+2008-12-01 Ulrich Drepper <drepper@redhat.com>
+
+ * stdlib/setenv.c (unsetenv): Don't search environment if it does
+ not exist.
+
2008-11-29 Ulrich Drepper <drepper@redhat.com>
* login/utmp_file.c (file_writable): New variable.
-/* Copyright (C) 1992,1995-2001,2004 Free Software Foundation, Inc.
+/* Copyright (C) 1992,1995-2001,2004, 2008 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
LOCK;
ep = __environ;
- while (*ep != NULL)
- if (!strncmp (*ep, name, len) && (*ep)[len] == '=')
- {
- /* Found it. Remove this pointer by moving later ones back. */
- char **dp = ep;
-
- do
- dp[0] = dp[1];
- while (*dp++);
- /* Continue the loop in case NAME appears again. */
- }
- else
- ++ep;
+ if (ep != NULL)
+ while (*ep != NULL)
+ if (!strncmp (*ep, name, len) && (*ep)[len] == '=')
+ {
+ /* Found it. Remove this pointer by moving later ones back. */
+ char **dp = ep;
+
+ do
+ dp[0] = dp[1];
+ while (*dp++);
+ /* Continue the loop in case NAME appears again. */
+ }
+ else
+ ++ep;
UNLOCK;