Function wire_sync_read

wire/wire_sync.c:22–37

}

u8 *wire_sync_read(const tal_t *ctx, int fd)
{
	wire_len_t len;
	u8 *msg;

	if (!read_all(fd, &len, sizeof(len)))
		return NULL;
	if (wirelen_to_cpu(len) >= WIRE_LEN_LIMIT) {
		errno = E2BIG;
		return NULL;
	}
	msg = tal_arr(ctx, u8, wirelen_to_cpu(len));
	if (!read_all(fd, msg, wirelen_to_cpu(len)))
		return tal_free(msg);
	return msg;
}