57 lines
1.7 KiB
C
57 lines
1.7 KiB
C
/* 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
|
|
_putenv_r (struct _reent *reent_ptr,
|
|
char *str)
|
|
{
|
|
register char *p, *equal;
|
|
int rval;
|
|
|
|
p = _strdup_r (reent_ptr, str);
|
|
|
|
if (!p)
|
|
return 1;
|
|
|
|
if (!(equal = strchr (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;
|
|
}
|