96 lines
2.8 KiB
C
96 lines
2.8 KiB
C
/*
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* Copyright (c) 1996, 1998, 1999 Todd C. Miller <Todd.Miller@courtesan.com>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* 4. Products derived from this software may not be called "Sudo" nor
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* may "Sudo" appear in their names without specific prior written
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* permission from the author.
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*
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
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* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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* THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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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 "sudo.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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#ifndef lint
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static const char rcsid[] = "$Sudo$";
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#endif /* lint */
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/*
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* Add a string of the form "var=val" to the environment. If we are unable
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* to expand the current environent, return -1, else return 0.
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*/
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int
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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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