mirror of https://github.com/ioquake/ioq3.git
390 lines
8.9 KiB
C
390 lines
8.9 KiB
C
/*
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===========================================================================
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Copyright (C) 1999-2005 Id Software, Inc.
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This file is part of Quake III Arena source code.
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Quake III Arena source code is free software; you can redistribute it
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and/or modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the License,
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or (at your option) any later version.
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Quake III Arena source code is distributed in the hope that it will be
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useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Quake III Arena source code; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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===========================================================================
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*/
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//
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#ifndef __Q_PLATFORM_H
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#define __Q_PLATFORM_H
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// this is for determining if we have an asm version of a C function
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#ifdef Q3_VM
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#define id386 0
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#define idppc 0
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#define idppc_altivec 0
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#else
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#if (defined _M_IX86 || defined __i386__) && \
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!defined __sun && !defined(C_ONLY)
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#define id386 1
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#else
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#define id386 0
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#endif
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#if (defined(powerc) || defined(powerpc) || defined(ppc) || \
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defined(__ppc) || defined(__ppc__)) && !defined(C_ONLY)
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#define idppc 1
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#if defined(__VEC__)
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#define idppc_altivec 1
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#else
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#define idppc_altivec 0
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#endif
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#else
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#define idppc 0
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#define idppc_altivec 0
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#endif
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#endif
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#ifndef __ASM_I386__ // don't include the C bits if included from qasm.h
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// for windows fastcall option
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#define QDECL
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short ShortSwap (short l);
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int LongSwap (int l);
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float FloatSwap (const float *f);
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//================================================================= WIN32 ===
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#ifdef _WIN32
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#undef QDECL
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#define QDECL __cdecl
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#ifdef _MSC_VER
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#define OS_STRING "win_msvc"
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#ifdef _M_IX86
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#define ARCH_STRING "x86"
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#elif defined _M_ALPHA
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#define ARCH_STRING "AXP"
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#else
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#error "Unsupported architecture"
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#endif
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#elif defined __MINGW32__
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#define OS_STRING "win_mingw"
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#ifdef __i386__
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#define ARCH_STRING "x86"
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#else
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#error "Unsupported architecture"
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#endif
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#else
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#error "Unsupported compiler"
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#endif
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#define ID_INLINE __inline
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static ID_INLINE short BigShort( short l) { return ShortSwap(l); }
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#define LittleShort
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static ID_INLINE int BigLong(int l) { return LongSwap(l); }
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#define LittleLong
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static ID_INLINE float BigFloat(const float l) { return FloatSwap(&l); }
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#define LittleFloat
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#define PATH_SEP '\\'
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#endif
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//============================================================== MAC OS X ===
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#if defined(MACOS_X)
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#define __cdecl
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#define __declspec(x)
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#define stricmp strcasecmp
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#define ID_INLINE inline
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#define OS_STRING "macosx"
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#ifdef __ppc__
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#define ARCH_STRING "ppc"
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#elif defined __i386__
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#define ARCH_STRING "i386"
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#else
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#error "Unsupported architecture"
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#endif
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#define PATH_SEP '/'
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#define __rlwimi(out, in, shift, maskBegin, maskEnd) \
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asm("rlwimi %0,%1,%2,%3,%4" : "=r" (out) : "r" (in), \
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"i" (shift), "i" (maskBegin), "i" (maskEnd))
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#define __dcbt(addr, offset) asm("dcbt %0,%1" : : "b" (addr), "r" (offset))
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static ID_INLINE unsigned int __lwbrx(register void *addr,
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register int offset) {
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register unsigned int word;
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asm("lwbrx %0,%2,%1" : "=r" (word) : "r" (addr), "b" (offset));
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return word;
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}
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static ID_INLINE unsigned short __lhbrx(register void *addr,
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register int offset) {
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register unsigned short halfword;
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asm("lhbrx %0,%2,%1" : "=r" (halfword) : "r" (addr), "b" (offset));
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return halfword;
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}
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static ID_INLINE float __fctiw(register float f) {
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register float fi;
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asm("fctiw %0,%1" : "=f" (fi) : "f" (f));
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return fi;
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}
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#define BigShort
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static ID_INLINE short LittleShort(short l) { return ShortSwap(l); }
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#define BigLong
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static ID_INLINE int LittleLong(int l) { return LongSwap(l); }
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#define BigFloat
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static ID_INLINE float LittleFloat(const float l) { return FloatSwap(&l); }
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#endif
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//=================================================================== MAC ===
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#ifdef __MACOS__
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#include <MacTypes.h>
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#define ID_INLINE inline
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#define OS_STRING "macos"
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#define ARCH_STRING "ppc"
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#define PATH_SEP ':'
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void Sys_PumpEvents( void );
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#define BigShort
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static ID_INLINE short LittleShort(short l) { return ShortSwap(l); }
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#define BigLong
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static ID_INLINE int LittleLong(int l) { return LongSwap(l); }
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#define BigFloat
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static ID_INLINE float LittleFloat(const float l) { return FloatSwap(&l); }
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#endif
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//================================================================= LINUX ===
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// the mac compiler can't handle >32k of locals, so we
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// just waste space and make big arrays static...
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#ifdef __linux__
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// bk001205 - from Makefile
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#define stricmp strcasecmp
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#define ID_INLINE inline
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#define OS_STRING "linux"
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#if defined __i386__
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#define ARCH_STRING "i386"
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#elif defined __x86_64__
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#define ARCH_STRING "x86_64"
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#elif defined __powerpc64__
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#define ARCH_STRING "ppc64"
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#elif defined __powerpc__
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#define ARCH_STRING "ppc"
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#elif defined __s390__
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#define ARCH_STRING "s390"
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#elif defined __s390x__
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#define ARCH_STRING "s390x"
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#elif defined __ia64__
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#define ARCH_STRING "ia64"
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#elif defined __alpha__
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#define ARCH_STRING "alpha"
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#elif defined __sparc__
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#define ARCH_STRING "sparc"
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#elif defined __arm__
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#define ARCH_STRING "arm"
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#elif defined __cris__
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#define ARCH_STRING "cris"
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#elif defined __hppa__
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#define ARCH_STRING "hppa"
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#elif defined __mips__
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#define ARCH_STRING "mips"
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#elif defined __sh__
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#define ARCH_STRING "sh"
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#else
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#error "Unsupported architecture"
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#endif
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#define PATH_SEP '/'
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#if __FLOAT_WORD_ORDER == __LITTLE_ENDIAN
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ID_INLINE static short BigShort( short l) { return ShortSwap(l); }
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#define LittleShort
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ID_INLINE static int BigLong(int l) { return LongSwap(l); }
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#define LittleLong
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ID_INLINE static float BigFloat(const float l) { return FloatSwap(&l); }
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#define LittleFloat
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#else
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#define BigShort
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ID_INLINE static short LittleShort(short l) { return ShortSwap(l); }
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#define BigLong
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ID_INLINE static int LittleLong(int l) { return LongSwap(l); }
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#define BigFloat
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ID_INLINE static float LittleFloat(const float l) { return FloatSwap(&l); }
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#endif
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#endif
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//=============================================================== FreeBSD ===
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#ifdef __FreeBSD__ // rb010123
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#define stricmp strcasecmp
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#define ID_INLINE inline
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#define OS_STRING "freebsd"
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#ifdef __i386__
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#define ARCH_STRING "i386"
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#elif defined __axp__
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#define ARCH_STRING "alpha"
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#else
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#error "Unsupported architecture"
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#endif
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#define PATH_SEP '/'
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#if !idppc
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static short BigShort( short l) { return ShortSwap(l); }
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#define LittleShort
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static int BigLong(int l) { return LongSwap(l); }
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#define LittleLong
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static float BigFloat(const float l) { return FloatSwap(&l); }
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#define LittleFloat
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#else
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#define BigShort
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static short LittleShort(short l) { return ShortSwap(l); }
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#define BigLong
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static int LittleLong(int l) { return LongSwap(l); }
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#define BigFloat
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static float LittleFloat(const float l) { return FloatSwap(&l); }
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#endif
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#endif
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//================================================================= SUNOS ===
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#ifdef __sun
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#include <sys/isa_defs.h>
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#include <sys/byteorder.h>
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// bk001205 - from Makefile
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#define stricmp strcasecmp
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#define ID_INLINE inline
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#define OS_STRING "solaris"
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#ifdef __i386__
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#define ARCH_STRING "i386"
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#elif defined __sparc
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#define ARCH_STRING "sparc"
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#else
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#error "Unsupported architecture"
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#endif
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#define PATH_SEP '/'
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#if defined(_BIG_ENDIAN) && !defined(_LITTLE_ENDIAN)
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#define BigShort
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ID_INLINE static short LittleShort(short l) { return ShortSwap(l); }
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#define BigLong
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ID_INLINE static int LittleLong(int l) { return LongSwap(l); }
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#define BigFloat
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ID_INLINE static float LittleFloat(const float l) { return FloatSwap(&l); }
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#elif defined(_LITTLE_ENDIAN) && !defined(_BIG_ENDIAN)
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ID_INLINE static short BigShort( short l) { return ShortSwap(l); }
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#define LittleShort
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ID_INLINE static int BigLong(int l) { return LongSwap(l); }
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#define LittleLong
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ID_INLINE static float BigFloat(const float l) { return FloatSwap(&l); }
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#define LittleFloat
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#else
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#error "Either _BIG_ENDIAN or _LITTLE_ENDIAN must be #defined, but not both."
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#endif
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#endif
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//================================================================== Q3VM ===
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#ifdef Q3_VM
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#define ID_INLINE
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#define OS_STRING "q3vm"
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#define ARCH_STRING "bytecode"
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#define PATH_SEP '/'
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#define LittleShort
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#define LittleLong
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#define LittleFloat
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#define BigShort
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#define BigLong
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#define BigFloat
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#endif
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//===========================================================================
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//catch missing defines in above blocks
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#if !defined( OS_STRING ) || !defined( ARCH_STRING )
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#error "OS_STRING or ARCH_STRING not defined"
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#endif
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#ifndef ID_INLINE
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#error "ID_INLINE not defined"
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#endif
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#ifndef PATH_SEP
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#error "PATH_SEP not defined"
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#endif
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#if !defined(BigLong) && !defined(LittleLong)
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#error "Endianness not defined"
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#endif
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#ifdef NDEBUG
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#define PLATFORM_STRING OS_STRING "-" ARCH_STRING
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#else
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#define PLATFORM_STRING OS_STRING "-" ARCH_STRING "-debug"
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#endif
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#endif
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#endif
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