/* $Id$
 * $URL$
 *
 * 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 */
}
ref='/debian/lcd4linux.git/log/README?id=cdfb1aa167a509eb8b0d74b70b90c19baad1c927&amp;showmsg=1&amp;follow=1'>Expand</a>)</th><th class='left'>Author</th><th class='left'>Files</th><th class='left'>Lines</th></tr>
<tr><td><span title='2005-05-11 04:27:49 +0000'>2005-05-11</span></td><td><a href='/debian/lcd4linux.git/commit/drv_serdisplib.c?id=2d82df26d4a96a4c8e7c94624f154177f2d99604&amp;follow=1'>[lcd4linux @ 2005-05-11 04:27:49 by reinelt]</a></td><td>reinelt</td><td>1</td><td><span class='deletions'>-11</span>/<span class='insertions'>+6</span></td></tr>
<tr><td><span title='2005-05-10 13:20:14 +0000'>2005-05-10</span></td><td><a href='/debian/lcd4linux.git/commit/lcd4linux.conf.sample?id=bb7cefc6adec182310d8ed7707e2e5b8b74f7976&amp;follow=1'>[lcd4linux @ 2005-05-10 13:20:10 by reinelt]</a></td><td>reinelt</td><td>9</td><td><span class='deletions'>-22</span>/<span class='insertions'>+511</span></td></tr>
<tr><td><span title='2005-05-08 04:32:45 +0000'>2005-05-08</span></td><td><a href='/debian/lcd4linux.git/commit/widget_text.h?id=2823491ff6ae1c4bacb4026b5c8f7ff321ce9d39&amp;follow=1'>[lcd4linux @ 2005-05-08 04:32:43 by reinelt]</a></td><td>reinelt</td><td>94</td><td><span class='deletions'>-15305</span>/<span class='insertions'>+16121</span></td></tr>
<tr><td><span title='2005-05-06 06:41:53 +0000'>2005-05-06</span></td><td><a href='/debian/lcd4linux.git/commit/python.m4?id=5a63c929acc375d090cd933c331ffb3e171bd0b6&amp;follow=1'>[lcd4linux @ 2005-05-06 06:41:53 by reinelt]</a></td><td>reinelt</td><td>1</td><td><span class='deletions'>-1</span>/<span class='insertions'>+1</span></td></tr>
<tr><td><span title='2005-05-06 06:37:34 +0000'>2005-05-06</span></td><td><a href='/debian/lcd4linux.git/commit/widget_bar.h?id=fd213b79c1c7bae053920db05c8b0a79e2d62fd4&amp;follow=1'>[lcd4linux @ 2005-05-06 06:37:34 by reinelt]</a></td><td>reinelt</td><td>3</td><td><span class='deletions'>-31</span>/<span class='insertions'>+112</span></td></tr>
<tr><td><span title='2005-05-06 05:40:03 +0000'>2005-05-06</span></td><td><a href='/debian/lcd4linux.git/commit/documentation/xsl/xhtml.xsl?id=35f5c1546dc5d4b69bb614416e6dc5dfe8706a68&amp;follow=1'>[lcd4linux @ 2005-05-06 05:40:02 by reinelt]</a></td><td>reinelt</td><td>20</td><td><span class='deletions'>-2167</span>/<span class='insertions'>+0</span></td></tr>
<tr><td><span title='2005-05-06 05:36:59 +0000'>2005-05-06</span></td><td><a href='/debian/lcd4linux.git/commit/documentation/data/references.xml?id=2b068848691202d26100cdf75c62c460313983ec&amp;follow=1'>[lcd4linux @ 2005-05-06 05:36:58 by reinelt]</a></td><td>reinelt</td><td>6</td><td><span class='deletions'>-238</span>/<span class='insertions'>+0</span></td></tr>
<tr><td><span title='2005-05-05 08:36:12 +0000'>2005-05-05</span></td><td><a href='/debian/lcd4linux.git/commit/lcd4linux.conf.sample?id=9e6200afe91ee60ab080c3a8c23e8630c22f4055&amp;follow=1'>[lcd4linux @ 2005-05-05 08:36:12 by reinelt]</a></td><td>reinelt</td><td>6</td><td><span class='deletions'>-15</span>/<span class='insertions'>+34</span></td></tr>
<tr><td><span title='2005-05-04 07:18:44 +0000'>2005-05-04</span></td><td><a href='/debian/lcd4linux.git/commit/drv_Noritake.c?id=9e6e94019e641cb6dd8ede3fd45482263a974d49&amp;follow=1'>[lcd4linux @ 2005-05-04 07:18:44 by obconseil]</a></td><td>obconseil</td><td>1</td><td><span class='deletions'>-36</span>/<span class='insertions'>+84</span></td></tr>
<tr><td><span title='2005-05-04 06:13:05 +0000'>2005-05-04</span></td><td><a href='/debian/lcd4linux.git/commit/drv_generic_parport.h?id=803daeef2e9f5f1047d7ddea518caf6ed48ff7d2&amp;follow=1'>[lcd4linux @ 2005-05-04 06:13:05 by reinelt]</a></td><td>reinelt</td><td>2</td><td><span class='deletions'>-12</span>/<span class='insertions'>+77</span></td></tr>
<tr><td><span title='2005-05-04 05:42:38 +0000'>2005-05-04</span></td><td><a href='/debian/lcd4linux.git/commit/drv_Noritake.c?id=d5547cff8af62a296bc5e169da66cdcdc73c5af3&amp;follow=1'>[lcd4linux @ 2005-05-04 05:42:37 by reinelt]</a></td><td>reinelt</td><td>7</td><td><span class='deletions'>-23</span>/<span class='insertions'>+398</span></td></tr>
<tr><td><span title='2005-05-04 05:22:12 +0000'>2005-05-04</span></td><td><a href='/debian/lcd4linux.git/commit/plugin_python.c?id=b3545ccc14ea8c34618dc049bb9a3ba187145411&amp;follow=1'>[lcd4linux @ 2005-05-04 05:22:12 by reinelt]</a></td><td>reinelt</td><td>1</td><td><span class='deletions'>-28</span>/<span class='insertions'>+31</span></td></tr>
<tr><td><span title='2005-05-03 11:13:24 +0000'>2005-05-03</span></td><td><a href='/debian/lcd4linux.git/commit/plugins.m4?id=428c1c713a0f01fbc50bf33d741c9a0b432139f4&amp;follow=1'>[lcd4linux @ 2005-05-03 11:13:23 by reinelt]</a></td><td>reinelt</td><td>6</td><td><span class='deletions'>-30</span>/<span class='insertions'>+122</span></td></tr>
<tr><td><span title='2005-05-02 10:29:20 +0000'>2005-05-02</span></td><td><a href='/debian/lcd4linux.git/commit/python.m4?id=3f9d0ec33a203cf19aa380fb07d26f30b6549580&amp;follow=1'>[lcd4linux @ 2005-05-02 10:29:20 by reinelt]</a></td><td>reinelt</td><td>9</td><td><span class='deletions'>-30</span>/<span class='insertions'>+636</span></td></tr>
<tr><td><span title='2005-05-02 05:15:46 +0000'>2005-05-02</span></td><td><a href='/debian/lcd4linux.git/commit/lcd4linux.conf.sample?id=bce8f6ed91e5264dadae0d77171dc2d94e9a867e&amp;follow=1'>[lcd4linux @ 2005-05-02 05:15:46 by reinelt]</a></td><td>reinelt</td><td>4</td><td><span class='deletions'>-9</span>/<span class='insertions'>+51</span></td></tr>
<tr><td><span title='2005-04-30 06:02:09 +0000'>2005-04-30</span></td><td><a href='/debian/lcd4linux.git/commit/lcd4linux.conf.sample?id=926e9c023da6589ce763e7d1466acc77fc593f43&amp;follow=1'>[lcd4linux @ 2005-04-30 06:02:09 by reinelt]</a></td><td>reinelt</td><td>3</td><td><span class='deletions'>-15</span>/<span class='insertions'>+44</span></td></tr>
<tr><td><span title='2005-04-24 05:27:09 +0000'>2005-04-24</span></td><td><a href='/debian/lcd4linux.git/commit/lcd4linux.conf.sample?id=85f08f60537152a80d24683454272c9984a01015&amp;follow=1'>[lcd4linux @ 2005-04-24 05:27:09 by reinelt]</a></td><td>reinelt</td><td>2</td><td><span class='deletions'>-7</span>/<span class='insertions'>+38</span></td></tr>
<tr><td><span title='2005-04-24 04:41:28 +0000'>2005-04-24</span></td><td><a href='/debian/lcd4linux.git/commit/ChangeLog?id=61a9bac9c5e4198f4a6d30f15ff5943764171a34&amp;follow=1'>[lcd4linux @ 2005-04-24 04:41:28 by reinelt]</a></td><td>reinelt</td><td>1</td><td><span class='deletions'>-0</span>/<span class='insertions'>+68</span></td></tr>
<tr><td><span title='2005-04-24 04:33:46 +0000'>2005-04-24</span></td><td><a href='/debian/lcd4linux.git/commit/lcd4linux.conf.sample?id=c8b000e75378fbaa060b9377fef0c392d2289386&amp;follow=1'>[lcd4linux @ 2005-04-24 04:33:46 by reinelt]</a></td><td>reinelt</td><td>9</td><td><span class='deletions'>-10</span>/<span class='insertions'>+444</span></td></tr>
<tr><td><span title='2005-04-20 05:49:21 +0000'>2005-04-20</span></td><td><a href='/debian/lcd4linux.git/commit/drv_SimpleLCD.c?id=6fd5d2e000921afa3ef5d6b0f721dc96975f9365&amp;follow=1'>[lcd4linux @ 2005-04-20 05:49:21 by reinelt]</a></td><td>reinelt</td><td>1</td><td><span class='deletions'>-44</span>/<span class='insertions'>+125</span></td></tr>
<tr><td><span title='2005-04-09 07:36:42 +0000'>2005-04-09</span></td><td><a href='/debian/lcd4linux.git/commit/drv_LCDLinux.h?id=316443f445112fd7ab9c21aa9bd82515945a6c36&amp;follow=1'>[lcd4linux @ 2005-04-09 07:36:42 by reinelt]</a></td><td>reinelt</td><td>2</td><td><span class='deletions'>-17</span>/<span class='insertions'>+99</span></td></tr>
<tr><td><span title='2005-04-05 06:57:41 +0000'>2005-04-05</span></td><td><a href='/debian/lcd4linux.git/commit/plugins.m4?id=ac55352fc07e11744480b7caed2681a8c456305e&amp;follow=1'>[lcd4linux @ 2005-04-05 06:57:39 by reinelt]</a></td><td>reinelt</td><td>3</td><td><span class='deletions'>-34</span>/<span class='insertions'>+34</span></td></tr>
<tr><td><span title='2005-04-05 05:12:57 +0000'>2005-04-05</span></td><td><a href='/debian/lcd4linux.git/commit/lcd4linux.conf.sample?id=3efb9ba8c1225b83f8ddceafc773368e5057e542&amp;follow=1'>[lcd4linux @ 2005-04-05 05:12:48 by reinelt]</a></td><td>reinelt</td><td>4</td><td><span class='deletions'>-407</span>/<span class='insertions'>+33</span></td></tr>
<tr><td><span title='2005-04-05 04:46:06 +0000'>2005-04-05</span></td><td><a href='/debian/lcd4linux.git/commit/plugin_math.c?id=17464fd68003af274013f49316a397df33ecbd23&amp;follow=1'>[lcd4linux @ 2005-04-05 04:46:06 by reinelt]</a></td><td>reinelt</td><td>1</td><td><span class='deletions'>-1</span>/<span class='insertions'>+20</span></td></tr>
<tr><td><span title='2005-04-04 20:11:14 +0000'>2005-04-04</span></td><td><a href='/debian/lcd4linux.git/commit/plugin_imon.c?id=f27536bd017902cb39c208ec346775b592fb56be&amp;follow=1'>[lcd4linux @ 2005-04-04 20:11:14 by nicowallmeier]</a></td><td>nicowallmeier</td><td>1</td><td><span class='deletions'>-2</span>/<span class='insertions'>+6</span></td></tr>
<tr><td><span title='2005-04-03 07:07:51 +0000'>2005-04-03</span></td><td><a href='/debian/lcd4linux.git/commit/plugins.m4?id=bc7da25bcdea985d6f4f484e517b3a121b086a29&amp;follow=1'>[lcd4linux @ 2005-04-03 07:07:43 by reinelt]</a></td><td>reinelt</td><td>8</td><td><span class='deletions'>-9</span>/<span class='insertions'>+152</span></td></tr>
<tr><td><span title='2005-04-02 05:28:58 +0000'>2005-04-02</span></td><td><a href='/debian/lcd4linux.git/commit/drv_USBLCD.c?id=2d8c20e14ccd6be77bd959d1a5a928e5f6b4ecee&amp;follow=1'>[lcd4linux @ 2005-04-02 05:28:58 by reinelt]</a></td><td>reinelt</td><td>3</td><td><span class='deletions'>-19</span>/<span class='insertions'>+27</span></td></tr>
<tr><td><span title='2005-04-01 05:16:04 +0000'>2005-04-01</span></td><td><a href='/debian/lcd4linux.git/commit/plugin_pop3.c?id=5f33ee56af142ec69f13422eb0f4eab8741aa0d1&amp;follow=1'>[lcd4linux @ 2005-04-01 05:16:04 by reinelt]</a></td><td>reinelt</td><td>5</td><td><span class='deletions'>-584</span>/<span class='insertions'>+694</span></td></tr>
<tr><td><span title='2005-03-30 04:57:50 +0000'>2005-03-30</span></td><td><a href='/debian/lcd4linux.git/commit/plugin_cfg.c?id=3e6c870d3cefb3b1e61b779566d2f051f1b23083&amp;follow=1'>[lcd4linux @ 2005-03-30 04:57:50 by reinelt]</a></td><td>reinelt</td><td>3</td><td><span class='deletions'>-23</span>/<span class='insertions'>+67</span></td></tr>
<tr><td><span title='2005-03-28 22:29:23 +0000'>2005-03-28</span></td><td><a href='/debian/lcd4linux.git/commit/drv_HD44780.c?id=77d259034099fff8737a1d5af47e8edf8d84efc0&amp;follow=1'>[lcd4linux @ 2005-03-28 22:29:23 by reinelt]</a></td><td>reinelt</td><td>1</td><td><span class='deletions'>-250</span>/<span class='insertions'>+346</span></td></tr>
<tr><td><span title='2005-03-28 19:39:23 +0000'>2005-03-28</span></td><td><a href='/debian/lcd4linux.git/commit/drv_generic_i2c.h?id=af796d8411d9bac1143ba6deaf43a2275704a1da&amp;follow=1'>[lcd4linux @ 2005-03-28 19:39:14 by reinelt]</a></td><td>reinelt</td><td>9</td><td><span class='deletions'>-256</span>/<span class='insertions'>+1147</span></td></tr>
<tr><td><span title='2005-03-25 15:44:43 +0000'>2005-03-25</span></td><td><a href='/debian/lcd4linux.git/commit/drv_HD44780.c?id=55476cb223f943a19effc402d2f3021df4cf7474&amp;follow=1'>[lcd4linux @ 2005-03-25 15:44:43 by reinelt]</a></td><td>reinelt</td><td>1</td><td><span class='deletions'>-2</span>/<span class='insertions'>+5</span></td></tr>
<tr><td><span title='2005-03-23 12:23:35 +0000'>2005-03-23</span></td><td><a href='/debian/lcd4linux.git/commit/drv_Crystalfontz.c?id=5b94e9a28bff5f356524424754bd3f7440853b51&amp;follow=1'>[lcd4linux @ 2005-03-23 12:23:35 by reinelt]</a></td><td>reinelt</td><td>1</td><td><span class='deletions'>-27</span>/<span class='insertions'>+32</span></td></tr>
<tr><td><span title='2005-02-24 07:07:55 +0000'>2005-02-24</span></td><td><a href='/debian/lcd4linux.git/commit/ChangeLog?id=0da5b22888490f156a60f2e511eb6ebc401ae893&amp;follow=1'>[lcd4linux @ 2005-02-24 07:07:55 by reinelt]</a></td><td>reinelt</td><td>1</td><td><span class='deletions'>-0</span>/<span class='insertions'>+53</span></td></tr>
<tr><td><span title='2005-02-24 07:06:48 +0000'>2005-02-24</span></td><td><a href='/debian/lcd4linux.git/commit/lcd4linux.conf.sample?id=b3c3e822b6c56387cb3583a771767def47624463&amp;follow=1'>[lcd4linux @ 2005-02-24 07:06:45 by reinelt]</a></td><td>reinelt</td><td>11</td><td><span class='deletions'>-28</span>/<span class='insertions'>+347</span></td></tr>
<tr><td><span title='2005-02-24 06:51:40 +0000'>2005-02-24</span></td><td><a href='/debian/lcd4linux.git/commit/drv_LCDLinux.c?id=0f91618aa36e77c0c9e8433f28dd3e313003a3db&amp;follow=1'>[lcd4linux @ 2005-02-24 06:51:40 by reinelt]</a></td><td>reinelt</td><td>1</td><td><span class='deletions'>-4</span>/<span class='insertions'>+5</span></td></tr>
<tr><td><span title='2005-01-30 06:43:22 +0000'>2005-01-30</span></td><td><a href='/debian/lcd4linux.git/commit/lcd4linux.conf.sample?id=c45466ff9231463f65a2146e300b863757f19663&amp;follow=1'>[lcd4linux @ 2005-01-30 06:43:22 by reinelt]</a></td><td>reinelt</td><td>4</td><td><span class='deletions'>-69</span>/<span class='insertions'>+95</span></td></tr>
<tr><td><span title='2005-01-29 09:30:56 +0000'>2005-01-29</span></td><td><a href='/debian/lcd4linux.git/commit/drv_HD44780.c?id=2d48ef36661d92d603affc5ae9408de8ee242559&amp;follow=1'>[lcd4linux @ 2005-01-29 09:30:56 by reinelt]</a></td><td>reinelt</td><td>1</td><td><span class='deletions'>-8</span>/<span class='insertions'>+11</span></td></tr>
<tr><td><span title='2005-01-22 22:57:57 +0000'>2005-01-22</span></td><td><a href='/debian/lcd4linux.git/commit/lcd4linux.conf.sample?id=b285743489e7d237cb32fc3aaae0ffdad6c264a4&amp;follow=1'>[lcd4linux @ 2005-01-22 22:57:57 by reinelt]</a></td><td>reinelt</td><td>9</td><td><span class='deletions'>-47</span>/<span class='insertions'>+382</span></td></tr>
<tr><td><span title='2005-01-22 12:44:41 +0000'>2005-01-22</span></td><td><a href='/debian/lcd4linux.git/commit/drv_MatrixOrbital.c?id=8f661b82c70ded73c02fa0b3491f8e6998fe7e51&amp;follow=1'>[lcd4linux @ 2005-01-22 12:44:41 by reinelt]</a></td><td>reinelt</td><td>1</td><td><span class='deletions'>-3</span>/<span class='insertions'>+6</span></td></tr>
<tr><td><span title='2005-01-18 06:30:24 +0000'>2005-01-18</span></td><td><a href='/debian/lcd4linux.git/commit/widget_text.h?id=5c96185f5d3077e315ed18ca0f774a229732be7f&amp;follow=1'>[lcd4linux @ 2005-01-18 06:30:21 by reinelt]</a></td><td>reinelt</td><td>89</td><td><span class='deletions'>-261</span>/<span class='insertions'>+603</span></td></tr>
<tr><td><span title='2005-01-17 06:38:48 +0000'>2005-01-17</span></td><td><a href='/debian/lcd4linux.git/commit/drv_HD44780.c?id=47329b6aa4a64ea94fdf83061a91e5a3cbf7c9bb&amp;follow=1'>[lcd4linux @ 2005-01-17 06:38:48 by reinelt]</a></td><td>reinelt</td><td>1</td><td><span class='deletions'>-1</span>/<span class='insertions'>+6</span></td></tr>
<tr><td><span title='2005-01-17 06:29:25 +0000'>2005-01-17</span></td><td><a href='/debian/lcd4linux.git/commit/lcd4linux.conf.sample?id=444e8ec2669f2c1814084609a21ff42cd1513f4f&amp;follow=1'>[lcd4linux @ 2005-01-17 06:29:24 by reinelt]</a></td><td>reinelt</td><td>3</td><td><span class='deletions'>-33</span>/<span class='insertions'>+85</span></td></tr>