diff options
Diffstat (limited to 'epan')
| -rw-r--r-- | epan/inet_ntop.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/epan/inet_ntop.c b/epan/inet_ntop.c index 983d344ee1..0f50bc761a 100644 --- a/epan/inet_ntop.c +++ b/epan/inet_ntop.c @@ -20,7 +20,7 @@ #endif #if defined(LIBC_SCCS) && !defined(lint) -static char rcsid[] = "$Id: inet_ntop.c,v 1.1 2000/10/14 04:31:26 gram Exp $"; +static char rcsid[] = "$Id: inet_ntop.c,v 1.2 2001/10/28 01:55:10 guy Exp $"; #endif /* LIBC_SCCS and not lint */ #ifdef HAVE_SYS_PARAM_H @@ -126,8 +126,12 @@ inet_ntop4(src, dst, size) { static const char fmt[] = "%u.%u.%u.%u"; char tmp[sizeof "255.255.255.255"]; + int nprinted; - if (snprintf(tmp, sizeof(tmp), fmt, src[0], src[1], src[2], src[3]) > size) { + nprinted = snprintf(tmp, sizeof(tmp), fmt, src[0], src[1], src[2], src[3]); + if (nprinted < 0) + return (NULL); /* we assume "errno" was set by "snprintf()" */ + if ((size_t)nprinted > size) { errno = ENOSPC; return (NULL); } |