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/*
* Copyright (c) 1996, 1998, 1999 Todd C. Miller <Todd.Miller@courtesan.com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* 4. Products derived from this software may not be called "Sudo" nor
* may "Sudo" appear in their names without specific prior written
* permission from the author.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
* THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include <stdio.h>
#ifdef STDC_HEADERS
#include <stdlib.h>
#endif /* STDC_HEADERS */
#if defined(HAVE_MALLOC_H) && !defined(STDC_HEADERS)
#include <malloc.h>
#endif /* HAVE_MALLOC_H && !STDC_HEADERS */
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif /* HAVE_UNISTD_H */
#include <sys/types.h>
#include <sys/param.h>
#include "sudo.h"
#ifndef STDC_HEADERS
#ifdef HAVE_PUTENV
extern int putenv __P((const char *));
#endif /* HAVE_PUTENV */
#ifdef HAVE_SETENV
extern int setenv __P((char *, char *, int));
#endif /* HAVE_SETENV */
#endif /* !STDC_HEADERS */
#ifndef lint
static const char rcsid[] = "$Sudo: sudo_setenv.c,v 1.41 2000/09/14 20:48:58 millert Exp $";
#endif /* lint */
/*
* Add a string of the form "var=val" to the environment. Exits if it is
* unable to expand the current environent.
*/
void
sudo_setenv(var, val)
char *var;
char *val;
{
#ifdef HAVE_SETENV
if (setenv(var, val, 1) == -1) {
(void) fprintf(stderr, "%s: cannot allocate memory!\n", Argv[0]);
exit(1);
}
#else
char *envstring, *tmp;
envstring = tmp = (char *) malloc(strlen(var) + strlen(val) + 2);
if (envstring == NULL) {
(void) fprintf(stderr, "%s: cannot allocate memory!\n", Argv[0]);
exit(1);
}
while ((*tmp++ = *var++))
;
*(tmp-1) = '=';
while ((*tmp++ = *val++))
;
putenv(envstring);
#endif /* HAVE_SETENV */
}
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