From 806e8160f044f7ddaed5a6f8eac7699e1827b73d Mon Sep 17 00:00:00 2001
From: ceriel <devnull@localhost>
Date: Thu, 1 Sep 1988 10:07:02 +0000
Subject: [PATCH] make somewhat safer

---
 lang/cem/libcc/stdio/getgrent.c | 2 +-
 lang/cem/libcc/stdio/getpwent.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/lang/cem/libcc/stdio/getgrent.c b/lang/cem/libcc/stdio/getgrent.c
index cea6baa1..de75c9df 100644
--- a/lang/cem/libcc/stdio/getgrent.c
+++ b/lang/cem/libcc/stdio/getgrent.c
@@ -64,7 +64,7 @@ static getline ()
 
 static skip_period () 
 {
-        while (*_buf != ':')
+        while (*_buf && *_buf != ':')
 	        _buf++;
         *_buf++ = '\0';
 }
diff --git a/lang/cem/libcc/stdio/getpwent.c b/lang/cem/libcc/stdio/getpwent.c
index 50ecbbe3..1ab90416 100644
--- a/lang/cem/libcc/stdio/getpwent.c
+++ b/lang/cem/libcc/stdio/getpwent.c
@@ -65,7 +65,7 @@ static getline ()
 
 static skip_period () 
 {
-	while (*_buf != ':')
+	while (*_buf && *_buf != ':')
 		_buf++;
 
 	*_buf++ = '\0';