1 /* $NetBSD: temp.c,v 1.22 2010/01/12 14:45:31 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
35 static char sccsid[] = "@(#)temp.c 8.1 (Berkeley) 6/6/93";
36 #else
37 __RCSID("$NetBSD: temp.c,v 1.22 2010/01/12 14:45:31 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
51 PUBLIC void
tinit(void)52 tinit(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