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add vec_clear

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This commit is contained in:
Evan Burkey
2025-02-26 15:32:19 -08:00
parent ba6e929b4f
commit f9a9f82a95
3 changed files with 33 additions and 17 deletions
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21
src/vector.c
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@ -34,7 +34,11 @@ int vec_init_with_capacity(Vector *vec, void (*destroy)(void *data), size_t capa
}
static int vec_grow(Vector *const vec) {
vec->capacity *= 2;
if (vec->capacity == 0) {
vec->capacity = 1;
} else {
vec->capacity *= 2;
}
vec->elements = reallocarray(vec->elements, vec->capacity, sizeof(void *));
@ -44,15 +48,25 @@ static int vec_grow(Vector *const vec) {
return 0;
}
void vec_clear(Vector *vec) {
vec_destroy(vec);
vec_init(vec, vec->destroy);
}
void vec_destroy(Vector *vec) {
if (vec->destroy) {
for (size_t i = 0; i < vec_len(vec); ++i) {
vec->destroy(vec->elements[i]);
}
}
free(vec->elements);
}
int vec_insert(Vector *vec, void *data, size_t index) {
if (index > vec_len(vec)) {
return -1;
}
if (vec_len(vec) + 1 >= vec->capacity) {
if (vec_grow(vec) != 0) {
return -1;
@ -81,10 +95,7 @@ int vec_insert(Vector *vec, void *data, size_t index) {
return 0;
}
int vec_push(Vector *vec, void *data, size_t *index) {
if (index != NULL) {
*index = vec_len(vec);
}
int vec_push(Vector *vec, void *data) {
return vec_insert(vec, data, vec_len(vec));
}