HideyoshiNakazone/dynamic_array
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refactor: update CMake configuration and add clang-format file
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Vitor Hideyoshi
2026-04-15 18:02:24 -03:00
parent 7940c4a86e
commit c4e7627d1f
5 changed files with 171 additions and 451 deletions
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77
src/dynamic_array.h
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@@ -7,59 +7,64 @@
#define DYNAMIC_ARRAY_VERSION ((DYNAMIC_ARRAY_VERSION_MAJOR << 16) | (DYNAMIC_ARRAY_VERSION_MINOR << 8) | DYNAMIC_ARRAY_VERSION_BUILD)
#include <stddef.h>
#include <stdlib.h>
#define DYNAMIC_ARRAY_DEFAULT_ARRAY_SIZE 10
#define DYNAMIC_ARRAY_CAPACITY_FACTOR 2
// [ HEADER | ARRAY ELEMENTS ]
// ↑
// THIS IS THE POINTER RETURNED BY ALL MACROS
typedef struct {
void *value;
size_t element_size;
size_t size;
size_t capacity;
} Array;
} ArrayHeader;
typedef struct {
int initial_size;
size_t element_size;
} ArrayCreateOptions;
#define array_create(arr) \
do { \
ArrayHeader *header = malloc(sizeof(*arr) * DYNAMIC_ARRAY_DEFAULT_ARRAY_SIZE + sizeof(ArrayHeader)); \
header->size = 0; \
header->capacity = DYNAMIC_ARRAY_DEFAULT_ARRAY_SIZE; \
\
arr = (void *)(header + 1); \
} while(0)
#define DYNAMIC_ARRAY_DEFAULT_ARRAY_CREATE_OPTIONS \
(ArrayCreateOptions){ DYNAMIC_ARRAY_DEFAULT_ARRAY_SIZE, sizeof(int) }
Array *array_create(const ArrayCreateOptions *options);
#define array_get_header(arr) ((ArrayHeader*)(arr) - 1)
void array_deconstructor(Array **pp_array);
#define array_destroy(arr) \
do { \
free(array_get_header(arr)); \
arr = NULL; \
} while (0)
void array_resize(Array *p_array, size_t new_size);
#define array_push_value(arr, value) \
do { \
ArrayHeader *header = array_get_header(arr); \
if (header->size + 1 > header->capacity) { \
size_t new_capacity = header->capacity * DYNAMIC_ARRAY_CAPACITY_FACTOR; \
ArrayHeader *new_header = realloc(header, sizeof(*arr) * new_capacity + sizeof(ArrayHeader)); \
if (new_header != NULL) { \
header = new_header; \
} \
header->capacity = new_capacity; \
arr = (void *)(header + 1); \
} \
arr[header->size] = value; \
header->size++; \
} while (0)
void *array_get_value(const Array *p_array, size_t index);
void array_set_value(Array *p_array, size_t index, const void *value);
size_t array_get_size(const Array *p_array);
size_t array_get_capacity(const Array *p_array);
#define array_get_value_as(type, arr, idx) \
(sizeof(type) == (arr)->element_size) ? \
(type*)array_get_value(arr, idx) : \
NULL
#define array_set_value_as(type, arr, idx, value) \
((sizeof(type) == (arr)->element_size) ? \
(array_set_value((arr), (idx), (value)), 0) : \
-1)
#define array_pop(arr) \
do { \
ArrayHeader *header = array_get_header(arr); \
header->size--; \
} while (0)
#endif