56 lines
971 B
C
56 lines
971 B
C
#include "dynarray.h"
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struct dyn_array {
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char **array;
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size_t size;
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size_t capacity;
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};
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DynArray *dynarray_init(size_t initial_capacity) {
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DynArray *da = malloc(sizeof(DynArray));
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da->size = 0;
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da->capacity = initial_capacity;
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return da;
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}
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void dynarray_add(DynArray *da, const char *s) {
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// An empty dynarray does not have an allocated internal array yet
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if (da->size == 0) {
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da->array = malloc(sizeof(char*) * da->capacity);
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}
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// Double array size if it's full
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else if (da->size == da->capacity) {
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da->array = realloc(da->array, da->capacity * 2);
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da->capacity *= 2;
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}
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da->array[da->size] = strdup(s);
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da->size++;
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}
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void dynarray_free(DynArray *da) {
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if (da == NULL) {
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return;
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}
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if (da->array != NULL) {
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for (size_t i = 0; i < da->size; i++) {
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free(da->array[i]);
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}
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free(da->array);
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}
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free(da);
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}
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char **dynarray_convert(DynArray *da) {
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char **array = da->array;
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da->array = NULL;
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dynarray_free(da);
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return array;
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}
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