os_divers.c

来自「this the mpeg4 library which includes VC」· C语言 代码 · 共 59 行

/*
 *			GPAC - MPEG-4 Systems C Development Kit
 *
 *			Copyright (c) Jean Le Feuvre 2000-2003 
 *					All rights reserved
 *
 *  This file is part of GPAC / common tools sub-project
 *
 *  GPAC 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.
 *   
 *  GPAC 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 GNU Make; see the file COPYING.  If not, write to
 *  the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. 
 *
 */

#include <gpac/m4_tools.h>


#ifndef M4_READ_ONLY
FILE *M4NewTMPFile()
{
	return tmpfile();
}
#endif


void M4_GetUTCTimeSince1970(u32 *sec, u32 *msec)
{
	struct _timeb	tb;
	_ftime( &tb );
	*sec = tb.time;
	*msec = tb.millitm;

}



Bool M4IsLargeFile(char *path)
{
	FILE *stream;
	s64 size;
	stream = fopen(path, "rb");
	if (!stream) return 0;
	size = _filelengthi64(_fileno(stream));
	fclose(stream);
	if (size == -1L) return 0;
	if (size > 0xFFFFFFFF) return 1;
	return 0;
}