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| author | Martin Mares <mj@ucw.cz> | 1998-11-16 22:41:21 +0100 |
|---|---|---|
| committer | Martin Mares <mj@ucw.cz> | 1998-11-16 22:41:21 +0100 |
| commit | 9158ca99f740d5b1b50d233e0f64e61504dc6fdf (patch) | |
| tree | 933f73173115d47e32adaa9fedeea3f4d0856473 /sysdep/unix/log.c | |
| parent | 53a416d376a16b2091dce898a16600b0cd27c348 (diff) | |
| download | bird-9158ca99f740d5b1b50d233e0f64e61504dc6fdf.tar bird-9158ca99f740d5b1b50d233e0f64e61504dc6fdf.zip | |
Complain loudly if the logging buffer would overflow.
Diffstat (limited to 'sysdep/unix/log.c')
| -rw-r--r-- | sysdep/unix/log.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/sysdep/unix/log.c b/sysdep/unix/log.c index b9077c7..00589a3 100644 --- a/sysdep/unix/log.c +++ b/sysdep/unix/log.c @@ -50,8 +50,11 @@ bvfprintf(FILE *f, char *fmt, va_list args) char buf[4096]; int n; - n = bvsprintf(buf, fmt, args); - fwrite(buf, n, sizeof(char), f); + n = bvsnprintf(buf, sizeof(buf), fmt, args); + if (n >= 0) + fwrite(buf, n, sizeof(char), f); + else + fprintf(stderr, "BIRD: warning: logging buffer overflow!\n"); } static void |