1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
|
/* -*- Mode: C++-C -*-
*
* Copyright 1994 Christopher B. Liebman
*
* Permission to use, copy, modify, distribute, and sell this software
* and its documentation for any purpose is hereby granted without fee,
* provided that the above copyright notice appear in all copies and that
* both that copyright notice and this permission notice appear in
* supporting documentation, and that the name Christopher B. Liebman not
* be used in advertising or publicity pertaining to distribution of this
* software without specific, written prior permission.
*
* THIS SOFTWARE IS PROVIDED `AS-IS'. CHRISTOPHER B. LIEBMAN, DISCLAIMS
* ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING WITHOUT
* LIMITATION ALL IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
* PARTICULAR PURPOSE, OR NONINFRINGEMENT. IN NO EVENT SHALL CHRISTOPHER
* B. LIEBMAN, BE LIABLE FOR ANY DAMAGES WHATSOEVER, INCLUDING SPECIAL,
* INCIDENTAL OR CONSEQUENTIAL DAMAGES, INCLUDING LOSS OF USE, DATA, OR
* PROFITS, EVEN IF ADVISED OF THE POSSIBILITY THEREOF, AND REGARDLESS OF
* WHETHER IN AN ACTION IN CONTRACT, TORT OR NEGLIGENCE, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* Author : Chris Liebman
* Created On : Tue Jan 11 14:11:30 1994
* Last Modified By: Chris Liebman
* Last Modified On: Mon Jan 31 23:10:42 1994
* Update Count : 3
* Status : Released
*
* HISTORY
* 31-Jan-1994 Chris Liebman
* Last Modified: Tue Jan 11 14:29:22 1994 #1 (Chris Liebman)
* Modified MailCheck to remove code now in CheckMailNow().
*
* PURPOSE
* Check the users mailbox for new mail.
*/
#ifndef lint
static char *RCSid = "$Id: mail_check.c,v 1.7 1994/03/12 21:18:56 liebman Exp $";
#endif
#include "faces.h"
#include <sys/stat.h>
/*
* Status information about the mail file when we last
* checked.
*/
static struct stat LastStat;
/*
* Check for any changes to the mail spool file.
*/
void
MailCheck()
{
struct stat cur_stat;
/*
* First we stat the mail file to see if there is any
* change.
*/
if (stat(TheFacesResources.spool_file, &cur_stat) == -1)
{
#ifdef MAILCHECK_DEBUG
fprintf(stderr, "MailCheck: spoolfile non existant: %s\n",
TheFacesResources.spool_file);
#endif
bzero((char *) &LastStat, sizeof(struct stat));
return;
}
#ifdef MAILCHECK_DEBUG
fprintf(stderr, "MailCheck: last mtime: %d current: %d\n",
LastStat.st_mtime, cur_stat.st_mtime);
fprintf(stderr, "MailCheck: last ctime: %d current: %d\n",
LastStat.st_ctime, cur_stat.st_ctime);
fprintf(stderr, "MailCheck: last size: %d current: %d\n",
LastStat.st_size, cur_stat.st_size);
#endif
/*
* If there has been no change to the mail file then
* just get out. Note that we check the ctime as well
* cause the elm mailer uses utime() to set the mtime
* field back to what it was when elm read it! We check the
* size as an added precaution!
*/
#if defined(sun) && defined(SYSV)
if (LastStat.st_mtim.tv_sec == cur_stat.st_mtim.tv_sec &&
LastStat.st_mtim.tv_nsec == cur_stat.st_mtim.tv_nsec)
#else
if ((LastStat.st_mtime == cur_stat.st_mtime) &&
(LastStat.st_ctime == cur_stat.st_ctime) &&
(LastStat.st_size == cur_stat.st_size))
#endif
{
/*
* Mark all current mail items as in use!
*/
MailBoxUnClear();
return;
}
/*
* Save the new stats.
*/
bcopy((char *) &cur_stat, (char *) &LastStat, sizeof(struct stat));
/*
* Parse the mail spool file and build the mail item list and
* display things.
*/
MailBoxParse();
return;
}
|
