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maint: update copyright
[gnulib.git]
/
lib
/
unsetenv.c
diff --git
a/lib/unsetenv.c
b/lib/unsetenv.c
index
65a19cc
..
53721fc
100644
(file)
--- a/
lib/unsetenv.c
+++ b/
lib/unsetenv.c
@@
-1,4
+1,4
@@
-/* Copyright (C) 1992, 1995-2002, 2005-201
0
Free Software Foundation, Inc.
+/* Copyright (C) 1992, 1995-2002, 2005-201
4
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
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/>. */
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)
/* 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>
/* Specification. */
#include <stdlib.h>
@@
-36,7
+36,7
@@
#endif
#if _LIBC
#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)
# 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
#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. */
/* Call the underlying unsetenv, in case there is hidden bookkeeping
that needs updating beyond just modifying environ. */