file.cpp

来自「目前最快速的字符串排序算法」· C++ 代码 · 共 39 行

/* Copyright 2007 Stefan Webb

This file is part of Burstsort.

Burstsort 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.

Burstsort 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 Burstsort; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA */

#include "main.h"

/* Gets the size of a C standard library file, resets the position */
int fsize (FILE* f) {
	int length;
	fseek(f, 0, SEEK_END);
	length = ftell(f);
	rewind(f);
	return length;
}

/* Determines whether a file exists or not */
bool fexists (wchar_t * filename) {
	FILE* opened = _wfopen(filename, L"rb");
	if (opened) {
		fclose(opened);
		return true;
	}
	else 
		return false;
}