Function bin_push_str

bin_interface.c:171–198

* copies the given string at the end position in the packet * allows null strings (NULL content or NULL param) * * @return: * > 0: success, the size of the packet * < 0: internal buffer limit reached */

 *		< 0: internal buffer limit reached
 */
int bin_push_str(bin_packet_t *packet, const str *info)
{
	if (!packet->buffer.s || !packet->size) {
		LM_ERR("not initialized yet, call bin_init before altering buffer\n");
		return -1;
	}

	if (packet->buffer.len + LEN_FIELD_SIZE + (info ? info->len : 0) > packet->size) {
		if (bin_extend(packet, LEN_FIELD_SIZE + (info ? info->len : 0)) < 0)
			return -1;
	}

	if (!info || info->len == 0 || !info->s) {
		memset(packet->buffer.s + packet->buffer.len, 0, LEN_FIELD_SIZE);
		packet->buffer.len += LEN_FIELD_SIZE;

		set_len(packet);
		return packet->buffer.len;
	}

	memcpy(packet->buffer.s + packet->buffer.len, &info->len, LEN_FIELD_SIZE);
	packet->buffer.len += LEN_FIELD_SIZE;
	memcpy(packet->buffer.s + packet->buffer.len, info->s, info->len);
	packet->buffer.len += info->len;

	set_len(packet);
	return packet->buffer.len;
}

/*
 * adds a new integer value at the end position in the packet