+  const char* content1 = "hello scanner";
 
   mkdir(dir, 0755);
   create_test_file(file1, content1);
 
-  DirectoryScanner *scanner = directory_scanner_create((char *)dir, false, 0, NULL, 0, NULL, 0, 0, 0);
+  DirectoryScanner* scanner =
+      directory_scanner_create((char*)dir, false, 0, NULL, 0, NULL, 0, 0, 0);
   EXPECT_NOT_NULL(scanner);
 
-  Chunk *chunk = directory_scanner_next(scanner);
+  Chunk* chunk = directory_scanner_next(scanner);
   EXPECT_NOT_NULL(chunk);
   EXPECT_EQ_INT(chunk->element_count, 1);
   EXPECT_EQ_STR(chunk->items[0]->path, file1);
 
-  Chunk *next = directory_scanner_next(scanner);
+  const Chunk* next = directory_scanner_next(scanner);
   EXPECT_NULL(next);
 
   chunk_destroy(chunk);
@@ -36,35 +37,38 @@ static void test_scanner_single_file() {
 }
 
 static void test_scanner_multiple_files() {
-  const char *dir = "test_scan_dir_multi";
+  const char* dir = "test_scan_dir_multi";
-  const char *file1 = "test_scan_dir_multi/a.txt";
+  const char* file1 = "test_scan_dir_multi/a.txt";
-  const char *file2 = "test_scan_dir_multi/b.txt";
+  const char* file2 = "test_scan_dir_multi/b.txt";
-  const char *content1 = "alpha";
+  const char* content1 = "alpha";
-  const char *content2 = "beta";
+  const char* content2 = "beta";
 
   mkdir(dir, 0755);
   create_test_file(file1, content1);
   create_test_file(file2, content2);
 
-  DirectoryScanner *scanner = directory_scanner_create((char *)dir, false, 0, NULL, 0, NULL, 0, 0, 0);
+  DirectoryScanner* scanner =
+      directory_scanner_create((char*)dir, false, 0, NULL, 0, NULL, 0, 0, 0);
   EXPECT_NOT_NULL(scanner);
 
-  Chunk *chunk = directory_scanner_next(scanner);
+  const Chunk* chunk = directory_scanner_next(scanner);
   EXPECT_NOT_NULL(chunk);
   EXPECT_EQ_INT(chunk->element_count, 2);
 
   int found1 = 0, found2 = 0;
   for (int i = 0; i < chunk->element_count; i++) {
-    if (strcmp(chunk->items[i]->path, file1) == 0) found1 = 1;
+    if (strcmp(chunk->items[i]->path, file1) == 0)
-    if (strcmp(chunk->items[i]->path, file2) == 0) found2 = 1;
+      found1 = 1;
+    if (strcmp(chunk->items[i]->path, file2) == 0)
+      found2 = 1;
   }
   EXPECT_TRUE(found1);
   EXPECT_TRUE(found2);
 
-  Chunk *next = directory_scanner_next(scanner);
+  const Chunk* next = directory_scanner_next(scanner);
   EXPECT_NULL(next);
 
-  chunk_destroy(chunk);
+  chunk_destroy((void*)chunk);
   directory_scanner_destroy(scanner);
   unlink(file1);
   unlink(file2);
@@ -72,22 +76,23 @@ static void test_scanner_multiple_files() {
 }
 
 static void test_scanner_subdirectory() {
-  const char *root = "test_scan_sub";
+  const char* root = "test_scan_sub";
-  const char *sub = "test_scan_sub/sub";
+  const char* sub = "test_scan_sub/sub";
-  const char *root_file = "test_scan_sub/root.txt";
+  const char* root_file = "test_scan_sub/root.txt";
-  const char *sub_file = "test_scan_sub/sub/sub_file.txt";
+  const char* sub_file = "test_scan_sub/sub/sub_file.txt";
-  const char *content = "nested content";
+  const char* content = "nested content";
 
   mkdir(root, 0755);
   mkdir(sub, 0755);
   create_test_file(root_file, content);
   create_test_file(sub_file, content);
 
-  DirectoryScanner *scanner = directory_scanner_create((char *)root, false, 0, NULL, 0, NULL, 0, 0, 0);
+  DirectoryScanner* scanner =
+      directory_scanner_create((char*)root, false, 0, NULL, 0, NULL, 0, 0, 0);
   EXPECT_NOT_NULL(scanner);
 
   int total_files = 0;
-  Chunk *chunk;
+  Chunk* chunk;
   while ((chunk = directory_scanner_next(scanner)) != NULL) {
     total_files += chunk->element_count;
     chunk_destroy(chunk);
@@ -102,14 +107,15 @@ static void test_scanner_subdirectory() {
 }
 
 static void test_scanner_empty_directory() {
-  const char *dir = "test_scan_empty";
+  const char* dir = "test_scan_empty";
 
   mkdir(dir, 0755);
 
-  DirectoryScanner *scanner = directory_scanner_create((char *)dir, false, 0, NULL, 0, NULL, 0, 0, 0);
+  DirectoryScanner* scanner =
+      directory_scanner_create((char*)dir, false, 0, NULL, 0, NULL, 0, 0, 0);
   EXPECT_NOT_NULL(scanner);
 
-  Chunk *chunk = directory_scanner_next(scanner);
+  const Chunk* chunk = directory_scanner_next(scanner);
   EXPECT_NULL(chunk);
 
   directory_scanner_destroy(scanner);

tests/test_shared_utils.c

@@ -6,56 +6,56 @@
 
 void test_shared_utils() {
   // Test str_dup
-  char *dup_null = str_dup(NULL);
+  const char* dup_null = str_dup(NULL);
   EXPECT_NULL(dup_null);
 
-  char *dup_empty = str_dup("");
+  char* dup_empty = str_dup("");
   EXPECT_NOT_NULL(dup_empty);
   EXPECT_EQ_STR(dup_empty, "");
   free(dup_empty);
 
-  char *dup_normal = str_dup("hello world");
+  char* dup_normal = str_dup("hello world");
   EXPECT_NOT_NULL(dup_normal);
   EXPECT_EQ_STR(dup_normal, "hello world");
   free(dup_normal);
 
   // Test path_cat
-  char *cat1 = path_cat("/foo", "/bar");
+  char* cat1 = path_cat("/foo", "/bar");
   EXPECT_NOT_NULL(cat1);
   EXPECT_EQ_STR(cat1, "/foo/bar");
   free(cat1);
 
-  char *cat2 = path_cat("/foo/", "/bar");
+  char* cat2 = path_cat("/foo/", "/bar");
   EXPECT_NOT_NULL(cat2);
   EXPECT_EQ_STR(cat2, "/foo/bar");
   free(cat2);
 
-  char *cat3 = path_cat("/foo", "bar");
+  char* cat3 = path_cat("/foo", "bar");
   EXPECT_NOT_NULL(cat3);
   EXPECT_EQ_STR(cat3, "/foo/bar");
   free(cat3);
 
-  char *cat4 = path_cat("/foo/", "bar");
+  char* cat4 = path_cat("/foo/", "bar");
   EXPECT_NOT_NULL(cat4);
   EXPECT_EQ_STR(cat4, "/foo/bar");
   free(cat4);
 
-  char *cat_empty1 = path_cat("", "/bar");
+  char* cat_empty1 = path_cat("", "/bar");
   EXPECT_NOT_NULL(cat_empty1);
   EXPECT_EQ_STR(cat_empty1, "/bar");
   free(cat_empty1);
 
-  char *cat_empty2 = path_cat("/foo", "");
+  char* cat_empty2 = path_cat("/foo", "");
   EXPECT_NOT_NULL(cat_empty2);
   EXPECT_EQ_STR(cat_empty2, "/foo");
   free(cat_empty2);
 
-  char *cat_null1 = path_cat(NULL, "/bar");
+  char* cat_null1 = path_cat(NULL, "/bar");
   EXPECT_NOT_NULL(cat_null1);
   EXPECT_EQ_STR(cat_null1, "/bar");
   free(cat_null1);
 
-  char *cat_null2 = path_cat("/foo", NULL);
+  char* cat_null2 = path_cat("/foo", NULL);
   EXPECT_NOT_NULL(cat_null2);
   EXPECT_EQ_STR(cat_null2, "/foo");
   free(cat_null2);

tests/test_utils.h

@@ -29,7 +29,8 @@ extern bool current_test_failed;
 #define EXPECT_TRUE(condition)                                                                     \
   do {                                                                                             \
     if (!(condition)) {                                                                            \
-      printf("    \033[1;31m[FAIL]\033[0m %s:%d: Assertion failed: %s is false\n", __FILE__, __LINE__, #condition); \
+      printf("    \033[1;31m[FAIL]\033[0m %s:%d: Assertion failed: %s is false\n", __FILE__,       \
+             __LINE__, #condition);                                                                \
       current_test_failed = true;                                                                  \
       return;                                                                                      \
     }                                                                                              \
@@ -38,7 +39,8 @@ extern bool current_test_failed;
 #define EXPECT_FALSE(condition)                                                                    \
   do {                                                                                             \
     if (condition) {                                                                               \
-      printf("    \033[1;31m[FAIL]\033[0m %s:%d: Assertion failed: %s is true\n", __FILE__, __LINE__, #condition); \
+      printf("    \033[1;31m[FAIL]\033[0m %s:%d: Assertion failed: %s is true\n", __FILE__,        \
+             __LINE__, #condition);                                                                \
       current_test_failed = true;                                                                  \
       return;                                                                                      \
     }                                                                                              \
@@ -49,7 +51,8 @@ extern bool current_test_failed;
     int act = (actual);                                                                            \
     int exp = (expected);                                                                          \
     if (act != exp) {                                                                              \
-      printf("    \033[1;31m[FAIL]\033[0m %s:%d: Expected %d, got %d\n", __FILE__, __LINE__, exp, act); \
+      printf("    \033[1;31m[FAIL]\033[0m %s:%d: Expected %d, got %d\n", __FILE__, __LINE__, exp,  \
+             act);                                                                                 \
       current_test_failed = true;                                                                  \
       return;                                                                                      \
     }                                                                                              \
@@ -57,8 +60,8 @@ extern bool current_test_failed;
 
 #define EXPECT_EQ_STR(actual, expected)                                                            \
   do {                                                                                             \
-    const char *act = (actual); \
+    const char* act = (actual);                                                                    \
-    const char *exp = (expected); \
+    const char* exp = (expected);                                                                  \
     if (act == NULL || exp == NULL) {                                                              \
       if (act != exp) {                                                                            \
         printf("    \033[1;31m[FAIL]\033[0m %s:%d: Expected %s, got %s\n", __FILE__, __LINE__,     \
@@ -67,7 +70,8 @@ extern bool current_test_failed;
         return;                                                                                    \
       }                                                                                            \
     } else if (strcmp(act, exp) != 0) {                                                            \
-      printf("    \033[1;31m[FAIL]\033[0m %s:%d: Expected \"%s\", got \"%s\"\n", __FILE__, __LINE__, exp, act); \
+      printf("    \033[1;31m[FAIL]\033[0m %s:%d: Expected \"%s\", got \"%s\"\n", __FILE__,         \
+             __LINE__, exp, act);                                                                  \
       current_test_failed = true;                                                                  \
       return;                                                                                      \
     }                                                                                              \
@@ -76,7 +80,8 @@ extern bool current_test_failed;
 #define EXPECT_NOT_NULL(ptr)                                                                       \
   do {                                                                                             \
     if ((ptr) == NULL) {                                                                           \
-      printf("    \033[1;31m[FAIL]\033[0m %s:%d: Expected non-null pointer, got NULL\n", __FILE__, __LINE__); \
+      printf("    \033[1;31m[FAIL]\033[0m %s:%d: Expected non-null pointer, got NULL\n", __FILE__, \
+             __LINE__);                                                                            \
       current_test_failed = true;                                                                  \
       return;                                                                                      \
     }                                                                                              \
@@ -85,7 +90,8 @@ extern bool current_test_failed;
 #define EXPECT_NULL(ptr)                                                                           \
   do {                                                                                             \
     if ((ptr) != NULL) {                                                                           \
-      printf("    \033[1;31m[FAIL]\033[0m %s:%d: Expected NULL, got %p\n", __FILE__, __LINE__, (void*)(ptr)); \
+      printf("    \033[1;31m[FAIL]\033[0m %s:%d: Expected NULL, got %p\n", __FILE__, __LINE__,     \
+             (void*)(ptr));                                                                        \
       current_test_failed = true;                                                                  \
       return;                                                                                      \
     }                                                                                              \