Home | History | Annotate | Line # | Download | only in stdlib
compat_putenv.c revision 1.1
      1  1.1  christos /*	$NetBSD: compat_putenv.c,v 1.1 2012/04/20 17:31:30 christos Exp $	*/
      2  1.1  christos 
      3  1.1  christos /*-
      4  1.1  christos  * Copyright (c) 2012 The NetBSD Foundation, Inc.
      5  1.1  christos  * All rights reserved.
      6  1.1  christos  *
      7  1.1  christos  * This code is derived from software contributed to The NetBSD Foundation
      8  1.1  christos  * by Christos Zoulas.
      9  1.1  christos  *
     10  1.1  christos  * Redistribution and use in source and binary forms, with or without
     11  1.1  christos  * modification, are permitted provided that the following conditions
     12  1.1  christos  * are met:
     13  1.1  christos  * 1. Redistributions of source code must retain the above copyright
     14  1.1  christos  *    notice, this list of conditions and the following disclaimer.
     15  1.1  christos  * 2. Redistributions in binary form must reproduce the above copyright
     16  1.1  christos  *    notice, this list of conditions and the following disclaimer in the
     17  1.1  christos  *    documentation and/or other materials provided with the distribution.
     18  1.1  christos  *
     19  1.1  christos  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  1.1  christos  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  1.1  christos  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  1.1  christos  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  1.1  christos  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  1.1  christos  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  1.1  christos  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  1.1  christos  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  1.1  christos  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  1.1  christos  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  1.1  christos  * POSSIBILITY OF SUCH DAMAGE.
     30  1.1  christos  */
     31  1.1  christos #include <sys/cdefs.h>
     32  1.1  christos #if defined(LIBC_SCCS) && !defined(lint)
     33  1.1  christos __RCSID("$NetBSD: compat_putenv.c,v 1.1 2012/04/20 17:31:30 christos Exp $");
     34  1.1  christos #endif /* LIBC_SCCS and not lint */
     35  1.1  christos 
     36  1.1  christos #define __LIBC12_SOURCE__
     37  1.1  christos #include "namespace.h"
     38  1.1  christos 
     39  1.1  christos #include <assert.h>
     40  1.1  christos #include <string.h>
     41  1.1  christos #include <stdlib.h>
     42  1.1  christos #include <compat/include/stdlib.h>
     43  1.1  christos 
     44  1.1  christos #include "reentrant.h"
     45  1.1  christos #include "local.h"
     46  1.1  christos 
     47  1.1  christos #ifdef __weak_alias
     48  1.1  christos __weak_alias(putenv,_putenv)
     49  1.1  christos #endif
     50  1.1  christos 
     51  1.1  christos __warn_references(unsetenv,
     52  1.1  christos     "warning: reference to compatibility putenv();"
     53  1.1  christos     " include <stdlib.h> for correct reference")
     54  1.1  christos 
     55  1.1  christos /*
     56  1.1  christos  * putenv(name) --
     57  1.1  christos  *	This version copies the string for compatibility.
     58  1.1  christos  */
     59  1.1  christos int
     60  1.1  christos putenv(char *name)
     61  1.1  christos {
     62  1.1  christos 	char *copy;
     63  1.1  christos 
     64  1.1  christos 	_DIAGASSERT(name != NULL);
     65  1.1  christos 
     66  1.1  christos 	if ((copy = strdup(name)) == NULL)
     67  1.1  christos 		return -1;
     68  1.1  christos 
     69  1.1  christos 	return __putenv50(copy);
     70  1.1  christos }
     71