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Annotation of src/usr.bin/mail/v7.local.c, Revision 1.1.1.1

1.1       deraadt     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[] = "from: @(#)v7.local.c   8.1 (Berkeley) 6/6/93";
                     36: static char rcsid[] = "$Id: v7.local.c,v 1.6 1994/06/29 05:09:48 deraadt 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: #include <stdlib.h>
                     49: #include <fcntl.h>
                     50: #include "extern.h"
                     51:
                     52: /*
                     53:  * Locate the user's mailbox file (ie, the place where new, unread
                     54:  * mail is queued).
                     55:  */
                     56: void
                     57: findmail(user, buf)
                     58:        char *user, *buf;
                     59: {
                     60:        char *mbox;
                     61:
                     62:        if (!(mbox = getenv("MAIL")))
                     63:                (void)sprintf(buf, "%s/%s", _PATH_MAILDIR, user);
                     64:        else
                     65:                (void)strcpy(buf, mbox);
                     66: }
                     67:
                     68: /*
                     69:  * Get rid of the queued mail.
                     70:  */
                     71: void
                     72: demail()
                     73: {
                     74:
                     75:        if (value("keep") != NOSTR || rm(mailname) < 0)
                     76:                close(creat(mailname, 0600));
                     77: }
                     78:
                     79: /*
                     80:  * Discover user login name.
                     81:  */
                     82: char *
                     83: username()
                     84: {
                     85:        char *np;
                     86:
                     87:        if ((np = getenv("USER")) != NOSTR)
                     88:                return np;
                     89:        return getname(getuid());
                     90: }