File: textfile.cpp

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/****************************************************************************
* MeshLab                                                           o o     *
* An extendible mesh processor                                    o     o   *
*                                                                _   O  _   *
* Copyright(C) 2005, 2009                                          \/)\/    *
* Visual Computing Lab                                            /\/|      *
* ISTI - Italian National Research Council                           |      *
*                                                                    \      *
* All rights reserved.                                                      *
*                                                                           *
* 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 of the License, 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 (http://www.gnu.org/licenses/gpl.txt)          *
* for more details.                                                         *
*                                                                           *
****************************************************************************/

// textfile.cpp
//
// simple reading and writing for text files
//
// www.lighthouse3d.com
//
// You may use these functions freely.
// they are provided as is, and no warranties, either implicit,
// or explicit are given
//////////////////////////////////////////////////////////////////////


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


char *textFileRead(char *fn) {


	FILE *fp;
	char *content = NULL;

	int count=0;

	if (fn != NULL) {
		fp = fopen(fn,"rt");

		if (fp != NULL) {
      
      fseek(fp, 0, SEEK_END);
      count = ftell(fp);
      rewind(fp);

			if (count > 0) {
				content = (char *)malloc(sizeof(char) * (count+1));
				count = fread(content,sizeof(char),count,fp);
				content[count] = '\0';
			}
			fclose(fp);
		}
	}
	return content;
}

int textFileWrite(char *fn, char *s) {

	FILE *fp;
	int status = 0;

	if (fn != NULL) {
		fp = fopen(fn,"w");

		if (fp != NULL) {
			
			if (fwrite(s,sizeof(char),strlen(s),fp) == strlen(s))
				status = 1;
			fclose(fp);
		}
	}
	return(status);
}