From: Ulrich Drepper <drepper@redhat.com>
Date: Fri, 14 Dec 2001 07:02:32 +0000 (+0000)
Subject: (cuserid): If we don't find the UID, but have a user supplied buffer, return
X-Git-Tag: cvs/glibc-2-2-5~83
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=261e312c011fa29383a948322592e2abb3f85cee;p=thirdparty%2Fglibc.git

(cuserid): If we don't find the UID, but have a user supplied buffer, return
the empty buffer, not NULL.
---

diff --git a/sysdeps/posix/cuserid.c b/sysdeps/posix/cuserid.c
index 3417d0a6958..11c827a6868 100644
--- a/sysdeps/posix/cuserid.c
+++ b/sysdeps/posix/cuserid.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991, 1996, 1998, 1999 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 1996, 1998, 1999, 2001 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -39,7 +39,7 @@ cuserid (s)
     {
       if (s != NULL)
 	s[0] = '\0';
-      return NULL;
+      return s;
     }
 
   if (s == NULL)