make somewhat safer

1988-09-01 10:07:02 +00:00
parent a40768b6f9
commit 615b67952f
2 changed files with 2 additions and 2 deletions
--- 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';
 }
--- 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';