summaryrefslogtreecommitdiff
path: root/tests/unsetenv.c
diff options
context:
space:
mode:
Diffstat (limited to 'tests/unsetenv.c')
-rw-r--r--tests/unsetenv.c15
1 files changed, 11 insertions, 4 deletions
diff --git a/tests/unsetenv.c b/tests/unsetenv.c
index 65a19cca..87f41d59 100644
--- a/tests/unsetenv.c
+++ b/tests/unsetenv.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1992, 1995-2002, 2005-2010 Free Software Foundation, Inc.
+/* Copyright (C) 1992, 1995-2002, 2005-2015 Free Software Foundation, Inc.
This file is part of the GNU C Library.
This program is free software: you can redistribute it and/or modify
@@ -14,12 +14,12 @@
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
-#include <config.h>
-
/* Don't use __attribute__ __nonnull__ in this compilation unit. Otherwise gcc
optimizes away the name == NULL test below. */
#define _GL_ARG_NONNULL(params)
+#include <config.h>
+
/* Specification. */
#include <stdlib.h>
@@ -36,7 +36,7 @@
#endif
#if _LIBC
-/* This lock protects against simultaneous modifications of `environ'. */
+/* This lock protects against simultaneous modifications of 'environ'. */
# include <bits/libc-lock.h>
__libc_lock_define_initialized (static, envlock)
# define LOCK __libc_lock_lock (envlock)
@@ -97,6 +97,13 @@ weak_alias (__unsetenv, unsetenv)
#else /* HAVE_UNSETENV */
# undef unsetenv
+# if !HAVE_DECL_UNSETENV
+# if VOID_UNSETENV
+extern void unsetenv (const char *);
+# else
+extern int unsetenv (const char *);
+# endif
+# endif
/* Call the underlying unsetenv, in case there is hidden bookkeeping
that needs updating beyond just modifying environ. */