1/*
2 * Copyright (c) 1980, 1993
3 *	The Regents of the University of California.  All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 * 4. Neither the name of the University nor the names of its contributors
14 *    may be used to endorse or promote products derived from this software
15 *    without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 */
29
30#ifndef lint
31#if 0
32static char sccsid[] = "@(#)temp.c	8.1 (Berkeley) 6/6/93";
33#endif
34#endif /* not lint */
35#include <sys/cdefs.h>
36__FBSDID("$FreeBSD$");
37
38#include "rcv.h"
39#include "extern.h"
40
41/*
42 * Mail -- a mail program
43 *
44 * Give names to all the temporary files that we will need.
45 */
46
47char	*tmpdir;
48
49void
50tinit(void)
51{
52	char *cp;
53
54	if ((tmpdir = getenv("TMPDIR")) == NULL || *tmpdir == '\0')
55		tmpdir = _PATH_TMP;
56	if ((tmpdir = strdup(tmpdir)) == NULL)
57		errx(1, "Out of memory");
58	/* Strip trailing '/' if necessary */
59	cp = tmpdir + strlen(tmpdir) - 1;
60	while (cp > tmpdir && *cp == '/') {
61		*cp = '\0';
62		cp--;
63	}
64
65	/*
66	 * It's okay to call savestr in here because main will
67	 * do a spreserve() after us.
68	 */
69	if (myname != NULL) {
70		if (getuserid(myname) < 0)
71			errx(1, "\"%s\" is not a user of this system", myname);
72	} else {
73		if ((cp = username()) == NULL) {
74			myname = "ubluit";
75			if (rcvmode)
76				errx(1, "Who are you!?");
77		} else
78			myname = savestr(cp);
79	}
80	if ((cp = getenv("HOME")) == NULL || *cp == '\0' ||
81	    strlen(cp) >= PATHSIZE)
82		homedir = NULL;
83	else
84		homedir = savestr(cp);
85	if (debug)
86		printf("user = %s, homedir = %s\n", myname,
87		    homedir ? homedir : "NONE");
88}
89