/* $Id$
 * $URL$
 *
 * plugin that forks and exec's once a key is pressed. the difference to the exec plugin is: this can also only be done once!
 *
 * Copyright (C) 2008, Wolfgang Henerbichler <wogri@wogri.com>
 *
 * 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_button_exec(void)
 *  adds various functions
 *
 */


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

#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <unistd.h>
#include <signal.h>
#include <errno.h>

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

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



/* sample function 'button_exec' */
/* takes as many arguments as you want, first arguemnt is the command that will be called via exec, all the following are parameters you want to add to your command - you won't know what has happened after forking - no return codes available */
/* Note: all local functions should be declared 'static' */

static void my_button_exec(RESULT * result, int argc, RESULT * argv[])
{
    int pid;
    int i;
    int errsv;
    char *args[argc + 1];
    char *arg;
    char *prog;

    signal(SIGCHLD, SIG_IGN);
    prog = R2S(argv[0]);
    info(prog);
    for (i = 1; i < argc; i++) {
	arg = R2S(argv[i]);
	args[i] = arg;
	info(arg);
    }
    args[0] = prog;
    args[i] = (char *) 0;
    pid = fork();
    if (pid == 0) {		/* child-process */
	/* char *args[] = {"-r", "-t", "-l", (char *) 0 }; */
	info("executing program");
	execvp(prog, args);
	errsv = errno;
	info("executing program failed");
	info(strerror(errsv));
	exit(0);
    } else if (pid == -1) {
	info("weird error has occured. couldn't fork.");
    } else {
	SetResult(&result, R_STRING, "0");
    }
}


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

    /* register all our cool functions */
    /* the second parameter is the number of arguments */
    /* -1 stands for variable argument list */
    AddFunction("button_exec", -1, my_button_exec);
    return 0;
}

void plugin_exit_button_exec(void)
{
    /* free any allocated memory */
    /* close filedescriptors */
}
eft'>Lines</th></tr>
<tr><td><span title='2011-12-26 06:28:05 +0000'>2011-12-26</span></td><td><a href='/lcd4linux.git/commit/plugins.m4?id=b225453a3f4145f8e30c9a5ce5c5441e2337b39e&amp;follow=1'>old ancient legacy port access disabled by default</a></td><td>michael</td><td>6</td><td><span class='deletions'>-162</span>/<span class='insertions'>+491</span></td></tr>
<tr><td><span title='2011-12-22 10:48:01 +0000'>2011-12-22</span></td><td><a href='/lcd4linux.git/commit/widget_timer.h?id=67c14024676121002c6373742d196e2f96af6f96&amp;follow=1'>All compilation related issues in the headers have been fixed. Now each heade...</a></td><td>mjona</td><td>10</td><td><span class='deletions'>-0</span>/<span class='insertions'>+11</span></td></tr>
<tr><td><span title='2011-12-09 03:16:17 +0000'>2011-12-09</span></td><td><a href='/lcd4linux.git/commit/drv_D4D.c?id=2362171db08c991723ff6f8bb7107d134aa96182&amp;follow=1'>Replaced parameter NoPowerCycle with PowerCycle</a></td><td>sonic74</td><td>1</td><td><span class='deletions'>-5</span>/<span class='insertions'>+5</span></td></tr>
<tr><td><span title='2011-12-09 03:08:20 +0000'>2011-12-09</span></td><td><a href='/lcd4linux.git/commit/drv_D4D.c?id=4b251367af14f98cef3bffd72ea1c8887d5eaac9&amp;follow=1'>Blit speedup, switch PICASO back to 9600 baud when exiting</a></td><td>sonic74</td><td>1</td><td><span class='deletions'>-47</span>/<span class='insertions'>+46</span></td></tr>
<tr><td><span title='2011-12-08 16:16:08 +0000'>2011-12-08</span></td><td><a href='/lcd4linux.git/commit/drv_D4D.c?id=27da4769fd488b7dd860e88655542cbc4fbf04c1&amp;follow=1'>Removed compiler warning</a></td><td>sonic74</td><td>1</td><td><span class='deletions'>-1</span>/<span class='insertions'>+1</span></td></tr>
<tr><td><span title='2011-12-08 15:51:23 +0000'>2011-12-08</span></td><td><a href='/lcd4linux.git/commit/drv_D4D.c?id=5d473ec959cc50248277d7b48cf3b1240be08877&amp;follow=1'>SGC support</a></td><td>sonic74</td><td>1</td><td><span class='deletions'>-111</span>/<span class='insertions'>+254</span></td></tr>
<tr><td><span title='2011-08-31 22:00:29 +0000'>2011-08-31</span></td><td><a href='/lcd4linux.git/commit/svn_version.h?id=288cd40479d68babcc9b7b9c664de64e3fa66e95&amp;follow=1'>Fix spelling errors. Flagged by Debian lintian check</a></td><td>jmccrohan</td><td>4</td><td><span class='deletions'>-4</span>/<span class='insertions'>+4</span></td></tr>
<tr><td><span title='2011-07-28 02:09:16 +0000'>2011-07-28</span></td><td><a href='/lcd4linux.git/commit/lcd4linux.conf.sample?id=6b6d1d868a0c3fc1bca2dee73adf4a14e1698c38&amp;follow=1'>driver for Futaba MDM166A Graphic(96x16) vf-displays by Andreas Brachold</a></td><td>michael</td><td>9</td><td><span class='deletions'>-2</span>/<span class='insertions'>+684</span></td></tr>
<tr><td><span title='2011-07-27 05:58:08 +0000'>2011-07-27</span></td><td><a href='/lcd4linux.git/commit/drv_generic_i2c.h?id=6eec23d6f438845b1a646790a83be3053bc194bc&amp;follow=1'>driver for Newhaven's NHD‐0420D3Z‐FL‐GBW. 4x20 LCD by Rusty Clarkson</a></td><td>michael</td><td>9</td><td><span class='deletions'>-4</span>/<span class='insertions'>+573</span></td></tr>
<tr><td><span title='2011-07-27 05:41:42 +0000'>2011-07-27</span></td><td><a href='/lcd4linux.git/commit/drv_generic_graphic.c?id=2949be131a5cc198e3f6ec17a0b59e41a746349a&amp;follow=1'>indentation :-(</a></td><td>michael</td><td>1</td><td><span class='deletions'>-3</span>/<span class='insertions'>+3</span></td></tr>
<tr><td><span title='2011-07-27 05:41:22 +0000'>2011-07-27</span></td><td><a href='/lcd4linux.git/commit/drv_generic_graphic.c?id=e6130f4f65e122c49dc9ec5fb87645750c73fc75&amp;follow=1'>magic bold escape char by Andrew Thompson</a></td><td>michael</td><td>1</td><td><span class='deletions'>-1</span>/<span class='insertions'>+9</span></td></tr>
<tr><td><span title='2011-07-27 05:39:37 +0000'>2011-07-27</span></td><td><a href='/lcd4linux.git/commit/drivers.m4?id=bd2948ce2f83dfac5095f9cefc80b76e402198c2&amp;follow=1'>picoLCDGraphics needs keypad linked</a></td><td>michael</td><td>2</td><td><span class='deletions'>-0</span>/<span class='insertions'>+2</span></td></tr>
<tr><td><span title='2011-07-27 05:12:30 +0000'>2011-07-27</span></td><td><a href='/lcd4linux.git/commit/thread.c?id=7318d07f8950d3469d76537ce1d96f863085ba7c&amp;follow=1'>various compiler warnings fixed</a></td><td>michael</td><td>13</td><td><span class='deletions'>-60</span>/<span class='insertions'>+39</span></td></tr>
<tr><td><span title='2011-07-27 04:21:44 +0000'>2011-07-27</span></td><td><a href='/lcd4linux.git/commit/configure?id=616665a32d0e4eb368c6346168e91cfeda42583f&amp;follow=1'>Autoconf 2.68</a></td><td>michael</td><td>3</td><td><span class='deletions'>-1455</span>/<span class='insertions'>+2751</span></td></tr>
<tr><td><span title='2011-07-27 04:19:37 +0000'>2011-07-27</span></td><td><a href='/lcd4linux.git/commit/smoketest.sh?id=a6019b167131c976abdc8fbc3fb1c6db3fcaffdf&amp;follow=1'>run smoketest on all of my 8 cores</a></td><td>michael</td><td>1</td><td><span class='deletions'>-2</span>/<span class='insertions'>+2</span></td></tr>
<tr><td><span title='2011-07-27 02:53:04 +0000'>2011-07-27</span></td><td><a href='/lcd4linux.git/commit/plugin_mpd.c?id=2a765ae84de7c91c424a7fc220e326bf33985665&amp;follow=1'>indentation</a></td><td>michael</td><td>4</td><td><span class='deletions'>-330</span>/<span class='insertions'>+320</span></td></tr>
<tr><td><span title='2011-07-27 02:36:25 +0000'>2011-07-27</span></td><td><a href='/lcd4linux.git/commit/plugins.m4?id=48ea1dd640e3bce5eae985ca542b7ef4d543bc6b&amp;follow=1'>patch to replace outdate library libmpd with recent library libmpdclient from...</a></td><td>michael</td><td>2</td><td><span class='deletions'>-240</span>/<span class='insertions'>+427</span></td></tr>
<tr><td><span title='2011-07-27 02:21:48 +0000'>2011-07-27</span></td><td><a href='/lcd4linux.git/commit/plugins.m4?id=22169050ad234f868ff030d49964673e0a5ba8b1&amp;follow=1'>lcd4linux-wireless.patch from Hans de Goede</a></td><td>michael</td><td>1</td><td><span class='deletions'>-1</span>/<span class='insertions'>+1</span></td></tr>
<tr><td><span title='2011-07-27 02:20:51 +0000'>2011-07-27</span></td><td><a href='/lcd4linux.git/commit/drv_st2205.c?id=0fe9009287dfe71ba74df0793b874fd47a2df525&amp;follow=1'>st2205-width-height-swap.patch from Hans de Goede</a></td><td>michael</td><td>1</td><td><span class='deletions'>-2</span>/<span class='insertions'>+2</span></td></tr>
<tr><td><span title='2011-07-27 02:19:58 +0000'>2011-07-27</span></td><td><a href='/lcd4linux.git/commit/plugin_i2c_sensors.c?id=f86dd50a614e0666e2c61331bee684d1a519562b&amp;follow=1'>hwmon patch from Hans de Goede</a></td><td>michael</td><td>1</td><td><span class='deletions'>-0</span>/<span class='insertions'>+14</span></td></tr>
<tr><td><span title='2011-07-27 02:14:11 +0000'>2011-07-27</span></td><td><a href='/lcd4linux.git/commit/drv_MatrixOrbital.c?id=1d611354c3a8bf7de4c487fe4af7f72778035477&amp;follow=1'>patch to support SureElectronicsDE-LD023 from Matt Joice</a></td><td>michael</td><td>1</td><td><span class='deletions'>-3</span>/<span class='insertions'>+16</span></td></tr>
<tr><td><span title='2011-05-06 18:21:47 +0000'>2011-05-06</span></td><td><a href='/lcd4linux.git/commit/drv_GLCD2USB.c?id=7fc8ef21bd019295cd73c9d805af727083dcc2be&amp;follow=1'>Fixed keypad widget in GLCD2USB</a></td><td>harbaum</td><td>1</td><td><span class='deletions'>-0</span>/<span class='insertions'>+7</span></td></tr>
<tr><td><span title='2011-02-12 22:46:19 +0000'>2011-02-12</span></td><td><a href='/lcd4linux.git/commit/timer.c?id=f17287509f698f21f38ae047a306ddca3fc13140&amp;follow=1'>timer.c: fixed detection of positive clock skew (and some typos)</a></td><td>mzuther</td><td>4</td><td><span class='deletions'>-10</span>/<span class='insertions'>+10</span></td></tr>
<tr><td><span title='2011-01-23 22:45:46 +0000'>2011-01-23</span></td><td><a href='/lcd4linux.git/commit/timer.c?id=5e69b1e3961ee896d44107c05650c915d9b24298&amp;follow=1'>timer.c: fixed clock skew detection</a></td><td>mzuther</td><td>1</td><td><span class='deletions'>-26</span>/<span class='insertions'>+46</span></td></tr>
<tr><td><span title='2011-01-23 17:01:08 +0000'>2011-01-23</span></td><td><a href='/lcd4linux.git/commit/timer.c?id=c15760b9e502d12e4905ef898e9694436ec3bde3&amp;follow=1'>timer.c: skip intermediate timer intervals</a></td><td>mzuther</td><td>2</td><td><span class='deletions'>-16</span>/<span class='insertions'>+46</span></td></tr>
<tr><td><span title='2011-01-05 03:49:07 +0000'>2011-01-05</span></td><td><a href='/lcd4linux.git/commit/drv_MatrixOrbital.c?id=72e1f7501bd6806022b7a33e1424ea2cc7fa4059&amp;follow=1'>fix for a bug introduced in the DE-LD021 driver</a></td><td>michael</td><td>1</td><td><span class='deletions'>-3</span>/<span class='insertions'>+3</span></td></tr>
<tr><td><span title='2011-01-04 01:58:59 +0000'>2011-01-04</span></td><td><a href='/lcd4linux.git/commit/timer.c?id=f95cad51ea998c6febe30b9da74bd2852449d3c1&amp;follow=1'>indentation</a></td><td>michael</td><td>2</td><td><span class='deletions'>-3</span>/<span class='insertions'>+3</span></td></tr>
<tr><td><span title='2011-01-04 01:58:25 +0000'>2011-01-04</span></td><td><a href='/lcd4linux.git/commit/drv_MatrixOrbital.c?id=0da867144a9cc418a2311efa816efcbdef7df70a&amp;follow=1'>support for Sure Electronics DE-LD021 by Natanael Olaiz</a></td><td>michael</td><td>1</td><td><span class='deletions'>-10</span>/<span class='insertions'>+8</span></td></tr>
<tr><td><span title='2011-01-02 00:39:10 +0000'>2011-01-02</span></td><td><a href='/lcd4linux.git/commit/smoketest.sh?id=8dd087e587f0a84ab9b30965d085e65efdb57715&amp;follow=1'>driver for EFN LED modules by Tilman Glötzner</a></td><td>michael</td><td>9</td><td><span class='deletions'>-21</span>/<span class='insertions'>+469</span></td></tr>
<tr><td><span title='2010-11-28 16:07:16 +0000'>2010-11-28</span></td><td><a href='/lcd4linux.git/commit/timer_group.h?id=475fdb43971a24c01db6d8bf5cb4351eb6b76cfe&amp;follow=1'>commented, corrected and beautified both timer and timer group code</a></td><td>mzuther</td><td>11</td><td><span class='deletions'>-197</span>/<span class='insertions'>+511</span></td></tr>
<tr><td><span title='2010-11-27 14:35:10 +0000'>2010-11-27</span></td><td><a href='/lcd4linux.git/commit/timer.h?id=00db296b07befe1b511af73b00303c536cea0c6c&amp;follow=1'>finished commenting the timer code</a></td><td>mzuther</td><td>2</td><td><span class='deletions'>-46</span>/<span class='insertions'>+138</span></td></tr>
<tr><td><span title='2010-11-20 20:22:05 +0000'>2010-11-20</span></td><td><a href='/lcd4linux.git/commit/timer.h?id=20e4961f9eb3ea712a4d101d5984a6e0e68a23bd&amp;follow=1'>started commenting the timer code</a></td><td>mzuther</td><td>5</td><td><span class='deletions'>-52</span>/<span class='insertions'>+170</span></td></tr>
<tr><td><span title='2010-11-19 09:02:34 +0000'>2010-11-19</span></td><td><a href='/lcd4linux.git/commit/lcd4linux.conf.sample?id=4447e1d46ca5cdb1839c9ece0426fd26db1b2817&amp;follow=1'>Added brightness support for GLCD2USB</a></td><td>harbaum</td><td>5</td><td><span class='deletions'>-28</span>/<span class='insertions'>+8014</span></td></tr>