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/* $Id: mail.c,v 1.3 2001/02/21 04:48:13 reinelt Exp $
*
* email specific functions
*
* Copyright 2001 by Axel Ehnert <Axel@Ehnert.net>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*
* $Log: mail.c,v $
* Revision 1.3 2001/02/21 04:48:13 reinelt
*
* big mailbox patch from Axel Ehnert
* thanks to herp for his idea to check mtime of mailbox
*
* Revision 1.2 2001/02/19 00:15:46 reinelt
*
* integrated mail and seti client
* major rewrite of parser and tokenizer to support double-byte tokens
*
* Revision 1.1 2001/02/18 22:11:34 reinelt
* *** empty log message ***
*
*/
/*
* exported functions:
*
* Mail (int index, int *num)
* returns 0 if ok, -1 if error
* sets num to number of emails in mailbox #index
*
*/
#define FALSE 0
#define TRUE 1
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <sys/types.h>
#include <sys/time.h>
#include <sys/stat.h>
#include "cfg.h"
#include "debug.h"
#include "mail.h"
int Mail (int index, int *num)
{
FILE *fstr;
char buffer[32];
static int cfgmbx[MAILBOXES+1]={[0 ... MAILBOXES]=TRUE,}; // Mailbox #index configured?
static time_t mbxlt[MAILBOXES+1]={[0 ... MAILBOXES]=0,}; // mtime of Mailbox #index
static int mbxnum[MAILBOXES+1]={[0 ... MAILBOXES]=0,}; // Last calculated # of mails
static time_t now[MAILBOXES+1]={[0 ... MAILBOXES]=0,}; // Last call to procedure at
// for Mailbox #index
char *fnp1;
int v1=0;
int last_line_blank1; // Was the last line blank?
struct stat fst;
int rc;
char *txt;
char txt1[100];
if (index<1 || index>MAILBOXES) return -1;
if (time(NULL)==now[index]) return 0; // More then 1 second after last check
time(&now[index]); // for Mailbox #index
/*
Build the filename from the config
*/
snprintf(buffer, 32, "Mailbox%d", index);
fnp1=cfg_get(buffer);
if (fnp1==NULL || *fnp1=='\0') {
cfgmbx[index]=FALSE; // There is now entry for Mailbox #index
}
v1=mbxnum[index];
/*
Open the file
*/
if (cfgmbx[index]==TRUE) {
/*
Check the last touch of mailbox. Changed?
*/
rc=stat(fnp1, &fst);
if ( rc != 0 ) {
error ("Error getting stat of Mailbox%d", index );
return (-1);
}
if ( mbxlt[index] != fst.st_mtime ) {
mbxlt[index]=fst.st_mtime;
fstr=fopen(fnp1,"r");
if (fstr != NULL) {
txt=&txt1[0];
last_line_blank1=TRUE;
v1=0;
while ( ( fgets ( txt1, 100, fstr ) ) != NULL ) {
txt1[strlen(txt1)-1]='\0'; // cut the newline
/*
Is there a "From ..." line. Count only, if a blank line was directly before this
*/
if ( strncmp (txt1, "From ", 5 ) == 0 ) {
if ( last_line_blank1 == TRUE ) {
v1++;
debug ("mailbox%d found mail %d",index, v1);
last_line_blank1 = FALSE;
}
}
if ( strlen (txt1) == 0 ) {
last_line_blank1 = TRUE;
}
else {
last_line_blank1 = FALSE;
}
}
fclose (fstr);
}
}
}
mbxnum[index]=v1;
*num=v1;
return (0);
}
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