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temp.c revision 1.15 
      1 /*	$NetBSD: temp.c,v 1.15 2002/03/06 17:36:44 wiz Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1980, 1993
      5  *	The Regents of the University of California.  All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. All advertising materials mentioning features or use of this software
     16  *    must display the following acknowledgement:
     17  *	This product includes software developed by the University of
     18  *	California, Berkeley and its contributors.
     19  * 4. Neither the name of the University nor the names of its contributors
     20  *    may be used to endorse or promote products derived from this software
     21  *    without specific prior written permission.
     22  *
     23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     33  * SUCH DAMAGE.
     34  */
     35 
     36 #include <sys/cdefs.h>
     37 #ifndef lint
     38 #if 0
     39 static char sccsid[] = "@(#)temp.c	8.1 (Berkeley) 6/6/93";
     40 #else
     41 __RCSID("$NetBSD: temp.c,v 1.15 2002/03/06 17:36:44 wiz Exp $");
     42 #endif
     43 #endif /* not lint */
     44 
     45 #include "rcv.h"
     46 #include "extern.h"
     47 
     48 /*
     49  * Mail -- a mail program
     50  *
     51  * Give names to all the temporary files that we will need.
     52  */
     53 
     54 char	*tmpdir;
     55 
     56 void
     57 tinit(void)
     58 {
     59 	const char *cp;
     60 	char *p;
     61 
     62 	if ((tmpdir = getenv("TMPDIR")) == NULL || *tmpdir == '\0')
     63 		tmpdir = _PATH_TMP;
     64 
     65 	if ((tmpdir = strdup(tmpdir)) == NULL)
     66 		errx(1, "Out of memory");
     67 
     68 	/* Remove trailing slashes. */
     69 	p = tmpdir + strlen(tmpdir) - 1;
     70 	while (p > tmpdir && *p == '/') {
     71 		*p = '\0';
     72 		p--;
     73 	}
     74 
     75 	/*
     76 	 * It's okay to call savestr in here because main will
     77 	 * do a spreserve() after us.
     78 	 */
     79 	if (myname != NULL) {
     80 		if (getuserid(myname) < 0)
     81 			errx(1, "\"%s\" is not a user of this system", myname);
     82 	} else {
     83 		if ((cp = username()) == NULL) {
     84 			myname = "nobody";
     85 			if (rcvmode)
     86 				exit(1);
     87 		} else
     88 			myname = savestr(cp);
     89 	}
     90 	if ((cp = getenv("HOME")) == NULL)
     91 		cp = ".";
     92 	homedir = savestr(cp);
     93 	if (debug)
     94 		printf("user = %s, homedir = %s\n", myname, homedir);
     95 }
     96