C++ (Cpp) gu_mem_buf_free Examples

Example #1

File: map.c Project: creswick/GF

static void
gu_map_finalize(GuFinalizer* fin)
{
	GuMap* map = gu_container(fin, GuMap, fin);
	gu_mem_buf_free(map->data.keys);
	if (map->value_size) {
		gu_mem_buf_free(map->data.values);
	}
}

Example #2

File: seq.c Project: McMbuvi/GF

static void
gu_buf_fini(GuFinalizer* fin)
{
	GuBuf* buf = gu_container(fin, GuBuf, fin);
	gu_mem_buf_free(buf->data);
}

Example #3

File: map.c Project: creswick/GF

static void
gu_map_resize(GuMap* map)
{
	GuMapData* data = &map->data;
	GuMapData old_data = *data;
	size_t req_entries =
		gu_twin_prime_sup(GU_MAX(11, map->data.n_occupied * 4 / 3 + 1));

	size_t key_size = map->key_size;
	size_t key_alloc = 0;
	data->keys = gu_mem_buf_alloc(req_entries * key_size, &key_alloc);

	size_t value_size = map->value_size;
	size_t value_alloc = 0;
	if (value_size) {
		data->values = gu_mem_buf_alloc(req_entries * value_size,
						    &value_alloc);
		memset(data->values, 0, value_alloc);
	}
	
	data->n_entries = gu_twin_prime_inf(value_size ?
					    GU_MIN(key_alloc / key_size,
						   value_alloc / value_size)
					    : key_alloc / key_size);
	switch (map->kind) {
	case GU_MAP_GENERIC:
	case GU_MAP_WORD:
		memset(data->keys, 0, key_alloc);
		break;
	case GU_MAP_ADDR:
		for (size_t i = 0; i < data->n_entries; i++) {
			((const void**)data->keys)[i] = NULL;
		}
		break;
	case GU_MAP_STRING:
		for (size_t i = 0; i < data->n_entries; i++) {
			((GuString*)data->keys)[i] = NULL;
		}
		break;
	default:
		gu_impossible();
	}

	gu_assert(data->n_entries > data->n_occupied);
	
	data->n_occupied = 0;
	data->zero_idx = SIZE_MAX;

	for (size_t i = 0; i < old_data.n_entries; i++) {
		if (gu_map_entry_is_free(map, &old_data, i)) {
			continue;
		}
		void* old_key = &old_data.keys[i * key_size];
		if (map->kind == GU_MAP_ADDR) {
			old_key = *(void**)old_key;
		} else if (map->kind == GU_MAP_STRING) {
			old_key = (void*) *(GuString*)old_key;
		}
		void* old_value = &old_data.values[i * value_size];

		memcpy(gu_map_insert(map, old_key),
		       old_value, map->value_size);
	}

	gu_mem_buf_free(old_data.keys);
	if (value_size) {
		gu_mem_buf_free(old_data.values);
	}
}