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45 lines
1.0 KiB
C
45 lines
1.0 KiB
C
#include "data.h"
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#include "log.h"
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#include "stdlib.h"
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Data* data_create_empty(size_t data_size) {
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/* malloc(0) is UB; allocate at least 1 byte but preserve requested size */
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size_t alloc_size = data_size > 0 ? data_size : 1;
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void* data = malloc(alloc_size);
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if (data == NULL) {
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log_message(LOG_LEVEL_ERROR, "Could not allocate memory for empty data");
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return NULL;
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}
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return data_create(data, data_size);
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}
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Data* data_create_reserve(size_t size) {
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Data* d = malloc(sizeof(Data));
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if (d == NULL) {
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log_message(LOG_LEVEL_ERROR, "Could not allocate memory for data");
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return NULL;
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}
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d->data = NULL;
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d->size = size;
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return d;
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}
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Data* data_create(void* data, size_t data_size) {
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Data* new_data = malloc(sizeof(Data));
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if (new_data == NULL) {
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log_message(LOG_LEVEL_ERROR, "Could not allocate memory for data");
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free(data);
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return NULL;
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}
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new_data->data = data;
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new_data->size = data_size;
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return new_data;
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}
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void data_destroy(Data* data) {
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if (data == NULL)
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return;
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free(data->data);
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free(data);
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}
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