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AgeCommit message (Expand)AuthorFilesLines
2014-09-05Convert existing tables to DVBv5 formatMauro Carvalho Chehab1-41/+328
2014-09-04Remove zeros on the left for channel frequenciesMauro Carvalho Chehab1-34/+34
2007-12-31add / update scan files for South American satellitesChristoph Pfister1-0/+44
2004-01-17DVB apps/utils from old "DVB" CVS tree, mildly edited to makeJohannes Stezenbach1-44/+0
2007-12-31add / update scan files for South American satellitesChristoph Pfister1-0/+44
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/* $Id: plugin_file.c,v 1.2 2006/07/19 01:57:01 cmay Exp $
 *
 * 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.
 *
 *
 * $Log: plugin_file.c,v $
 * Revision 1.2  2006/07/19 01:57:01  cmay
 * fixed double read of last line in file
 *
 * Revision 1.1  2006/02/19 15:42:19  reinelt
 * file plugin from Chris Maj
 *
 */

/* 
 * 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];
    char *pos;
    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));
    } else {
	i = 0;
	while (!feof(fp) && i++ < reqline) {
	    fgets(val2, sizeof(val2), fp);
	    size = strcspn(val2, "\n");
	    strncpy(value, val2, size);
	    value[size] = '\0';
	    pos = strchr(val2, '\n');
	    /* more than 80 chars, chew up rest of line */
	    while (!pos) {
		fgets(val2, sizeof(val2), fp);
		pos = strchr(val2, '\n');
	    }
	}
	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 */
}