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add vec_grow_to

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This commit is contained in:
Evan Burkey
2025-02-26 16:03:55 -08:00
parent f9a9f82a95
commit 9d03411979
3 changed files with 26 additions and 8 deletions
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28
src/vector.c
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@ -33,14 +33,9 @@ int vec_init_with_capacity(Vector *vec, void (*destroy)(void *data), size_t capa
return 0;
}
static int vec_grow(Vector *const vec) {
if (vec->capacity == 0) {
vec->capacity = 1;
} else {
vec->capacity *= 2;
}
vec->elements = reallocarray(vec->elements, vec->capacity, sizeof(void *));
static int vec_expand(Vector *vec, size_t new_cap) {
vec->capacity = new_cap;
vec->elements = reallocarray(vec->elements, new_cap, sizeof(void *));
if (vec->elements == NULL) {
return -1;
@ -48,6 +43,23 @@ static int vec_grow(Vector *const vec) {
return 0;
}
static int vec_grow(Vector *const vec) {
size_t new_cap;
if (vec->capacity == 0) {
new_cap = VEC_INIT_CAP; ;
} else {
new_cap = vec->capacity * 2;
}
return vec_expand(vec, new_cap);
}
int vec_grow_to(Vector *vec, const size_t new_cap) {
if (vec->capacity > new_cap) {
return -1;
}
return vec_expand(vec, new_cap);
}
void vec_clear(Vector *vec) {
vec_destroy(vec);
vec_init(vec, vec->destroy);