1/*	$NetBSD: temp.c,v 1.21 2006/11/28 18:45:32 christos 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. Neither the name of the University nor the names of its contributors
16 *    may be used to endorse or promote products derived from this software
17 *    without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 */
31
32#include <sys/cdefs.h>
33#ifndef lint
34#if 0
35static char sccsid[] = "@(#)temp.c	8.1 (Berkeley) 6/6/93";
36#else
37__RCSID("$NetBSD: temp.c,v 1.21 2006/11/28 18:45:32 christos Exp $");
38#endif
39#endif /* not lint */
40
41#include "rcv.h"
42#include <util.h>
43#include "extern.h"
44
45/*
46 * Mail -- a mail program
47 *
48 * Give names to all the temporary files that we will need.
49 */
50
51PUBLIC void
52tinit(void)
53{
54	char pathbuf[MAXPATHLEN];
55	const char *cp;
56	char *p;
57
58	/*
59	 * It's okay to call savestr in here because main will
60	 * do a spreserve() after us.
61	 */
62	if ((cp = getenv("TMPDIR")) == NULL || *cp == '\0')
63		cp = _PATH_TMP;
64
65	tmpdir = savestr(cp);
66
67	/* Remove trailing slashes. */
68	p = tmpdir + strlen(tmpdir) - 1;
69	while (p > tmpdir && *p == '/') {
70		*p = '\0';
71		p--;
72	}
73
74	if (myname != NULL) {
75		if (getuserid(myname) < 0)
76			errx(EXIT_FAILURE, "`%s' is not a user of this system", myname);
77	}
78	else {
79		if ((cp = username()) == NULL) {
80			myname = savestr("nobody");
81			if (mailmode == mm_receiving)
82				errx(EXIT_FAILURE, "who am I receiving for?");
83		} else
84			myname = savestr(cp);
85	}
86	if ((cp = getenv("HOME")) == NULL)
87		cp = ".";
88	homedir = savestr(cp);
89
90	if (getcwd(pathbuf, sizeof(pathbuf)) != NULL)
91		origdir = savestr(pathbuf);
92	else {
93		warn("getcwd");
94		origdir = savestr(".");
95	}
96
97	if (debug)
98		(void)printf("user = %s, homedir = %s, origdir = %s\n",
99		    myname, homedir, origdir);
100}
101