diff options
| author |   deraadt <deraadt@openbsd.org> | 2005-04-11 15:16:29 +0000 |
|---|---|---|
| committer | deraadt <deraadt@openbsd.org> | 2005-04-11 15:16:29 +0000 |
| commit | e872be3b5c39e34bd0dd61a784af4c4849c47c77 (patch) | |
| tree | 545a8418a649125bffca995dd9cbe54a71ef3055 | |
| parent | use writev; ok henning (diff) | |
| download | wireguard-openbsd-e872be3b5c39e34bd0dd61a784af4c4849c47c77.tar.xz wireguard-openbsd-e872be3b5c39e34bd0dd61a784af4c4849c47c77.zip | |
handle snprintf returning -1; ok henning
| -rw-r--r-- | sbin/dhclient/errwarn.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/sbin/dhclient/errwarn.c b/sbin/dhclient/errwarn.c index f6925d0cfa2..c37ca4c6d14 100644 --- a/sbin/dhclient/errwarn.c +++ b/sbin/dhclient/errwarn.c @@ -1,4 +1,4 @@ -/* $OpenBSD: errwarn.c,v 1.8 2005/04/11 15:16:14 deraadt Exp $ */ +/* $OpenBSD: errwarn.c,v 1.9 2005/04/11 15:16:29 deraadt Exp $ */ /* Errors and warnings... */ @@ -186,7 +186,9 @@ do_percentm(char *obuf, size_t size, char *ibuf) ++s; prlen = snprintf(t, fmt_left, "%s", strerror(saved_errno)); - if (prlen >= fmt_left) + if (prlen == -1) + prlen = 0; + else if (prlen >= fmt_left) prlen = fmt_left - 1; t += prlen; fmt_left -= prlen; |