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source: kBuild/trunk/src/kash/mail.c@ 2654

Last change on this file since 2654 was 2312, checked in by bird, 16 years ago

kash: eliminating warnings (gcc/darwin).

  • Property svn:eol-style set to LF
  • Property svn:keywords set to Id
File size: 3.6 KB
Line 
1/* $NetBSD: mail.c,v 1.16 2003/08/07 09:05:33 agc Exp $ */
2
3/*-
4 * Copyright (c) 1991, 1993
5 * The Regents of the University of California. All rights reserved.
6 *
7 * This code is derived from software contributed to Berkeley by
8 * Kenneth Almquist.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. Neither the name of the University nor the names of its contributors
19 * may be used to endorse or promote products derived from this software
20 * without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 */
34
35#if 0
36#ifndef lint
37static char sccsid[] = "@(#)mail.c 8.2 (Berkeley) 5/4/95";
38#else
39__RCSID("$NetBSD: mail.c,v 1.16 2003/08/07 09:05:33 agc Exp $");
40#endif /* not lint */
41#endif
42
43/*
44 * Routines to check for mail. (Perhaps make part of main.c?)
45 */
46#include <sys/types.h>
47#include <stdlib.h>
48
49#include "shell.h"
50#include "exec.h" /* defines padvance() */
51#include "var.h"
52#include "output.h"
53#include "memalloc.h"
54#include "error.h"
55#include "mail.h"
56#include "shinstance.h"
57
58
59/*#define MAXMBOXES 10*/
60
61
62/*STATIC int nmboxes;*/ /* number of mailboxes */
63/*STATIC time_t mailtime[MAXMBOXES];*/ /* times of mailboxes */
64
65
66
67/*
68 * Print appropriate message(s) if mail has arrived. If the argument is
69 * nozero, then the value of MAIL has changed, so we just update the
70 * values.
71 */
72
73void
74chkmail(shinstance *psh, int silent)
75{
76 int i;
77 const char *mpath;
78 char *p;
79 char *q;
80 struct stackmark smark;
81 struct stat statb;
82
83 if (silent)
84 psh->nmboxes = 10;
85 if (psh->nmboxes == 0)
86 return;
87 setstackmark(psh, &smark);
88 mpath = mpathset(psh) ? mpathval(psh) : mailval(psh);
89 for (i = 0 ; i < psh->nmboxes ; i++) {
90 p = padvance(psh, &mpath, nullstr);
91 if (p == NULL)
92 break;
93 if (*p == '\0')
94 continue;
95 for (q = p ; *q ; q++);
96 if (q[-1] != '/')
97 sh_abort(psh);
98 q[-1] = '\0'; /* delete trailing '/' */
99#ifdef notdef /* this is what the System V shell claims to do (it lies) */
100 if (shfile_stat(&psh->fdtab, p, &statb) < 0)
101 statb.st_mtime = 0;
102 if (statb.st_mtime > psh->mailtime[i] && ! silent) {
103 out2str(psh, psh->pathopt ? psh->pathopt : "you have mail");
104 out2c(psh, '\n');
105 }
106 psh->mailtime[i] = statb.st_mtime;
107#else /* this is what it should do */
108 if (shfile_stat(&psh->fdtab, p, &statb) < 0)
109 statb.st_size = 0;
110 if (statb.st_size > psh->mailtime[i] && ! silent) {
111 out2str(psh, psh->pathopt ? psh->pathopt : "you have mail");
112 out2c(psh, '\n');
113 }
114 psh->mailtime[i] = statb.st_size;
115#endif
116 }
117 psh->nmboxes = i;
118 popstackmark(psh, &smark);
119}
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