diff options
Diffstat (limited to 'sideband.c')
| -rw-r--r-- | sideband.c | 30 |
1 files changed, 16 insertions, 14 deletions
diff --git a/sideband.c b/sideband.c index cca3360546..d5ffa1c891 100644 --- a/sideband.c +++ b/sideband.c @@ -19,7 +19,7 @@ #define FIX_SIZE 10 /* large enough for any of the above */ -int recv_sideband(const char *me, int in_stream, int out, int err) +int recv_sideband(const char *me, int in_stream, int out) { unsigned pf = strlen(PREFIX); unsigned sf; @@ -41,8 +41,7 @@ int recv_sideband(const char *me, int in_stream, int out, int err) if (len == 0) break; if (len < 1) { - len = sprintf(buf, "%s: protocol error: no band designator\n", me); - safe_write(err, buf, len); + fprintf(stderr, "%s: protocol error: no band designator\n", me); return SIDEBAND_PROTOCOL_ERROR; } band = buf[pf] & 0xff; @@ -50,8 +49,8 @@ int recv_sideband(const char *me, int in_stream, int out, int err) switch (band) { case 3: buf[pf] = ' '; - buf[pf+1+len] = '\n'; - safe_write(err, buf, pf+1+len+1); + buf[pf+1+len] = '\0'; + fprintf(stderr, "%s\n", buf); return SIDEBAND_REMOTE_ERROR; case 2: buf[pf] = ' '; @@ -95,12 +94,12 @@ int recv_sideband(const char *me, int in_stream, int out, int err) memcpy(save, b + brk, sf); b[brk + sf - 1] = b[brk - 1]; memcpy(b + brk - 1, suffix, sf); - safe_write(err, b, brk + sf); + fprintf(stderr, "%.*s", brk + sf, b); memcpy(b + brk, save, sf); len -= brk; } else { int l = brk ? brk : len; - safe_write(err, b, l); + fprintf(stderr, "%.*s", l, b); len -= l; } @@ -112,10 +111,8 @@ int recv_sideband(const char *me, int in_stream, int out, int err) safe_write(out, buf + pf+1, len); continue; default: - len = sprintf(buf, - "%s: protocol error: bad band #%d\n", - me, band); - safe_write(err, buf, len); + fprintf(stderr, "%s: protocol error: bad band #%d\n", + me, band); return SIDEBAND_PROTOCOL_ERROR; } } @@ -138,9 +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; |