X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=gnu%2Funsetenv.c;h=87f41d59a5071d821d5fb102ef38621ec03a810f;hb=d30babc23b4f25be970ada2e63a50220a3672281;hp=d22a29a2851cdea3e2ad495ded6345b71ecd23f3;hpb=22f1eb8bc17e5be72dd23d42d6aaa60196ac22e6;p=debian%2Ftar

diff --git a/gnu/unsetenv.c b/gnu/unsetenv.c
index d22a29a2..87f41d59 100644
--- a/gnu/unsetenv.c
+++ b/gnu/unsetenv.c
@@ -1,6 +1,4 @@
-/* -*- buffer-read-only: t -*- vi: set ro: */
-/* DO NOT EDIT! GENERATED AUTOMATICALLY! */
-/* 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
@@ -16,12 +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>
 
@@ -38,7 +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)
@@ -99,6 +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.  */