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2714 | cejka | 1 | /* $NetBSD: mail.c,v 1.14 2000/07/03 03:26:19 matt Exp $ */ |
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3 | /*- |
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4 | * Copyright (c) 1991, 1993 |
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5 | * The Regents of the University of California. All rights reserved. |
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6 | * |
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7 | * This code is derived from software contributed to Berkeley by |
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8 | * Kenneth Almquist. |
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9 | * |
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10 | * Redistribution and use in source and binary forms, with or without |
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11 | * modification, are permitted provided that the following conditions |
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12 | * are met: |
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13 | * 1. Redistributions of source code must retain the above copyright |
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14 | * notice, this list of conditions and the following disclaimer. |
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15 | * 2. Redistributions in binary form must reproduce the above copyright |
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16 | * notice, this list of conditions and the following disclaimer in the |
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17 | * documentation and/or other materials provided with the distribution. |
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18 | * 3. All advertising materials mentioning features or use of this software |
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19 | * must display the following acknowledgement: |
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20 | * This product includes software developed by the University of |
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21 | * California, Berkeley and its contributors. |
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22 | * 4. Neither the name of the University nor the names of its contributors |
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23 | * may be used to endorse or promote products derived from this software |
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24 | * without specific prior written permission. |
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25 | * |
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26 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
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27 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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28 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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29 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
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30 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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31 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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32 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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33 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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34 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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35 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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36 | * SUCH DAMAGE. |
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37 | */ |
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38 | |||
39 | #include <sys/cdefs.h> |
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40 | #ifndef lint |
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41 | #if 0 |
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42 | static char sccsid[] = "@(#)mail.c 8.2 (Berkeley) 5/4/95"; |
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43 | #else |
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44 | __RCSID("$NetBSD: mail.c,v 1.14 2000/07/03 03:26:19 matt Exp $"); |
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45 | #endif |
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46 | #endif /* not lint */ |
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47 | |||
48 | /* |
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49 | * Routines to check for mail. (Perhaps make part of main.c?) |
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50 | */ |
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51 | #include <sys/types.h> |
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52 | #include <sys/stat.h> |
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53 | #include <stdlib.h> |
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54 | |||
55 | #include "shell.h" |
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56 | #include "exec.h" /* defines padvance() */ |
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57 | #include "var.h" |
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58 | #include "output.h" |
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59 | #include "memalloc.h" |
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60 | #include "error.h" |
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61 | #include "mail.h" |
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62 | |||
63 | |||
64 | #define MAXMBOXES 10 |
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65 | |||
66 | |||
67 | STATIC int nmboxes; /* number of mailboxes */ |
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68 | STATIC time_t mailtime[MAXMBOXES]; /* times of mailboxes */ |
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69 | |||
70 | |||
71 | |||
72 | /* |
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73 | * Print appropriate message(s) if mail has arrived. If the argument is |
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74 | * nozero, then the value of MAIL has changed, so we just update the |
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75 | * values. |
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76 | */ |
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77 | |||
78 | void |
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79 | chkmail(silent) |
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80 | int silent; |
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81 | { |
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82 | int i; |
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83 | const char *mpath; |
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84 | char *p; |
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85 | char *q; |
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86 | struct stackmark smark; |
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87 | struct stat statb; |
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88 | |||
89 | if (silent) |
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90 | nmboxes = 10; |
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91 | if (nmboxes == 0) |
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92 | return; |
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93 | setstackmark(&smark); |
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94 | mpath = mpathset()? mpathval() : mailval(); |
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95 | for (i = 0 ; i < nmboxes ; i++) { |
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96 | p = padvance(&mpath, nullstr); |
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97 | if (p == NULL) |
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98 | break; |
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99 | if (*p == '\0') |
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100 | continue; |
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101 | for (q = p ; *q ; q++); |
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102 | if (q[-1] != '/') |
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103 | abort(); |
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104 | q[-1] = '\0'; /* delete trailing '/' */ |
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105 | #ifdef notdef /* this is what the System V shell claims to do (it lies) */ |
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106 | if (stat(p, &statb) < 0) |
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107 | statb.st_mtime = 0; |
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108 | if (statb.st_mtime > mailtime[i] && ! silent) { |
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109 | out2str(pathopt? pathopt : "you have mail"); |
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110 | out2c('\n'); |
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111 | } |
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112 | mailtime[i] = statb.st_mtime; |
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113 | #else /* this is what it should do */ |
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114 | if (stat(p, &statb) < 0) |
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115 | statb.st_size = 0; |
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116 | if (statb.st_size > mailtime[i] && ! silent) { |
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117 | out2str(pathopt? pathopt : "you have mail"); |
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118 | out2c('\n'); |
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119 | } |
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120 | mailtime[i] = statb.st_size; |
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121 | #endif |
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122 | } |
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123 | nmboxes = i; |
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124 | popstackmark(&smark); |
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125 | } |