mrsh/array.c -rw-r--r-- 860 bytes View raw
                                                                                
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#include <assert.h>
#include <mrsh/array.h>
#include <stdlib.h>

#define INITIAL_SIZE 8

bool mrsh_array_reserve(struct mrsh_array *array, size_t new_cap) {
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if (array->cap >= new_cap) { return true; } void *new_data = realloc(array->data, new_cap * sizeof(void *)); if (new_data == NULL) { return false; } array->data = new_data; array->cap = new_cap; return true; } ssize_t mrsh_array_add(struct mrsh_array *array, void *value) {
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assert(array->len <= array->cap); if (array->len == array->cap) { size_t new_cap = 2 * array->cap; if (new_cap < INITIAL_SIZE) { new_cap = INITIAL_SIZE; } if (!mrsh_array_reserve(array, new_cap)) { return -1; } } size_t i = array->len; array->data[i] = value; array->len++; return i; } void mrsh_array_finish(struct mrsh_array *array) {
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free(array->data); array->cap = array->len = 0; }