diff options
Diffstat (limited to 'sideband.c')
| -rw-r--r-- | sideband.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/sideband.c b/sideband.c index 899b1ff366..d5ffa1c891 100644 --- a/sideband.c +++ b/sideband.c @@ -135,9 +135,14 @@ ssize_t send_sideband(int fd, int band, const char *data, ssize_t sz, int packet n = sz; if (packet_max - 5 < n) n = packet_max - 5; - sprintf(hdr, "%04x", n + 5); - hdr[4] = band; - safe_write(fd, hdr, 5); + if (0 <= band) { + sprintf(hdr, "%04x", n + 5); + hdr[4] = band; + safe_write(fd, hdr, 5); + } else { + sprintf(hdr, "%04x", n + 4); + safe_write(fd, hdr, 4); + } safe_write(fd, p, n); p += n; sz -= n; |