mirror of
https://github.com/ZDoom/Raze.git
synced 2024-11-16 17:32:13 +00:00
592 lines
15 KiB
C
592 lines
15 KiB
C
// Compatibility declarations for things which might not be present in
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// certain build environments. It also levels the playing field caused
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// by different platforms.
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#ifndef __compat_h__
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#define __compat_h__
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# ifdef _WIN32
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# define WIN32_LEAN_AND_MEAN
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# include <windows.h>
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# endif
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#ifndef UNREFERENCED_PARAMETER
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#define UNREFERENCED_PARAMETER(x) x=x
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#endif
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#if defined __GNUC__ || defined __clang__
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# define ATTRIBUTE(attrlist) __attribute__(attrlist)
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#else
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# define ATTRIBUTE(attrlist)
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#endif
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// This gives us access to 'intptr_t' and 'uintptr_t', which are
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// abstractions to the size of a pointer on a given platform
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// (ie, they're guaranteed to be the same size as a pointer)
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#ifdef HAVE_INTTYPES
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# include <inttypes.h>
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#elif defined(_MSC_VER)
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# include "msvc/inttypes.h" // from http://code.google.com/p/msinttypes/
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#endif
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#ifndef _MSC_VER
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#if defined(__GNUC__) && defined(__i386__)
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#ifndef __fastcall
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#define __fastcall __attribute__((fastcall))
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#endif
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#else
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#define __fastcall
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#endif
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#endif
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#ifdef NEDMALLOC
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#include "nedmalloc.h"
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#endif
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#ifndef TRUE
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#define TRUE 1
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#endif
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#ifndef FALSE
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#define FALSE 0
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#endif
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#define WITHKPLIB
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// Define this to rewrite all 'B' versions to library functions. This
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// is for platforms which give us a standard sort of C library so we
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// link directly. Platforms like PalmOS which don't have a standard C
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// library will need to wrap these functions with suitable emulations.
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#define __compat_h_macrodef__
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#ifdef __cplusplus
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# include <cstdarg>
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# ifdef __compat_h_macrodef__
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# include <cstdio>
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# include <cstring>
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# include <cstdlib>
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# include <ctime>
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# endif
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#else
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# include <stdarg.h>
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# include <stddef.h>
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#endif
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#ifdef __compat_h_macrodef__
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# ifndef __cplusplus
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# include <stdio.h>
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# include <string.h>
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# include <stdlib.h>
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# include <time.h>
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# endif
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# include <fcntl.h>
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# include <ctype.h>
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# include <sys/types.h>
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# include <sys/stat.h>
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# include <errno.h>
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# if defined(_WIN32)
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# include <io.h>
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# else
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# include <unistd.h>
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# endif
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#endif
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#ifdef EFENCE
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# include <efence.h>
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#endif
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#if defined(_MSC_VER)
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# define inline __inline
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# define longlong(x) x##i64
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static inline float nearbyintf(float x)
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{
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uint32_t w1, w2;
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__asm fnstcw w1
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w2 = w1 | 0x00000020;
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__asm
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{
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fldcw w2
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fld x
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frndint
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fclex
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fldcw w1
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}
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}
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#else
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# define longlong(x) x##ll
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#endif
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#ifndef NULL
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# define NULL ((void *)0)
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#endif
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// redefined for apple/ppc, which chokes on stderr when linking...
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#define ERRprintf(fmt, ...) fprintf(stderr, fmt, ## __VA_ARGS__)
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#if defined(__linux)
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# include <endian.h>
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# if __BYTE_ORDER == __LITTLE_ENDIAN
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# define B_LITTLE_ENDIAN 1
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# define B_BIG_ENDIAN 0
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# elif __BYTE_ORDER == __BIG_ENDIAN
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# define B_LITTLE_ENDIAN 0
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# define B_BIG_ENDIAN 1
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# endif
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# define B_ENDIAN_C_INLINE 1
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#elif defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__)
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# include <sys/endian.h>
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# if _BYTE_ORDER == _LITTLE_ENDIAN
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# define B_LITTLE_ENDIAN 1
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# define B_BIG_ENDIAN 0
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# elif _BYTE_ORDER == _BIG_ENDIAN
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# define B_LITTLE_ENDIAN 0
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# define B_BIG_ENDIAN 1
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# endif
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# define B_SWAP64(x) __bswap64(x)
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# define B_SWAP32(x) __bswap32(x)
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# define B_SWAP16(x) __bswap16(x)
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#elif defined(__APPLE__)
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#if !defined __x86_64__ && defined __GNUC__
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// PK 20110617: is*() crashes for me in x86 code compiled from 64-bit, and gives link errors on ppc
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// This hack patches all occurences.
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# define isdigit(ch) ({ int32_t c__dontuse_=ch; c__dontuse_>='0' && c__dontuse_<='9'; })
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# define isalpha(ch) ({ int32_t c__dontuse2_=ch; (c__dontuse2_>='A' && c__dontuse2_<='Z') || (c__dontuse2_>='a' && c__dontuse2_<='z'); })
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# define isalnum(ch2) ({ int32_t c2__dontuse_=ch2; isalpha(c2__dontuse_) || isdigit(c2__dontuse_); })
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# if defined __BIG_ENDIAN__
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# define isspace(ch) ({ int32_t c__dontuse_=ch; (c__dontuse_==' ' || c__dontuse_=='\t' || c__dontuse_=='\n' || c__dontuse_=='\v' || c__dontuse_=='\f' || c__dontuse_=='\r'); })
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# define isprint(ch) ({ int32_t c__dontuse_=ch; (c__dontuse_>=0x20 && c__dontuse_<0x7f); })
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# undef ERRprintf
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# define ERRprintf(fmt, ...) printf(fmt, ## __VA_ARGS__)
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# endif
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# endif
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# if defined(__LITTLE_ENDIAN__)
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# define B_LITTLE_ENDIAN 1
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# define B_BIG_ENDIAN 0
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# elif defined(__BIG_ENDIAN__)
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# define B_LITTLE_ENDIAN 0
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# define B_BIG_ENDIAN 1
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# endif
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# include <libkern/OSByteOrder.h>
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# define B_SWAP64(x) OSSwapConstInt64(x)
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# define B_SWAP32(x) OSSwapConstInt32(x)
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# define B_SWAP16(x) OSSwapConstInt16(x)
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#elif defined(__BEOS__)
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# include <posix/endian.h>
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# if LITTLE_ENDIAN != 0
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# define B_LITTLE_ENDIAN 1
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# define B_BIG_ENDIAN 0
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# elif BIG_ENDIAN != 0
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# define B_LITTLE_ENDIAN 0
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# define B_BIG_ENDIAN 1
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# endif
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# define B_ENDIAN_C_INLINE 1
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#elif defined(__QNX__)
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# if defined __LITTLEENDIAN__
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# define B_LITTLE_ENDIAN 1
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# define B_BIG_ENDIAN 0
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# elif defined __BIGENDIAN__
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# define B_LITTLE_ENDIAN 0
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# define B_BIG_ENDIAN 1
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# endif
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# define B_ENDIAN_C_INLINE 1
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#elif defined(__sun)
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# if defined _LITTLE_ENDIAN
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# define B_LITTLE_ENDIAN 1
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# define B_BIG_ENDIAN 0
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# elif defined _BIG_ENDIAN
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# define B_LITTLE_ENDIAN 0
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# define B_BIG_ENDIAN 1
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# endif
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# define B_ENDIAN_C_INLINE 1
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#elif defined(_WIN32) || defined(SKYOS) || defined(__SYLLABLE__)
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# define B_LITTLE_ENDIAN 1
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# define B_BIG_ENDIAN 0
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# define B_ENDIAN_C_INLINE 1
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#endif
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#if !defined(B_LITTLE_ENDIAN) || !defined(B_BIG_ENDIAN)
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# error Unknown endianness
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#endif
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#ifdef __cplusplus
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# ifndef SCREWED_UP_CPP
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// using namespace std;
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# endif
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extern "C" {
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#endif
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#if defined B_ENDIAN_X86_INLINE
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# if defined(_MSC_VER)
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// inline asm using bswap/xchg
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# elif defined(__GNUC__)
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// inline asm using bswap/xchg
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# endif
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#elif defined B_ENDIAN_C_INLINE
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static inline uint16_t B_SWAP16(uint16_t s) { return (s>>8)|(s<<8); }
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static inline uint32_t B_SWAP32(uint32_t l) { return ((l>>8)&0xff00)|((l&0xff00)<<8)|(l<<24)|(l>>24); }
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static inline uint64_t B_SWAP64(uint64_t l) { return (l>>56)|((l>>40)&0xff00)|((l>>24)&0xff0000)|((l>>8)&0xff000000)|((l&255)<<56)|((l&0xff00)<<40)|((l&0xff0000)<<24)|((l&0xff000000)<<8); }
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#endif
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#if defined(USE_MSC_PRAGMAS)
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static inline void ftol(float f, int32_t *a)
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{
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_asm
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{
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mov eax, a
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fld f
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fistp dword ptr [eax]
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}
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}
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static inline void dtol(double d, int32_t *a)
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{
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_asm
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{
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mov eax, a
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fld d
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fistp dword ptr [eax]
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}
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}
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#elif defined(USE_GCC_PRAGMAS)
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static inline void ftol(float f, int32_t *a)
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{
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__asm__ __volatile__(
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#if 0 //(__GNUC__ >= 3)
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"flds %1; fistpl %0;"
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#else
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"flds %1; fistpl (%0);"
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#endif
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: "=r"(a) : "m"(f) : "memory","cc");
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}
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static inline void dtol(double d, int32_t *a)
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{
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__asm__ __volatile__(
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#if 0 //(__GNUC__ >= 3)
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"fldl %1; fistpl %0;"
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#else
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"fldl %1; fistpl (%0);"
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#endif
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: "=r"(a) : "m"(d) : "memory","cc");
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}
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#else
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static inline void ftol(float f, int32_t *a)
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{
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*a = (int32_t)f;
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}
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static inline void dtol(double d, int32_t *a)
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{
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*a = (int32_t)d;
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}
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#endif
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#if B_LITTLE_ENDIAN == 1
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# define B_LITTLE64(x) (x)
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# define B_BIG64(x) B_SWAP64(x)
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# define B_LITTLE32(x) (x)
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# define B_BIG32(x) B_SWAP32(x)
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# define B_LITTLE16(x) (x)
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# define B_BIG16(x) B_SWAP16(x)
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#elif B_BIG_ENDIAN == 1
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# define B_LITTLE64(x) B_SWAP64(x)
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# define B_BIG64(x) (x)
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# define B_LITTLE32(x) B_SWAP32(x)
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# define B_BIG32(x) (x)
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# define B_LITTLE16(x) B_SWAP16(x)
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# define B_BIG16(x) (x)
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#endif
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#ifndef FP_OFF
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# define FP_OFF(__p) ((uintptr_t)(__p))
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#endif
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#ifdef __compat_h_macrodef__
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# ifndef O_BINARY
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# define O_BINARY 0
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# endif
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# ifndef O_TEXT
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# define O_TEXT 0
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# endif
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# ifndef F_OK
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# define F_OK 0
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# endif
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# define BO_BINARY O_BINARY
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# define BO_TEXT O_TEXT
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# define BO_RDONLY O_RDONLY
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# define BO_WRONLY O_WRONLY
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# define BO_RDWR O_RDWR
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# define BO_APPEND O_APPEND
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# define BO_CREAT O_CREAT
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# define BO_TRUNC O_TRUNC
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# define BS_IRGRP S_IRGRP
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# define BS_IWGRP S_IWGRP
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# define BS_IEXEC S_IEXEC
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# define BS_IWRITE S_IWRITE
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# define BS_IREAD S_IREAD
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# define BS_IFIFO S_IFIFO
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# define BS_IFCHR S_IFCHR
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# define BS_IFBLK S_IFBLK
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# define BS_IFDIR S_IFDIR
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# define BS_IFREG S_IFREG
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# define BSEEK_SET SEEK_SET
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# define BSEEK_CUR SEEK_CUR
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# define BSEEK_END SEEK_END
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#else
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# define BO_BINARY 0
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# define BO_TEXT 1
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# define BO_RDONLY 2
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# define BO_WRONLY 4
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# define BO_RDWR 6
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# define BO_APPEND 8
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# define BO_CREAT 16
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# define BO_TRUNC 32
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# define BS_IRGRP 0
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# define BS_IWGRP 0
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# define BS_IEXEC 1
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# define BS_IWRITE 2
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# define BS_IREAD 4
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# define BS_IFIFO 0x1000
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# define BS_IFCHR 0x2000
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# define BS_IFBLK 0x3000
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# define BS_IFDIR 0x4000
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# define BS_IFREG 0x8000
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# define BSEEK_SET 0
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# define BSEEK_CUR 1
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# define BSEEK_END 2
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#endif
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#ifdef UNDERSCORES
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# define ASMSYM(x) "_" x
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#else
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# define ASMSYM(x) x
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#endif
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#ifndef min
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# define min(a,b) ( ((a) < (b)) ? (a) : (b) )
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#endif
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#ifndef max
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# define max(a,b) ( ((a) > (b)) ? (a) : (b) )
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#endif
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#if __GNUC__ >= 4
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static inline __attribute__((warn_unused_result)) int clamp(int in, int min, int max)
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#else
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static inline int clamp(int in, int min, int max)
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#endif
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{
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return in <= min ? min : in >= max ? max : in;
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}
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#define BMAX_PATH 256
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struct Bdirent {
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uint16_t namlen;
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char *name;
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uint32_t mode;
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uint32_t size;
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uint32_t mtime;
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};
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typedef void BDIR;
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BDIR* Bopendir(const char *name);
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struct Bdirent* Breaddir(BDIR *dir);
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int32_t Bclosedir(BDIR *dir);
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#ifdef __compat_h_macrodef__
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typedef FILE BFILE;
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# define bsize_t size_t
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# define bssize_t ssize_t
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#else
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typedef void BFILE;
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typedef uint32_t bsize_t;
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typedef int32_t bssize_t;
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#endif
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#ifdef __compat_h_macrodef__
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# define Brand rand
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# define Balloca alloca
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#ifdef NEDMALLOC
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# define Bmalloc nedmalloc
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# define Bcalloc nedcalloc
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# define Brealloc nedrealloc
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# define Bfree nedfree
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# define Bstrdup nedstrdup
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# define Bmemalign nedmemalign
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#else
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# define Bmalloc malloc
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# define Bcalloc calloc
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# define Brealloc realloc
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# define Bfree free
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# define Bstrdup strdup
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# define Bmemalign memalign
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#endif
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# define Bopen open
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# define Bclose close
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# define Bwrite write
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# define Bread read
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# define Blseek lseek
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# if defined(__GNUC__)
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# define Btell(h) lseek(h,0,SEEK_CUR)
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# else
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# define Btell tell
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# endif
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# define Bstat stat
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# define Bfopen fopen
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# define Bfclose fclose
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# define Bfeof feof
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# define Bfgetc fgetc
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# define Brewind rewind
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# define Bfgets fgets
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# define Bfputc fputc
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# define Bfputs fputs
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# define Bfread fread
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# define Bfwrite fwrite
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# define Bfprintf fprintf
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# define Bstrcpy strcpy
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# define Bstrncpy strncpy
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# define Bstrcmp strcmp
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# define Bstrncmp strncmp
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# if defined(_MSC_VER)
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# define Bstrcasecmp _stricmp
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# define Bstrncasecmp _strnicmp
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# else
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# if defined(__QNX__)
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# define Bstrcasecmp stricmp
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# define Bstrncasecmp strnicmp
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# else
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# define Bstrcasecmp strcasecmp
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# define Bstrncasecmp strncasecmp
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# endif
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# endif
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# if defined(_WIN32)
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# define Bstrlwr strlwr
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# define Bstrupr strupr
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# define Bmkdir(s,x) mkdir(s)
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# else
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# define Bmkdir mkdir
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# endif
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# define Bstrcat strcat
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# define Bstrncat strncat
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# define Bstrlen strlen
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# define Bstrchr strchr
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# define Bstrrchr strrchr
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# define Batoi atoi
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# define Batol atol
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# define Bstrtol strtol
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# define Bstrtoul strtoul
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# define Bstrtod strtod
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# define Bstrstr strstr
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# define Btoupper toupper
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# define Btolower tolower
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# define Bmemcpy memcpy
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# define Bmemmove memmove
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# define Bmemchr memchr
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# define Bmemset memset
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# define Bmemcmp memcmp
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# define Bprintf printf
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# define Bsprintf sprintf
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# ifdef _MSC_VER
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# define Bsnprintf _snprintf
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# define Bvsnprintf _vsnprintf
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# else
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# define Bsnprintf snprintf
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# define Bvsnprintf vsnprintf
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# endif
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# define Bvfprintf vfprintf
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# define Bgetcwd getcwd
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# define Bgetenv getenv
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# define Btime() time(NULL)
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#else
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int32_t Brand(void);
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void *Bmalloc(bsize_t size);
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void Bfree(void *ptr);
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int32_t Bopen(const char *pathname, int32_t flags, unsigned mode);
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int32_t Bclose(int32_t fd);
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bssize_t Bwrite(int32_t fd, const void *buf, bsize_t count);
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bssize_t Bread(int32_t fd, void *buf, bsize_t count);
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int32_t Blseek(int32_t fildes, int32_t offset, int32_t whence);
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BFILE *Bfopen(const char *path, const char *mode);
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int32_t Bfclose(BFILE *stream);
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int32_t Bfeof(BFILE *stream);
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int32_t Bfgetc(BFILE *stream);
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void Brewind(BFILE *stream);
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char *Bfgets(char *s, int32_t size, BFILE *stream);
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int32_t Bfputc(int32_t c, BFILE *stream);
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int32_t Bfputs(const char *s, BFILE *stream);
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bsize_t Bfread(void *ptr, bsize_t size, bsize_t nmemb, BFILE *stream);
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bsize_t Bfwrite(const void *ptr, bsize_t size, bsize_t nmemb, BFILE *stream);
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char *Bstrdup(const char *s);
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char *Bstrcpy(char *dest, const char *src);
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char *Bstrncpy(char *dest, const char *src, bsize_t n);
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int32_t Bstrcmp(const char *s1, const char *s2);
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int32_t Bstrncmp(const char *s1, const char *s2, bsize_t n);
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int32_t Bstrcasecmp(const char *s1, const char *s2);
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int32_t Bstrncasecmp(const char *s1, const char *s2, bsize_t n);
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char *Bstrcat(char *dest, const char *src);
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char *Bstrncat(char *dest, const char *src, bsize_t n);
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bsize_t Bstrlen(const char *s);
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char *Bstrchr(const char *s, int32_t c);
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char *Bstrrchr(const char *s, int32_t c);
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int32_t Batoi(const char *nptr);
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int32_t Batol(const char *nptr);
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int32_t Bstrtol(const char *nptr, char **endptr, int32_t base);
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uint32_t Bstrtoul(const char *nptr, char **endptr, int32_t base);
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void *Bmemcpy(void *dest, const void *src, bsize_t n);
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void *Bmemmove(void *dest, const void *src, bsize_t n);
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void *Bmemchr(const void *s, int32_t c, bsize_t n);
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void *Bmemset(void *s, int32_t c, bsize_t n);
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int32_t Bmemcmp(const void *s1, const void *s2, bsize_t n);
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int32_t Bprintf(const char *format, ...) ATTRIBUTE((format(printf,1,2)));
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int32_t Bsprintf(char *str, const char *format, ...) ATTRIBUTE((format(printf,2,3)));
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int32_t Bsnprintf(char *str, bsize_t size, const char *format, ...) ATTRIBUTE((format(printf,3,4)));
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int32_t Bvsnprintf(char *str, bsize_t size, const char *format, va_list ap);
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char *Bgetcwd(char *buf, bsize_t size);
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char *Bgetenv(const char *name);
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#endif
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char *Bgethomedir(void);
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|
char *Bgetsupportdir(int32_t global);
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|
uint32_t Bgetsysmemsize(void);
|
|
int32_t Bcorrectfilename(char *filename, int32_t removefn);
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|
int32_t Bcanonicalisefilename(char *filename, int32_t removefn);
|
|
char *Bgetsystemdrives(void);
|
|
int32_t Bfilelength(int32_t fd);
|
|
char *Bstrtoken(char *s, const char *delim, char **ptrptr, int32_t chop);
|
|
int32_t Bwildmatch (const char *i, const char *j);
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|
|
#if !defined(_WIN32)
|
|
char *Bstrlwr(char *);
|
|
char *Bstrupr(char *);
|
|
#endif
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
// timer defs for profiling function chunks the simple way
|
|
#define EDUKE32_TMRDEF int32_t t[20], ti=0; const char *tmrstr=__func__; fprintf(stderr,"%s\n",tmrstr); t[ti++]=getticks();
|
|
#define EDUKE32_TMRTIC t[ti++]=getticks()
|
|
#define EDUKE32_TMRPRN do { int ii=0; fprintf(stderr,"%s: ",tmrstr); for (ii=1; ii<ti; ii++) fprintf(stderr,"%d ", t[ii]-t[ii-1]); fprintf(stderr,"\n"); } while (0)
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#endif // __compat_h__
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