diff options
| author | Moritz Jodeit <moritz@cvs.openbsd.org> | 2005-04-19 17:15:54 +0000 |
|---|---|---|
| committer | Moritz Jodeit <moritz@cvs.openbsd.org> | 2005-04-19 17:15:54 +0000 |
| commit | f58a9436f2c5c263a756964e7391dc167b8210c0 (patch) | |
| tree | 3e9cbc6bed3078b06f71b059fbadf4d9df98287b /usr.sbin/bind/lib/lwres/lwinetntop.c | |
| parent | bba2b6205529743303c55f5e552e55f29c13b5f7 (diff) | |
fix more cases of snprintf() returning -1. ok cloder@ niallo@
Diffstat (limited to 'usr.sbin/bind/lib/lwres/lwinetntop.c')
| -rw-r--r-- | usr.sbin/bind/lib/lwres/lwinetntop.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/usr.sbin/bind/lib/lwres/lwinetntop.c b/usr.sbin/bind/lib/lwres/lwinetntop.c index 1d02defdf9a..311c5837ed9 100644 --- a/usr.sbin/bind/lib/lwres/lwinetntop.c +++ b/usr.sbin/bind/lib/lwres/lwinetntop.c @@ -84,10 +84,12 @@ static const char * inet_ntop4(const unsigned char *src, char *dst, size_t size) { static const char fmt[] = "%u.%u.%u.%u"; char tmp[sizeof("255.255.255.255")]; - size_t len; + int len; len = snprintf(tmp, sizeof(tmp), fmt, src[0], src[1], src[2], src[3]); - if (len >= size) { + if (len == -1) + return (NULL); + if ((size_t)len >= size) { errno = ENOSPC; return (NULL); } |