From 26fbe7f1e68bb0c96da32491efcf3696fe6c299b Mon Sep 17 00:00:00 2001 From: Holger Weiss Date: Mon, 19 Aug 2013 23:27:12 +0200 Subject: Sync with the latest Gnulib code (6f2d632) --- gl/unsetenv.c | 15 +++++++++++---- 1 file changed, 11 insertions(+), 4 deletions(-) (limited to 'gl/unsetenv.c') diff --git a/gl/unsetenv.c b/gl/unsetenv.c index 65a19cca..c58c82f4 100644 --- a/gl/unsetenv.c +++ b/gl/unsetenv.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1992, 1995-2002, 2005-2010 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 @@ -14,12 +14,12 @@ You should have received a copy of the GNU General Public License along with this program. If not, see . */ -#include - /* Don't use __attribute__ __nonnull__ in this compilation unit. Otherwise gcc optimizes away the name == NULL test below. */ #define _GL_ARG_NONNULL(params) +#include + /* Specification. */ #include @@ -36,7 +36,7 @@ #endif #if _LIBC -/* This lock protects against simultaneous modifications of `environ'. */ +/* This lock protects against simultaneous modifications of 'environ'. */ # include __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. */ -- cgit v1.2.3