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/*-
* Copyright (c) 1991, 1993
* The Regents of the University of California. All rights reserved.
* Copyright (c) 1997-2005
* Herbert Xu <herbert@gondor.apana.org.au>. 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.
*/
/*
* 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 "nodes.h"
#include "exec.h" /* defines padvance() */
#include "var.h"
#include "output.h"
#include "memalloc.h"
#include "error.h"
#include "mail.h"
#include "mystring.h"
#define MAXMBOXES 10
/* times of mailboxes */
static time_t mailtime[MAXMBOXES];
/* Set if MAIL or MAILPATH is changed. */
static int changed;
/*
* Print appropriate message(s) if mail has arrived. If changed is set,
* then the value of MAIL has changed, so we just update the values.
*/
void
chkmail(void)
{
const char *mpath;
char *p;
char *q;
time_t *mtp;
struct stackmark smark;
struct stat64 statb;
setstackmark(&smark);
mpath = mpathset() ? mpathval() : mailval();
for (mtp = mailtime; mtp < mailtime + MAXMBOXES; mtp++) {
p = padvance(&mpath, nullstr);
if (p == NULL)
break;
if (*p == '\0')
continue;
for (q = p ; *q ; q++);
#ifdef DEBUG
if (q[-1] != '/')
abort();
#endif
q[-1] = '\0'; /* delete trailing '/' */
if (stat64(p, &statb) < 0) {
*mtp = 0;
continue;
}
if (!changed && statb.st_mtime != *mtp) {
outfmt(
&errout, snlfmt,
pathopt ? pathopt : "you have mail"
);
}
*mtp = statb.st_mtime;
}
changed = 0;
popstackmark(&smark);
}
void
changemail(const char *val)
{
changed++;
}
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