Subversion Repositories HelenOS

Rev

Rev 2714 | Blame | Compare with Previous | Last modification | View Log | Download | RSS feed

  1. /*  $NetBSD: mail.c,v 1.14 2000/07/03 03:26:19 matt 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. All advertising materials mentioning features or use of this software
  19.  *    must display the following acknowledgement:
  20.  *  This product includes software developed by the University of
  21.  *  California, Berkeley and its contributors.
  22.  * 4. Neither the name of the University nor the names of its contributors
  23.  *    may be used to endorse or promote products derived from this software
  24.  *    without specific prior written permission.
  25.  *
  26.  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  27.  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  28.  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  29.  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  30.  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  31.  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  32.  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  33.  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  34.  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  35.  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  36.  * SUCH DAMAGE.
  37.  */
  38.  
  39. #include <sys/cdefs.h>
  40. #ifndef lint
  41. #if 0
  42. static char sccsid[] = "@(#)mail.c  8.2 (Berkeley) 5/4/95";
  43. #else
  44. __RCSID("$NetBSD: mail.c,v 1.14 2000/07/03 03:26:19 matt Exp $");
  45. #endif
  46. #endif /* not lint */
  47.  
  48. /*
  49.  * Routines to check for mail.  (Perhaps make part of main.c?)
  50.  */
  51. #include <sys/types.h>
  52. #include <sys/stat.h>
  53. #include <stdlib.h>
  54.  
  55. #include "shell.h"
  56. #include "exec.h"   /* defines padvance() */
  57. #include "var.h"
  58. #include "output.h"
  59. #include "memalloc.h"
  60. #include "error.h"
  61. #include "mail.h"
  62.  
  63.  
  64. #define MAXMBOXES 10
  65.  
  66.  
  67. STATIC int nmboxes;         /* number of mailboxes */
  68. STATIC time_t mailtime[MAXMBOXES];  /* times of mailboxes */
  69.  
  70.  
  71.  
  72. /*
  73.  * Print appropriate message(s) if mail has arrived.  If the argument is
  74.  * nozero, then the value of MAIL has changed, so we just update the
  75.  * values.
  76.  */
  77.  
  78. void
  79. chkmail(silent)
  80.     int silent;
  81. {
  82.     int i;
  83.     const char *mpath;
  84.     char *p;
  85.     char *q;
  86.     struct stackmark smark;
  87.     struct stat statb;
  88.  
  89.     if (silent)
  90.         nmboxes = 10;
  91.     if (nmboxes == 0)
  92.         return;
  93.     setstackmark(&smark);
  94.     mpath = mpathset()? mpathval() : mailval();
  95.     for (i = 0 ; i < nmboxes ; i++) {
  96.         p = padvance(&mpath, nullstr);
  97.         if (p == NULL)
  98.             break;
  99.         if (*p == '\0')
  100.             continue;
  101.         for (q = p ; *q ; q++);
  102.         if (q[-1] != '/')
  103.             abort();
  104.         q[-1] = '\0';           /* delete trailing '/' */
  105. #ifdef notdef /* this is what the System V shell claims to do (it lies) */
  106.         if (stat(p, &statb) < 0)
  107.             statb.st_mtime = 0;
  108.         if (statb.st_mtime > mailtime[i] && ! silent) {
  109.             out2str(pathopt? pathopt : "you have mail");
  110.             out2c('\n');
  111.         }
  112.         mailtime[i] = statb.st_mtime;
  113. #else /* this is what it should do */
  114.         if (stat(p, &statb) < 0)
  115.             statb.st_size = 0;
  116.         if (statb.st_size > mailtime[i] && ! silent) {
  117.             out2str(pathopt? pathopt : "you have mail");
  118.             out2c('\n');
  119.         }
  120.         mailtime[i] = statb.st_size;
  121. #endif
  122.     }
  123.     nmboxes = i;
  124.     popstackmark(&smark);
  125. }
  126.