diff options
Diffstat (limited to 'gl/unsetenv.c')
| -rw-r--r-- | gl/unsetenv.c | 15 |
1 files changed, 11 insertions, 4 deletions
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 <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. */ |