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#include "first.h"
#include "vector.h"
#include <stdlib.h>
#include <string.h>
void vector_free(void *data) { free(data); }
void *vector_malloc(size_t sz) { return malloc(sz); }
void *vector_realloc(void *data, size_t elem_size, size_t size, size_t used) {
const size_t total_size = elem_size * size;
const size_t used_size = elem_size * used;
force_assert(size <= SIZE_MAX / elem_size);
data = realloc(data, total_size);
force_assert(NULL != data);
/* clear new memory */
memset(((char*)data) + used_size, 0, total_size - used_size);
return data;
}
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