95 lines
2.4 KiB
C
95 lines
2.4 KiB
C
/*
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* CU sudo version 1.3.1
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 1, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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* Please send bugs, changes, problems to sudo-bugs@cs.colorado.edu
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*
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*******************************************************************
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*
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* This module contains sudo_setenv().
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* sudo_setenv(3) adds a string of the form "var=val" to the environment.
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*
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* Todd C. Miller (millert@colorado.edu) Fri Jun 3 18:32:19 MDT 1994
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*/
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#ifndef lint
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static char rcsid[] = "$Id$";
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#endif /* lint */
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#include "config.h"
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#include <stdio.h>
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#ifdef STDC_HEADERS
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#include <stdlib.h>
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#endif /* STDC_HEADERS */
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#if defined(HAVE_MALLOC_H) && !defined(STDC_HEADERS)
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#include <malloc.h>
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#endif /* HAVE_MALLOC_H && !STDC_HEADERS */
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif /* HAVE_UNISTD_H */
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#include <sys/types.h>
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#include <sys/param.h>
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#include <netinet/in.h>
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#include "sudo.h"
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#include <options.h>
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#ifndef STDC_HEADERS
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#ifdef HAVE_PUTENV
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extern int putenv __P((const char *));
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#endif /* HAVE_PUTENV */
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#ifdef HAVE_SETENV
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extern int setenv __P((char *, char *, int));
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#endif /* HAVE_SETENV */
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#endif /* !STDC_HEADERS */
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/**********************************************************************
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*
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* sudo_setenv()
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*
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* sudo_setenv() adds a string of the form "var=val" to the environment.
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* If it is unable to expand the current environent it returns -1,
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* else it returns 0.
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*/
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int sudo_setenv(var, val)
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char *var;
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char *val;
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{
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#ifdef HAVE_SETENV
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return(setenv(var, val, 1));
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#else
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char *envstring, *tmp;
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envstring = tmp = (char *) malloc(strlen(var) + strlen(val) + 2);
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if (envstring == NULL)
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return(-1);
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while ((*tmp++ = *var++))
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;
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*(tmp-1) = '=';
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while ((*tmp++ = *val++))
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;
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return(putenv(envstring));
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#endif /* HAVE_SETENV */
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}
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