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/*
* CU sudo version 1.5.7
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 1, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* Please send bugs, changes, problems to sudo-bugs@courtesan.com
*
*******************************************************************
*
* This module contains sudo_setenv().
* sudo_setenv(3) adds a string of the form "var=val" to the environment.
*
* Todd C. Miller (millert@colorado.edu) Fri Jun 3 18:32:19 MDT 1994
*/
#ifndef lint
static char rcsid[] = "$Id$";
#endif /* lint */
#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 <netinet/in.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 */
/**********************************************************************
*
* sudo_setenv()
*
* sudo_setenv() adds a string of the form "var=val" to the environment.
* If it is unable to expand the current environent it returns -1,
* else it returns 0.
*/
int sudo_setenv(var, val)
char *var;
char *val;
{
#ifdef HAVE_SETENV
return(setenv(var, val, 1));
#else
char *envstring, *tmp;
envstring = tmp = (char *) malloc(strlen(var) + strlen(val) + 2);
if (envstring == NULL)
return(-1);
while ((*tmp++ = *var++))
;
*(tmp-1) = '=';
while ((*tmp++ = *val++))
;
return(putenv(envstring));
#endif /* HAVE_SETENV */
}
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