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v7.local.c revision 1.4 
      1 /*
      2  * Copyright (c) 1980 Regents of the University of California.
      3  * 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[] = "from: @(#)v7.local.c	5.12 (Berkeley) 2/3/91";*/
     36 static char rcsid[] = "$Id: v7.local.c,v 1.4 1993/08/01 18:12:50 mycroft Exp $";
     37 #endif /* not lint */
     38 
     39 /*
     40  * Mail -- a mail program
     41  *
     42  * Version 7
     43  *
     44  * Local routines that are installation dependent.
     45  */
     46 
     47 #include "rcv.h"
     48 
     49 /*
     50  * Locate the user's mailbox file (ie, the place where new, unread
     51  * mail is queued).
     52  */
     53 findmail(user, buf)
     54 	char *user, *buf;
     55 {
     56 	(void)sprintf(buf, "%s/%s", _PATH_MAILDIR, user);
     57 }
     58 
     59 /*
     60  * Get rid of the queued mail.
     61  */
     62 demail()
     63 {
     64 
     65 	if (value("keep") != NOSTR || rm(mailname) < 0)
     66 		close(creat(mailname, 0600));
     67 }
     68 
     69 /*
     70  * Discover user login name.
     71  */
     72 char*
     73 username()
     74 {
     75 	char *np;
     76 
     77 	if ((np = getenv("USER")) != NOSTR)
     78 		return np;
     79 	return getname(getuid());
     80 }
     81