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78cbc8cc5f
macros in one place. git-svn-id: http://svn.code.sf.net/p/quakespasm/code/trunk/quakespasm@277 af15c1b1-3010-417e-b628-4374ebc0bcbd
176 lines
4.4 KiB
C
176 lines
4.4 KiB
C
/*
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q_stdinc.h
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includes the minimum necessary stdc headers,
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defines common and / or missing types.
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Copyright (C) 1996-1997 Id Software, Inc.
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Copyright (C) 2007-2008 O.Sezer <sezero@users.sourceforge.net>
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the 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 this program; if not, write to:
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Free Software Foundation, Inc.
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51 Franklin St, Fifth Floor,
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Boston, MA 02110-1301 USA
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*/
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#ifndef __QSTDINC_H
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#define __QSTDINC_H
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#include <sys/types.h>
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#include <stddef.h>
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#include <limits.h>
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/* NOTES on TYPE SIZES:
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Quake/Hexen II engine relied on 32 bit int type size
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with ILP32 (not LP32) model in mind. We now support
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LP64 and LLP64, too. We expect:
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sizeof (char) == 1
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sizeof (short) == 2
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sizeof (int) == 4
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sizeof (float) == 4
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sizeof (long) == 4 / 8
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sizeof (pointer *) == 4 / 8
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FIXME: Properly replace certain short and int usage
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with int16_t and int32_t.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdarg.h>
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#include <string.h>
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#if !(defined(_WIN32) || defined(_WIN64))
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#include <strings.h> /* strcasecmp and strncasecmp */
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#endif /* ! PLATFORM_WINDOWS */
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/*==========================================================================*/
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#ifndef NULL
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#if defined(__cplusplus)
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#define NULL 0
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#else
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#define NULL ((void *)0)
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#endif
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#endif
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#define Q_MAXCHAR ((char)0x7f)
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#define Q_MAXSHORT ((short)0x7fff)
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#define Q_MAXINT ((int)0x7fffffff)
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#define Q_MAXLONG ((int)0x7fffffff)
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#define Q_MAXFLOAT ((int)0x7fffffff)
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#define Q_MINCHAR ((char)0x80)
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#define Q_MINSHORT ((short)0x8000)
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#define Q_MININT ((int)0x80000000)
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#define Q_MINLONG ((int)0x80000000)
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#define Q_MINFLOAT ((int)0x7fffffff)
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/* Make sure the types really have the right
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* sizes: These macros are from SDL headers.
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*/
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#define COMPILE_TIME_ASSERT(name, x) \
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typedef int dummy_ ## name[(x) * 2 - 1]
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COMPILE_TIME_ASSERT(char, sizeof(char) == 1);
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COMPILE_TIME_ASSERT(float, sizeof(float) == 4);
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COMPILE_TIME_ASSERT(long, sizeof(long) >= 4);
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COMPILE_TIME_ASSERT(int, sizeof(int) == 4);
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COMPILE_TIME_ASSERT(short, sizeof(short) == 2);
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/* make sure enums are the size of ints for structure packing */
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typedef enum {
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THE_DUMMY_VALUE
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} THE_DUMMY_ENUM;
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COMPILE_TIME_ASSERT(enum, sizeof(THE_DUMMY_ENUM) == sizeof(int));
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/* Provide a substitute for offsetof() if we don't have one.
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* This variant works on most (but not *all*) systems...
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*/
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#ifndef offsetof
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#define offsetof(t,m) ((size_t)&(((t *)0)->m))
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#endif
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/*==========================================================================*/
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typedef unsigned char byte;
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#undef true
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#undef false
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#if defined(__cplusplus)
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/* do NOT use the bool of C++ because some structures have boolean and they
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* expect it to be 4 bytes long. as a hack, typedef it as int. */
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/* DO HOPE that the compiler built-ins for true and false are 1 and 0 ... */
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typedef int qboolean;
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#else
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typedef enum {
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false = 0,
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true = 1
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} qboolean;
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#endif
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/*==========================================================================*/
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/* math */
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typedef float vec_t;
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typedef vec_t vec3_t[3];
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typedef vec_t vec5_t[5];
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typedef int fixed4_t;
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typedef int fixed8_t;
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typedef int fixed16_t;
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/*==========================================================================*/
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#if defined(_MSC_VER)
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#if defined(_WIN64)
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#define ssize_t SSIZE_T
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#else
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typedef int ssize_t;
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#endif /* _WIN64 */
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#endif /* _MSC_VER */
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/* compatibility with M$ types */
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#if !(defined(_WIN32) || defined(_WIN64))
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#define PASCAL
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#define FAR
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#define APIENTRY
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#endif /* ! WINDOWS */
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#if !defined(__GNUC__)
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#define __attribute__(x)
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#endif /* __GNUC__ */
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/* argument format attributes for function
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* pointers are supported for gcc >= 3.1
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*/
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#if defined(__GNUC__) && (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ > 0))
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#define __fp_attribute__ __attribute__
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#else
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#define __fp_attribute__(x)
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#endif
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#if defined(_MSC_VER) && !defined(__cplusplus)
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#define inline __inline
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#endif /* _MSC_VER */
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/*==========================================================================*/
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#endif /* __QSTDINC_H */
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