/* $Id: mail.c,v 1.4 2001/03/08 09:02:04 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 1.4  2001/03/08 09:02:04  reinelt
 *
 * seti client cleanup
 *
 * 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, sizeof(buffer), "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);
}

+0100'>2024-01-30</span></td><td class='logsubject'><a href='/dtv-scan-tables.git/commit/dvb-s/Yamal-601-49.0E?id=118e8c00436b524273499b6c01b0c4e77083a4b5&amp;follow=1'>dvb-s: update from today's Lyngsat report</a></td><td>Mauro Carvalho Chehab</td><td>196</td><td><span class='deletions'>-15543</span>/<span class='insertions'>+15859</span></td></tr>
<tr class='nohover-highlight'><td/><td colspan='5' class='logmsg'>
Signed-off-by: Mauro Carvalho Chehab &lt;mchehab@kernel.org&gt;


</td></tr>
<tr class='logheader'><td><span title='2024-01-30 17:06:37 +0100'>2024-01-30</span></td><td class='logsubject'><a href='/dtv-scan-tables.git/commit/dvb-t/uk-WinterHill?id=fca403cc92717328bccb3b2a4c747a474632c0da&amp;follow=1'>dtv-scan-tables: full uk transmitter update</a></td><td>Simon Liddicott</td><td>81</td><td><span class='deletions'>-500</span>/<span class='insertions'>+163</span></td></tr>
<tr class='nohover-highlight'><td/><td colspan='5' class='logmsg'>
updates all transmitter files, removes discontinued muxes

Link: https://lore.kernel.org/linux-media/20230216010528.5921-1-simon@liddicott.com
Signed-off-by: Simon Liddicott &lt;simon@liddicott.com&gt;
Signed-off-by: Mauro Carvalho Chehab &lt;mchehab@kernel.org&gt;


</td></tr>
<tr class='logheader'><td><span title='2022-11-25 11:46:20 +0000'>2022-11-25</span></td><td class='logsubject'><a href='/dtv-scan-tables.git/commit/dvb-c/hu-Digikabel?id=833d4cc1dddb3560e93ef7dc6951ab5c204b5c13&amp;follow=1'>dtv-scan-tables: hu-Digikabel changes</a></td><td>Hrotkó Gábor</td><td>1</td><td><span class='deletions'>-1</span>/<span class='insertions'>+26</span></td></tr>
<tr class='nohover-highlight'><td/><td colspan='5' class='logmsg'>
Modifications by: https://digi.hu/tv/csatornalista

         FREQUENCY = 121000000

Link: https://lore.kernel.org/linux-media/8c632dad-d428-402e-a171-baf7234f2d85@gmail.com
Signed-off-by: Mauro Carvalho Chehab &lt;mchehab@kernel.org&gt;


</td></tr>
<tr class='logheader'><td><span title='2022-04-30 16:02:58 +0100'>2022-04-30</span></td><td class='logsubject'><a href='/dtv-scan-tables.git/commit/dvb-t/pt-All?id=57ed2982275045ea5e92ef2a40b9fa58255852e5&amp;follow=1'>pt-All: fix modulation</a></td><td>Mauro Carvalho Chehab</td><td>1</td><td><span class='deletions'>-10</span>/<span class='insertions'>+10</span></td></tr>
<tr class='nohover-highlight'><td/><td colspan='5' class='logmsg'>
Signed-off-by: Mauro Carvalho Chehab &lt;mchehab@kernel.org&gt;


</td></tr>
<tr class='logheader'><td><span title='2022-04-30 15:50:08 +0100'>2022-04-30</span></td><td class='logsubject'><a href='/dtv-scan-tables.git/commit/dvb-t/pt-All?id=5f7b549da3c7ed1e9dfe4fcbbda742a9d7ee5aec&amp;follow=1'>pt-All: Update Portugal channels</a></td><td>Mauro Carvalho Chehab</td><td>1</td><td><span class='deletions'>-34</span>/<span class='insertions'>+70</span></td></tr>
<tr class='nohover-highlight'><td/><td colspan='5' class='logmsg'>
There were some changes at Portugal channel frequencies, mostly
in 2020. Update the DVB-T channel list accordingly, in order to
reflect the current list of emitters.

Signed-off-by: Mauro Carvalho Chehab &lt;mchehab@kernel.org&gt;


</td></tr>
<tr class='logheader'><td><span title='2022-03-07 17:34:29 +0100'>2022-03-07</span></td><td class='logsubject'><a href='/dtv-scan-tables.git/commit/isdb-t/br-to-Palmas?id=e403f83644167e240668c0668a8de04532060683&amp;follow=1'>Update Brazilian ISDB-T tables</a></td><td>Mauro Carvalho Chehab</td><td>549</td><td><span class='deletions'>-2923</span>/<span class='insertions'>+13860</span></td></tr>
<tr class='nohover-highlight'><td/><td colspan='5' class='logmsg'>
Signed-off-by: Mauro Carvalho Chehab &lt;mchehab@kernel.org&gt;


</td></tr>
<tr class='logheader'><td><span title='2022-03-07 17:05:00 +0100'>2022-03-07</span></td><td class='logsubject'><a href='/dtv-scan-tables.git/commit/dvb-s/Intelsat-38-45.1E?id=0eb034356d9699799ed8633ac3fe01622d39e6ff&amp;follow=1'>Update satellite channel lists from Lyngsat</a></td><td>Mauro Carvalho Chehab</td><td>54</td><td><span class='deletions'>-1882</span>/<span class='insertions'>+2326</span></td></tr>
<tr class='nohover-highlight'><td/><td colspan='5' class='logmsg'>
Signed-off-by: Mauro Carvalho Chehab &lt;mchehab@kernel.org&gt;


</td></tr>
<tr class='logheader'><td><span title='2021-12-14 12:36:28 +0100'>2021-12-14</span></td><td class='logsubject'><a href='/dtv-scan-tables.git/commit/dvb-t/uk-WinterHill?id=5acecf65ccd5633c50b8c199cce50fb734635097&amp;follow=1'>dtv-scan-tables: latest UK changes</a></td><td>Simon Liddicott</td><td>4</td><td><span class='deletions'>-24</span>/<span class='insertions'>+24</span></td></tr>
<tr class='nohover-highlight'><td/><td colspan='5' class='logmsg'>
only includes transmitters where there have been changes

Link: https://lore.kernel.org/linux-media/20210128234622.75009-1-simon@liddicott.com
Signed-off-by: Simon Liddicott &lt;simon@liddicott.com&gt;
Signed-off-by: Mauro Carvalho Chehab &lt;mchehab+huawei@kernel.org&gt;


</td></tr>
<tr class='logheader'><td><span title='2021-04-30 21:33:05 +0200'>2021-04-30</span></td><td class='logsubject'><a href='/dtv-scan-tables.git/commit/isdb-t/br-to-Tupirama?id=25ee9e0ce4bbacdb278d4cff306ceb6528c4f548&amp;follow=1'>update Brazilian scan files</a></td><td>Mauro Carvalho Chehab</td><td>2476</td><td><span class='deletions'>-12805</span>/<span class='insertions'>+69312</span></td></tr>
<tr class='nohover-highlight'><td/><td colspan='5' class='logmsg'>
Data updated according with https://portalbsd.com.br/.

Signed-off-by: Mauro Carvalho Chehab &lt;mchehab+huawei@kernel.org&gt;


</td></tr>
<tr class='logheader'><td><span title='2021-04-30 13:29:02 +0200'>2021-04-30</span></td><td class='logsubject'><a href='/dtv-scan-tables.git/commit/dvb-s/Yamal201-90.0E?id=66ec1eabbf6a596b42f6d4802b6aead3e8ba1ad5&amp;follow=1'>Remove legacy entries</a></td><td>Mauro Carvalho Chehab</td><td>129</td><td><span class='deletions'>-24898</span>/<span class='insertions'>+0</span></td></tr>
<tr class='nohover-highlight'><td/><td colspan='5' class='logmsg'>
There are several entries that used to be at Lyngsat.
Several of them were merged with other entries.
On others, there's no TV signal anymore.

So, drop them.

Signed-off-by: Mauro Carvalho Chehab &lt;mchehab+huawei@kernel.org&gt;


</td></tr>
<tr class='logheader'><td><span title='2021-04-30 13:28:58 +0200'>2021-04-30</span></td><td class='logsubject'><a href='/dtv-scan-tables.git/commit/dvb-s/Yamal-601-49.0E?id=f46e7874dd45f03f47b31e8cd56108f3f10711f8&amp;follow=1'>Add new satellites from Lyngsat</a></td><td>Mauro Carvalho Chehab</td><td>75</td><td><span class='deletions'>-21</span>/<span class='insertions'>+29721</span></td></tr>
<tr class='nohover-highlight'><td/><td colspan='5' class='logmsg'>
Those are are new satellite descriptions that didn't use to
exist on Lyngsat. Add them.

Signed-off-by: Mauro Carvalho Chehab &lt;mchehab+huawei@kernel.org&gt;


</td></tr>
<tr class='logheader'><td><span title='2021-04-30 10:31:15 +0200'>2021-04-30</span></td><td class='logsubject'><a href='/dtv-scan-tables.git/commit/dvb-s/Intelsat-38-45.1E?id=137a4b9176f8fb074c955a49ae97865d2fb85095&amp;follow=1'>Rename a few satellites with two names and update frequencies</a></td><td>Mauro Carvalho Chehab</td><td>2</td><td><span class='deletions'>-283</span>/<span class='insertions'>+182</span></td></tr>
<tr class='nohover-highlight'><td/><td colspan='5' class='logmsg'>
Those two satellites have two names. Use Just one of them.

While here, update their frequencies from Lyngsat.

Signed-off-by: Mauro Carvalho Chehab &lt;mchehab+huawei@kernel.org&gt;


</td></tr>
<tr class='logheader'><td><span title='2021-04-30 10:29:42 +0200'>2021-04-30</span></td><td class='logsubject'><a href='/dtv-scan-tables.git/commit/dvb-s/Yamal-402-54.9E?id=cf6e4b502139112c82f092001eb6b9ac3912182a&amp;follow=1'>Update frequencies from Lyngsat</a></td><td>Mauro Carvalho Chehab</td><td>188</td><td><span class='deletions'>-12304</span>/<span class='insertions'>+12666</span></td></tr>
<tr class='nohover-highlight'><td/><td colspan='5' class='logmsg'>
Signed-off-by: Mauro Carvalho Chehab &lt;mchehab+huawei@kernel.org&gt;


</td></tr>