xref: /freebsd/usr.bin/mail/v7.local.c (revision ef5d438ed4bc17ad7ece3e40fe4d1f9baf3aadf7)
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  * 3. All advertising materials mentioning features or use of this software
14  *    must display the following acknowledgement:
15  *	This product includes software developed by the University of
16  *	California, Berkeley and its contributors.
17  * 4. Neither the name of the University nor the names of its contributors
18  *    may be used to endorse or promote products derived from this software
19  *    without specific prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31  * SUCH DAMAGE.
32  */
33 
34 #ifndef lint
35 static char sccsid[] = "@(#)v7.local.c	8.1 (Berkeley) 6/6/93";
36 #endif /* not lint */
37 
38 /*
39  * Mail -- a mail program
40  *
41  * Version 7
42  *
43  * Local routines that are installation dependent.
44  */
45 
46 #include "rcv.h"
47 #include <fcntl.h>
48 #include "extern.h"
49 
50 /*
51  * Locate the user's mailbox file (ie, the place where new, unread
52  * mail is queued).
53  */
54 void
55 findmail(user, buf)
56 	char *user, *buf;
57 {
58 	(void)sprintf(buf, "%s/%s", _PATH_MAILDIR, user);
59 }
60 
61 /*
62  * Get rid of the queued mail.
63  */
64 void
65 demail()
66 {
67 
68 	if (value("keep") != NOSTR || rm(mailname) < 0)
69 		close(creat(mailname, 0600));
70 }
71 
72 /*
73  * Discover user login name.
74  */
75 char *
76 username()
77 {
78 	char *np;
79 
80 	if ((np = getenv("USER")) != NOSTR)
81 		return np;
82 	return getname(getuid());
83 }
84