/* $Id$
 * $URL$
 *
 * plugin to perform simple file operations
 *
 * Copyright (C) 2006 Chris Maj <cmaj@freedomcorpse.com>
 * Copyright (C) 2006 The LCD4Linux Team <lcd4linux-devel@users.sourceforge.net>
 *
 * This file is part of LCD4Linux.
 *
 * LCD4Linux 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.
 *
 * LCD4Linux 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.
 *
 */

/* 
 * exported functions:
 *
 * int plugin_init_file (void)
 *  adds various functions
 *
 */


/* define the include files you need */
#include "config.h"

#include <stdio.h>
#include <string.h>

/* these should always be included */
#include "debug.h"
#include "plugin.h"

#ifdef WITH_DMALLOC
#include <dmalloc.h>
#endif


/* function 'readline' */
/* takes two arguments, file name and line number */
/* returns text of that line */

static void my_readline(RESULT * result, RESULT * arg1, RESULT * arg2)
{
    char value[80], val2[80];
    FILE *fp;
    int reqline, i, size;

    reqline = R2N(arg2);
    fp = fopen(R2S(arg1), "r");
    if (!fp) {
	error("readline couldn't open file '%s'", R2S(arg1));
	value[0] = '\0';
    } else {
	i = 0;
	while (!feof(fp) && i++ < reqline) {
	    fgets(val2, sizeof(val2), fp);
	    size = strcspn(val2, "\r\n");
	    strncpy(value, val2, size);
	    value[size] = '\0';
	    /* more than 80 chars, chew up rest of line */
	    while (!feof(fp) && strchr(val2, '\n') == NULL) {
		fgets(val2, sizeof(val2), fp);
	    }
	}
	fclose(fp);
	if (i <= reqline) {
	    error("readline requested line %d but file only had %d lines", reqline, i - 1);
	    value[0] = '\0';
	}
    }

    /* store result */
    SetResult(&result, R_STRING, &value);
}

/* plugin initialization */
/* MUST NOT be declared 'static'! */
int plugin_init_file(void)
{

    /* register all our cool functions */
    /* the second parameter is the number of arguments */
    /* -1 stands for variable argument list */
    AddFunction("file::readline", 2, my_readline);

    return 0;
}

void plugin_exit_file(void)
{
    /* free any allocated memory */
    /* close filedescriptors */
}
/commit/isdb-t/br-to-Tocantinopolis?id=e810c267c3a6960c8d57935bb1a9b334026038ed&amp;follow=1'>isdb-t: Update Brazil channel lists</a></td><td>Mauro Carvalho Chehab</td><td>1935</td><td><span class='deletions'>-11312</span>/<span class='insertions'>+70605</span></td></tr>
<tr><td><span title='2024-01-30 17:34:57 +0100'>2024-01-30</span></td><td><a href='/dtv-scan-tables.git/commit/dvb-s/Trksat-3A4A-42.0E?id=76c5a9110f7ee40fd1c63eca8ca84b125a0ac11e&amp;follow=1'>dvb-s: drop transponders that aren't there at Lyngsat anymore</a></td><td>Mauro Carvalho Chehab</td><td>50</td><td><span class='deletions'>-20357</span>/<span class='insertions'>+0</span></td></tr>
<tr><td><span title='2024-01-30 17:31:26 +0100'>2024-01-30</span></td><td><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><td><span title='2024-01-30 17:06:37 +0100'>2024-01-30</span></td><td><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><td><span title='2022-11-25 11:46:20 +0000'>2022-11-25</span></td><td><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><td><span title='2022-04-30 16:02:58 +0100'>2022-04-30</span></td><td><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><td><span title='2022-04-30 15:50:08 +0100'>2022-04-30</span></td><td><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><td><span title='2022-03-07 17:34:29 +0100'>2022-03-07</span></td><td><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><td><span title='2022-03-07 17:05:00 +0100'>2022-03-07</span></td><td><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><td><span title='2021-12-14 12:36:28 +0100'>2021-12-14</span></td><td><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><td><span title='2021-04-30 21:33:05 +0200'>2021-04-30</span></td><td><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><td><span title='2021-04-30 13:29:02 +0200'>2021-04-30</span></td><td><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><td><span title='2021-04-30 13:28:58 +0200'>2021-04-30</span></td><td><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><td><span title='2021-04-30 10:31:15 +0200'>2021-04-30</span></td><td><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><td><span title='2021-04-30 10:29:42 +0200'>2021-04-30</span></td><td><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>