Function send_sideband

sideband.c:439–462

* fd is connected to the remote side; send the sideband data * over multiplexed packet stream. */

 * over multiplexed packet stream.
 */
void send_sideband(int fd, int band, const char *data, ssize_t sz, int packet_max)
{
	const char *p = data;

	while (sz) {
		unsigned n;
		char hdr[5];

		n = sz;
		if (packet_max - 5 < n)
			n = packet_max - 5;
		if (0 <= band) {
			xsnprintf(hdr, sizeof(hdr), "%04x", n + 5);
			hdr[4] = band;
			write_or_die(fd, hdr, 5);
		} else {
			xsnprintf(hdr, sizeof(hdr), "%04x", n + 4);
			write_or_die(fd, hdr, 4);
		}
		write_or_die(fd, p, n);
		p += n;
		sz -= n;
	}
}