| /* $NetBSD: mail.c,v 1.16 2003/08/07 09:05:33 agc Exp $ */ |
| |
| /*- |
| * Copyright (c) 1991, 1993 |
| * The Regents of the University of California. All rights reserved. |
| * |
| * This code is derived from software contributed to Berkeley by |
| * Kenneth Almquist. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * 3. Neither the name of the University nor the names of its contributors |
| * may be used to endorse or promote products derived from this software |
| * without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| */ |
| |
| #ifndef __KLIBC__ |
| #include <sys/cdefs.h> |
| #endif |
| #ifndef __RCSID |
| #define __RCSID(arg) |
| #endif |
| #ifndef lint |
| #if 0 |
| static char sccsid[] = "@(#)mail.c 8.2 (Berkeley) 5/4/95"; |
| #else |
| __RCSID("$NetBSD: mail.c,v 1.16 2003/08/07 09:05:33 agc Exp $"); |
| #endif |
| #endif /* not lint */ |
| |
| /* |
| * Routines to check for mail. (Perhaps make part of main.c?) |
| */ |
| #include <sys/types.h> |
| #include <sys/stat.h> |
| #include <stdlib.h> |
| |
| #include "shell.h" |
| #include "exec.h" /* defines padvance() */ |
| #include "var.h" |
| #include "output.h" |
| #include "memalloc.h" |
| #include "error.h" |
| #include "mail.h" |
| |
| |
| #define MAXMBOXES 10 |
| |
| |
| STATIC int nmboxes; /* number of mailboxes */ |
| STATIC time_t mailtime[MAXMBOXES]; /* times of mailboxes */ |
| |
| |
| |
| /* |
| * Print appropriate message(s) if mail has arrived. If the argument is |
| * nozero, then the value of MAIL has changed, so we just update the |
| * values. |
| */ |
| |
| void |
| chkmail(int silent) |
| { |
| int i; |
| const char *mpath; |
| char *p; |
| char *q; |
| struct stackmark smark; |
| struct stat statb; |
| |
| if (silent) |
| nmboxes = 10; |
| if (nmboxes == 0) |
| return; |
| setstackmark(&smark); |
| mpath = mpathset() ? mpathval() : mailval(); |
| for (i = 0 ; i < nmboxes ; i++) { |
| p = padvance(&mpath, nullstr); |
| if (p == NULL) |
| break; |
| if (*p == '\0') |
| continue; |
| for (q = p ; *q ; q++); |
| if (q[-1] != '/') |
| abort(); |
| q[-1] = '\0'; /* delete trailing '/' */ |
| #ifdef notdef /* this is what the System V shell claims to do (it lies) */ |
| if (stat(p, &statb) < 0) |
| statb.st_mtime = 0; |
| if (statb.st_mtime > mailtime[i] && ! silent) { |
| out2str(pathopt ? pathopt : "you have mail"); |
| out2c('\n'); |
| } |
| mailtime[i] = statb.st_mtime; |
| #else /* this is what it should do */ |
| if (stat(p, &statb) < 0) |
| statb.st_size = 0; |
| if (statb.st_size > mailtime[i] && ! silent) { |
| out2str(pathopt ? pathopt : "you have mail"); |
| out2c('\n'); |
| } |
| mailtime[i] = statb.st_size; |
| #endif |
| } |
| nmboxes = i; |
| popstackmark(&smark); |
| } |