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author | Li Jinjing <jinjingx.li@intel.com> | 2014-10-26 22:28:15 +0800 |
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committer | Li Jinjing <jinjingx.li@intel.com> | 2014-10-26 22:28:15 +0800 |
commit | 931b01b091932a1f796c23379ea32abb68bd5895 (patch) | |
tree | 3aa9e1125da84f7e3bd764bbff577c42a766508b /tests/unsetenv.c | |
parent | 7be93f2d05131d061bd4790ae33c8d50f50010d7 (diff) | |
download | m4-931b01b091932a1f796c23379ea32abb68bd5895.tar.gz m4-931b01b091932a1f796c23379ea32abb68bd5895.tar.bz2 m4-931b01b091932a1f796c23379ea32abb68bd5895.zip |
Imported Upstream version 1.4.17upstream/1.4.17sandbox/jinjingx/upstream
Diffstat (limited to 'tests/unsetenv.c')
-rw-r--r-- | tests/unsetenv.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/tests/unsetenv.c b/tests/unsetenv.c index 215bba0..c58c82f 100644 --- a/tests/unsetenv.c +++ b/tests/unsetenv.c @@ -1,4 +1,4 @@ -/* 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 @@ -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. */ |