Import upstream version 1.27

[debian/tar] / gnu / unsetenv.c

diff --git a/gnu/unsetenv.c b/gnu/unsetenv.c
index 5e028be7916c2525ba5ca9b29a228eb03518eeb1..c92884e8f15d5a82d8c48d5c3ca8edc91ffa58a0 100644 (file)
--- a/gnu/unsetenv.c
+++ b/gnu/unsetenv.c
@@ -1,6 +1,6 @@
 /* -*- buffer-read-only: t -*- vi: set ro: */
 /* DO NOT EDIT! GENERATED AUTOMATICALLY! */
-/* Copyright (C) 1992, 1995-2002, 2005-2011 Free Software Foundation, Inc.
+/* Copyright (C) 1992, 1995-2002, 2005-2013 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
@@ -16,12 +16,12 @@
    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>
 
@@ -38,7 +38,7 @@
 #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)
@@ -99,6 +99,13 @@ 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.  */