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/* This file may have been modified by DJ Delorie (Jan 1991). If so,
** these modifications are Copyright (C) 1991 DJ Delorie
*/
/*-
* Copyright (c) 1988 The Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms are permitted
* provided that: (1) source distributions retain this entire copyright
* notice and comment, and (2) distributions including binaries display
* the following acknowledgement: ``This product includes software
* developed by the University of California, Berkeley and its contributors''
* in the documentation or other materials provided with the distribution
* and in all advertising materials mentioning features or use of this
* software. Neither the name of the University nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*/
#include <reent.h>
#include <stdlib.h>
#include <string.h>
#include "envlock.h"
/* _putenv_r - reentrant version of putenv that either adds
or replaces the environment variable "name"
with "value" which is specified by str as "name=value". */
int
_DEFUN (_putenv_r, (reent_ptr, str),
struct _reent *reent_ptr _AND
_CONST char *str)
{
register char *p, *equal;
int rval;
p = _strdup_r (reent_ptr, str);
if (!p)
return 1;
if (!(equal = index (p, '=')))
{
(void) _free_r (reent_ptr, p);
return 1;
}
*equal = '\0';
rval = _setenv_r (reent_ptr, p, equal + 1, 1);
(void) _free_r (reent_ptr, p);
return rval;
}
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