Revert "Merge pull request 'Fix memory/null safety bugs (#74, #72, #69, #64, #60, #50, #49, #65)' (#80) from fix/memory-safety into main"

This reverts commit ddfdb3825a, reversing
changes made to 504a3a4d4f.

src/shared/data.c

@@ -3,9 +3,7 @@
 #include "stdlib.h"
 
 Data* data_create_empty(size_t data_size) {
-  /* malloc(0) is UB; allocate at least 1 byte but preserve requested size */
-  size_t alloc_size = data_size > 0 ? data_size : 1;
-  void* data = malloc(alloc_size);
+  void* data = malloc(data_size);
   if (data == NULL) {
     log_message(LOG_LEVEL_ERROR, "Could not allocate memory for empty data");
     return NULL;