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author | 2005-03-08 15:38:46 +0000 | |
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committer | 2005-03-08 15:38:46 +0000 | |
commit | 939b4bb171309e3351e6e7c00ee6fd6d3d498c3e (patch) | |
tree | 8bef2dfa90278f25d417f40a0625950cd5f01348 /lib/libc/gen/syslog.c | |
parent | Some more real-life regression cases. (diff) | |
download | wireguard-openbsd-939b4bb171309e3351e6e7c00ee6fd6d3d498c3e.tar.xz wireguard-openbsd-939b4bb171309e3351e6e7c00ee6fd6d3d498c3e.zip |
handle snprintf() returning -1.
ok cloder@ henning@ hshoexer@
Diffstat (limited to 'lib/libc/gen/syslog.c')
-rw-r--r-- | lib/libc/gen/syslog.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/libc/gen/syslog.c b/lib/libc/gen/syslog.c index 890209055f0..fdd10b76b9d 100644 --- a/lib/libc/gen/syslog.c +++ b/lib/libc/gen/syslog.c @@ -28,7 +28,7 @@ */ #if defined(LIBC_SCCS) && !defined(lint) -static char rcsid[] = "$OpenBSD: syslog.c,v 1.26 2004/05/18 02:05:52 jfb Exp $"; +static char rcsid[] = "$OpenBSD: syslog.c,v 1.27 2005/03/08 15:41:03 moritz Exp $"; #endif /* LIBC_SCCS and not lint */ #include <sys/types.h> @@ -204,6 +204,8 @@ vsyslog_r(int pri, struct syslog_data *data, const char *fmt, va_list ap) prlen = snprintf(t, fmt_left, "Error %d", saved_errno); } + if (prlen < 0) + prlen = 0; if (prlen >= fmt_left) prlen = fmt_left - 1; t += prlen; |