11556Srgrimes/*- 21556Srgrimes * Copyright (c) 1991, 1993 31556Srgrimes * The Regents of the University of California. All rights reserved. 41556Srgrimes * 51556Srgrimes * This code is derived from software contributed to Berkeley by 61556Srgrimes * Kenneth Almquist. 71556Srgrimes * 81556Srgrimes * Redistribution and use in source and binary forms, with or without 91556Srgrimes * modification, are permitted provided that the following conditions 101556Srgrimes * are met: 111556Srgrimes * 1. Redistributions of source code must retain the above copyright 121556Srgrimes * notice, this list of conditions and the following disclaimer. 131556Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 141556Srgrimes * notice, this list of conditions and the following disclaimer in the 151556Srgrimes * documentation and/or other materials provided with the distribution. 161556Srgrimes * 4. Neither the name of the University nor the names of its contributors 171556Srgrimes * may be used to endorse or promote products derived from this software 181556Srgrimes * without specific prior written permission. 191556Srgrimes * 201556Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 211556Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 221556Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 231556Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 241556Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 251556Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 261556Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 271556Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 281556Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 291556Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 301556Srgrimes * SUCH DAMAGE. 311556Srgrimes */ 321556Srgrimes 331556Srgrimes#ifndef lint 3436150Scharnier#if 0 3536150Scharnierstatic char sccsid[] = "@(#)mail.c 8.2 (Berkeley) 5/4/95"; 3636150Scharnier#endif 371556Srgrimes#endif /* not lint */ 3899110Sobrien#include <sys/cdefs.h> 3999110Sobrien__FBSDID("$FreeBSD$"); 401556Srgrimes 411556Srgrimes/* 421556Srgrimes * Routines to check for mail. (Perhaps make part of main.c?) 431556Srgrimes */ 441556Srgrimes 451556Srgrimes#include "shell.h" 461556Srgrimes#include "exec.h" /* defines padvance() */ 47149017Sstefanf#include "mail.h" 481556Srgrimes#include "var.h" 491556Srgrimes#include "output.h" 501556Srgrimes#include "memalloc.h" 511556Srgrimes#include "error.h" 521556Srgrimes#include <sys/types.h> 531556Srgrimes#include <sys/stat.h> 5478469Sdes#include <stdlib.h> 551556Srgrimes 561556Srgrimes 571556Srgrimes#define MAXMBOXES 10 581556Srgrimes 591556Srgrimes 60213760Sobrienstatic int nmboxes; /* number of mailboxes */ 61213760Sobrienstatic time_t mailtime[MAXMBOXES]; /* times of mailboxes */ 621556Srgrimes 631556Srgrimes 641556Srgrimes 651556Srgrimes/* 661556Srgrimes * Print appropriate message(s) if mail has arrived. If the argument is 671556Srgrimes * nozero, then the value of MAIL has changed, so we just update the 681556Srgrimes * values. 691556Srgrimes */ 701556Srgrimes 711556Srgrimesvoid 7290111Simpchkmail(int silent) 7317987Speter{ 7425222Ssteve int i; 75200956Sjilles const char *mpath; 761556Srgrimes char *p; 7725222Ssteve char *q; 781556Srgrimes struct stackmark smark; 791556Srgrimes struct stat statb; 801556Srgrimes 811556Srgrimes if (silent) 821556Srgrimes nmboxes = 10; 831556Srgrimes if (nmboxes == 0) 841556Srgrimes return; 851556Srgrimes setstackmark(&smark); 861556Srgrimes mpath = mpathset()? mpathval() : mailval(); 871556Srgrimes for (i = 0 ; i < nmboxes ; i++) { 881556Srgrimes p = padvance(&mpath, nullstr); 891556Srgrimes if (p == NULL) 901556Srgrimes break; 911556Srgrimes if (*p == '\0') 921556Srgrimes continue; 931556Srgrimes for (q = p ; *q ; q++); 941556Srgrimes if (q[-1] != '/') 951556Srgrimes abort(); 961556Srgrimes q[-1] = '\0'; /* delete trailing '/' */ 971556Srgrimes#ifdef notdef /* this is what the System V shell claims to do (it lies) */ 981556Srgrimes if (stat(p, &statb) < 0) 991556Srgrimes statb.st_mtime = 0; 1001556Srgrimes if (statb.st_mtime > mailtime[i] && ! silent) { 1011556Srgrimes out2str(pathopt? pathopt : "you have mail"); 1021556Srgrimes out2c('\n'); 1031556Srgrimes } 1041556Srgrimes mailtime[i] = statb.st_mtime; 1051556Srgrimes#else /* this is what it should do */ 1061556Srgrimes if (stat(p, &statb) < 0) 1071556Srgrimes statb.st_size = 0; 1081556Srgrimes if (statb.st_size > mailtime[i] && ! silent) { 1091556Srgrimes out2str(pathopt? pathopt : "you have mail"); 1101556Srgrimes out2c('\n'); 1111556Srgrimes } 1121556Srgrimes mailtime[i] = statb.st_size; 1131556Srgrimes#endif 1141556Srgrimes } 1151556Srgrimes nmboxes = i; 1161556Srgrimes popstackmark(&smark); 1171556Srgrimes} 118