quakeforge/include/QF/qendian.h

83 lines
2.5 KiB
C
Raw Normal View History

/*
qendian.h
(description)
Copyright (C) 1996-1997 Id Software, Inc.
Copyright (C) 1999,2000 contributors of the QuakeForge project
Please see the file "AUTHORS" for a list of contributors
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 for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to:
Free Software Foundation, Inc.
59 Temple Place - Suite 330
Boston, MA 02111-1307, USA
$Id$
*/
#ifndef __qendian_h
#define __qendian_h
#include "QF/qtypes.h"
#ifndef NULL
# define NULL ((void *)0)
#endif
#define Q_MAXCHAR ((char)0x7f)
#define Q_MAXSHORT ((short)0x7fff)
#define Q_MAXINT ((int)0x7fffffff)
#define Q_MAXLONG ((int)0x7fffffff)
#define Q_MAXFLOAT 3.40282346638528859811704183484516925440e38
#define Q_MINCHAR ((char)0x80)
#define Q_MINSHORT ((short)0x8000)
#define Q_MININT ((int)0x80000000)
#define Q_MINLONG ((int)0x80000000)
#define Q_MINFLOAT -3.40282346638528859811704183484516925440e38
#define Q_FLOAT_EPSILON 1.1754943508222875079687365372222456778186655567720875215087517062784172594547271728515625e-38
//============================================================================
extern qboolean bigendien;
extern short (*BigShort) (short l);
extern short (*LittleShort) (short l);
extern int (*BigLong) (int l);
extern int (*LittleLong) (int l);
extern float (*BigFloat) (float l);
extern float (*LittleFloat) (float l);
2002-07-02 18:57:38 +00:00
short ShortSwap (short l);
short ShortNoSwap (short l);
2002-07-02 18:57:38 +00:00
int LongSwap (int l);
int LongNoSwap (int l);
float FloatSwap (float f);
float FloatNoSwap (float f);
2002-07-02 18:57:38 +00:00
// NOTE: these /always/ read and write /little/ endian entities.
struct VFile_s;
void WriteFloat (struct VFile_s *file, float f);
void WriteByte (struct VFile_s *file, int b);
void WriteShort (struct VFile_s *file, unsigned int s);
void WriteLong (struct VFile_s *file, unsigned int l);
float ReadFloat (struct VFile_s *file);
byte ReadByte (struct VFile_s *file);
unsigned short ReadShort (struct VFile_s *file);
unsigned long ReadLong (struct VFile_s *file);
#endif // __qendian_h