EMAN2
portable_fileio.h
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00001 
00005 /*
00006  * Author: Liwei Peng, 08/27/2003 (sludtke@bcm.edu)
00007  * Copyright (c) 2000-2006 Baylor College of Medicine
00008  * 
00009  * This software is issued under a joint BSD/GNU license. You may use the
00010  * source code in this file under either license. However, note that the
00011  * complete EMAN2 and SPARX software packages have some GPL dependencies,
00012  * so you are responsible for compliance with the licenses of these packages
00013  * if you opt to use BSD licensing. The warranty disclaimer below holds
00014  * in either instance.
00015  * 
00016  * This complete copyright notice must be included in any revised version of the
00017  * source code. Additional authorship citations may be added, but existing
00018  * author citations must be preserved.
00019  * 
00020  * This program is free software; you can redistribute it and/or modify
00021  * it under the terms of the GNU General Public License as published by
00022  * the Free Software Foundation; either version 2 of the License, or
00023  * (at your option) any later version.
00024  * 
00025  * This program is distributed in the hope that it will be useful,
00026  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00027  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
00028  * GNU General Public License for more details.
00029  * 
00030  * You should have received a copy of the GNU General Public License
00031  * along with this program; if not, write to the Free Software
00032  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
00033  * 
00034  * */
00035 
00036 #ifndef __portable_fileio_h__
00037 #define __portable_fileio_h__
00038 
00039 #include <cstdio>
00040 #include <sys/types.h>
00041 
00042 
00043 inline int portable_fseek(FILE * fp, off_t offset, int whence)
00044 {
00045 #if defined(HAVE_FSEEKO)
00046         return fseeko(fp, offset, whence);
00047 #elif defined(HAVE_FSEEK64)
00048         return fseek64(fp, offset, whence);
00049 #elif defined(__BEOS__)
00050         return _fseek(fp, offset, whence);
00051 #else
00052         return fseek(fp, offset, whence);
00053 #endif
00054 }
00055 
00056 inline off_t portable_ftell(FILE * fp)
00057 {
00058 #if defined(HAVE_FTELLO)
00059         return ftello(fp);
00060 #elif defined(HAVE_FTELL64)
00061         return ftell64(fp);
00062 #else
00063         return ftell(fp);
00064 #endif
00065 }
00066 
00067 
00068 
00069 #endif