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mail.c revision 1.11.2.1
      1  1.11.2.1   mycroft /*	$NetBSD: mail.c,v 1.11.2.1 1998/05/08 06:01:04 mycroft Exp $	*/
      2       1.8       cgd 
      3       1.1       cgd /*-
      4       1.5       jtc  * Copyright (c) 1991, 1993
      5       1.5       jtc  *	The Regents of the University of California.  All rights reserved.
      6       1.1       cgd  *
      7       1.1       cgd  * This code is derived from software contributed to Berkeley by
      8       1.1       cgd  * Kenneth Almquist.
      9       1.1       cgd  *
     10       1.1       cgd  * Redistribution and use in source and binary forms, with or without
     11       1.1       cgd  * modification, are permitted provided that the following conditions
     12       1.1       cgd  * are met:
     13       1.1       cgd  * 1. Redistributions of source code must retain the above copyright
     14       1.1       cgd  *    notice, this list of conditions and the following disclaimer.
     15       1.1       cgd  * 2. Redistributions in binary form must reproduce the above copyright
     16       1.1       cgd  *    notice, this list of conditions and the following disclaimer in the
     17       1.1       cgd  *    documentation and/or other materials provided with the distribution.
     18       1.1       cgd  * 3. All advertising materials mentioning features or use of this software
     19       1.1       cgd  *    must display the following acknowledgement:
     20       1.1       cgd  *	This product includes software developed by the University of
     21       1.1       cgd  *	California, Berkeley and its contributors.
     22       1.1       cgd  * 4. Neither the name of the University nor the names of its contributors
     23       1.1       cgd  *    may be used to endorse or promote products derived from this software
     24       1.1       cgd  *    without specific prior written permission.
     25       1.1       cgd  *
     26       1.1       cgd  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     27       1.1       cgd  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     28       1.1       cgd  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     29       1.1       cgd  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     30       1.1       cgd  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     31       1.1       cgd  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     32       1.1       cgd  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     33       1.1       cgd  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     34       1.1       cgd  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     35       1.1       cgd  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     36       1.1       cgd  * SUCH DAMAGE.
     37       1.1       cgd  */
     38       1.1       cgd 
     39      1.11  christos #include <sys/cdefs.h>
     40       1.1       cgd #ifndef lint
     41       1.8       cgd #if 0
     42       1.9  christos static char sccsid[] = "@(#)mail.c	8.2 (Berkeley) 5/4/95";
     43       1.8       cgd #else
     44  1.11.2.1   mycroft __RCSID("$NetBSD: mail.c,v 1.11.2.1 1998/05/08 06:01:04 mycroft Exp $");
     45       1.8       cgd #endif
     46       1.1       cgd #endif /* not lint */
     47       1.1       cgd 
     48       1.1       cgd /*
     49       1.1       cgd  * Routines to check for mail.  (Perhaps make part of main.c?)
     50       1.1       cgd  */
     51  1.11.2.1   mycroft #include <sys/types.h>
     52  1.11.2.1   mycroft #include <sys/stat.h>
     53       1.1       cgd 
     54       1.1       cgd #include "shell.h"
     55       1.1       cgd #include "exec.h"	/* defines padvance() */
     56       1.1       cgd #include "var.h"
     57       1.1       cgd #include "output.h"
     58       1.1       cgd #include "memalloc.h"
     59       1.1       cgd #include "error.h"
     60      1.11  christos #include "mail.h"
     61       1.1       cgd 
     62       1.1       cgd 
     63       1.1       cgd #define MAXMBOXES 10
     64       1.1       cgd 
     65       1.1       cgd 
     66       1.1       cgd STATIC int nmboxes;			/* number of mailboxes */
     67       1.1       cgd STATIC time_t mailtime[MAXMBOXES];	/* times of mailboxes */
     68       1.1       cgd 
     69       1.1       cgd 
     70       1.1       cgd 
     71       1.1       cgd /*
     72       1.1       cgd  * Print appropriate message(s) if mail has arrived.  If the argument is
     73       1.1       cgd  * nozero, then the value of MAIL has changed, so we just update the
     74       1.1       cgd  * values.
     75       1.1       cgd  */
     76       1.1       cgd 
     77       1.1       cgd void
     78       1.7       cgd chkmail(silent)
     79       1.7       cgd 	int silent;
     80       1.7       cgd {
     81      1.10       tls 	int i;
     82       1.1       cgd 	char *mpath;
     83       1.1       cgd 	char *p;
     84      1.10       tls 	char *q;
     85       1.1       cgd 	struct stackmark smark;
     86       1.1       cgd 	struct stat statb;
     87       1.1       cgd 
     88       1.1       cgd 	if (silent)
     89       1.1       cgd 		nmboxes = 10;
     90       1.1       cgd 	if (nmboxes == 0)
     91       1.1       cgd 		return;
     92       1.1       cgd 	setstackmark(&smark);
     93       1.1       cgd 	mpath = mpathset()? mpathval() : mailval();
     94       1.1       cgd 	for (i = 0 ; i < nmboxes ; i++) {
     95       1.1       cgd 		p = padvance(&mpath, nullstr);
     96       1.1       cgd 		if (p == NULL)
     97       1.1       cgd 			break;
     98       1.1       cgd 		if (*p == '\0')
     99       1.1       cgd 			continue;
    100       1.1       cgd 		for (q = p ; *q ; q++);
    101       1.1       cgd 		if (q[-1] != '/')
    102       1.1       cgd 			abort();
    103       1.1       cgd 		q[-1] = '\0';			/* delete trailing '/' */
    104       1.1       cgd #ifdef notdef /* this is what the System V shell claims to do (it lies) */
    105       1.1       cgd 		if (stat(p, &statb) < 0)
    106       1.1       cgd 			statb.st_mtime = 0;
    107       1.1       cgd 		if (statb.st_mtime > mailtime[i] && ! silent) {
    108       1.1       cgd 			out2str(pathopt? pathopt : "you have mail");
    109       1.1       cgd 			out2c('\n');
    110       1.1       cgd 		}
    111       1.1       cgd 		mailtime[i] = statb.st_mtime;
    112       1.1       cgd #else /* this is what it should do */
    113       1.1       cgd 		if (stat(p, &statb) < 0)
    114       1.1       cgd 			statb.st_size = 0;
    115       1.1       cgd 		if (statb.st_size > mailtime[i] && ! silent) {
    116       1.1       cgd 			out2str(pathopt? pathopt : "you have mail");
    117       1.1       cgd 			out2c('\n');
    118       1.1       cgd 		}
    119       1.1       cgd 		mailtime[i] = statb.st_size;
    120       1.1       cgd #endif
    121       1.1       cgd 	}
    122       1.1       cgd 	nmboxes = i;
    123       1.1       cgd 	popstackmark(&smark);
    124       1.1       cgd }
    125