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raze-gles/polymer/eduke32/build/include/compat.h
helixhorned 68e6141c32 Patch adding Wii support by tueidj, part 10: sound and endianness changes 
This part is a mixture of the original patch and my changes.  It seems like
tueidj had some trouble
 1) getting OGG to work, which is why it's conditionally compiled out
 2) struggling with endianness with the mixing routines?  This may be also
    due to him missing to define two others BIGENDIAN macros (our code is
    in need of cleanup there).  Note the change in jaudiolib/src/mix.c!

Because I added my share to this part, I might have actually broken sound
mixing on big-endian platforms.

git-svn-id: https://svn.eduke32.com/eduke32@2630 1a8010ca-5511-0410-912e-c29ae57300e0
2012-05-01 12:40:53 +00:00

635 lines
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// Compatibility declarations for things which might not be present in
// certain build environments. It also levels the playing field caused
// by different platforms.
#ifndef __compat_h__
#define __compat_h__
# ifdef _WIN32
# define WIN32_LEAN_AND_MEAN
# include <windows.h>
# endif
#ifndef UNREFERENCED_PARAMETER
#define UNREFERENCED_PARAMETER(x) x=x
#endif
#if defined __GNUC__ || defined __clang__
# define ATTRIBUTE(attrlist) __attribute__(attrlist)
#else
# define ATTRIBUTE(attrlist)
#endif
// This gives us access to 'intptr_t' and 'uintptr_t', which are
// abstractions to the size of a pointer on a given platform
// (ie, they're guaranteed to be the same size as a pointer)
#ifdef HAVE_INTTYPES
# include <inttypes.h>
#elif defined(_MSC_VER)
# include "msvc/inttypes.h" // from http://code.google.com/p/msinttypes/
#endif
#ifndef _MSC_VER
#if defined(__GNUC__) && defined(__i386__)
#ifndef __fastcall
#define __fastcall __attribute__((fastcall))
#endif
#else
#define __fastcall
#endif
#endif
#ifdef NEDMALLOC
#include "nedmalloc.h"
#endif
#ifndef TRUE
#define TRUE 1
#endif
#ifndef FALSE
#define FALSE 0
#endif
#define WITHKPLIB
// Define this to rewrite all 'B' versions to library functions. This
// is for platforms which give us a standard sort of C library so we
// link directly. Platforms like PalmOS which don't have a standard C
// library will need to wrap these functions with suitable emulations.
#define __compat_h_macrodef__
#ifdef __cplusplus
# include <cstdarg>
# ifdef __compat_h_macrodef__
# include <cstdio>
# include <cstring>
# include <cstdlib>
# include <ctime>
# endif
#else
# include <stdarg.h>
# include <stddef.h>
#endif
#ifdef __compat_h_macrodef__
# ifndef __cplusplus
# include <stdio.h>
# include <string.h>
# include <stdlib.h>
# include <time.h>
# endif
# include <fcntl.h>
# include <ctype.h>
# include <sys/types.h>
# include <sys/stat.h>
# include <errno.h>
# if defined(_WIN32)
# include <io.h>
# else
# include <unistd.h>
# endif
#endif
#include <assert.h>
#ifdef EFENCE
# include <efence.h>
#elif defined DMALLOC
# include <dmalloc.h>
#endif
#if defined(_MSC_VER)
# define inline __inline
# define longlong(x) x##i64
static inline float nearbyintf(float x)
{
uint32_t w1, w2;
__asm fnstcw w1
w2 = w1 | 0x00000020;
__asm
{
fldcw w2
fld x
frndint
fclex
fldcw w1
}
}
#else
# define longlong(x) x##ll
#endif
#ifndef NULL
# define NULL ((void *)0)
#endif
#if DEBUGGINGAIDS>=2
# define DEBUG_MAIN_ARRAYS
#endif
#if !defined DEBUG_MAIN_ARRAYS
# define HAVE_CLIPSHAPE_FEATURE
#endif
// redefined for apple/ppc, which chokes on stderr when linking...
#define ERRprintf(fmt, ...) fprintf(stderr, fmt, ## __VA_ARGS__)
#if defined(__linux)
# include <endian.h>
# if __BYTE_ORDER == __LITTLE_ENDIAN
# define B_LITTLE_ENDIAN 1
# define B_BIG_ENDIAN 0
# elif __BYTE_ORDER == __BIG_ENDIAN
# define B_LITTLE_ENDIAN 0
# define B_BIG_ENDIAN 1
# endif
# define B_ENDIAN_C_INLINE 1
#elif defined(GEKKO)
# define B_LITTLE_ENDIAN 0
# define B_BIG_ENDIAN 1
# define B_ENDIAN_C_INLINE 1
#elif defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__)
# include <sys/endian.h>
# if _BYTE_ORDER == _LITTLE_ENDIAN
# define B_LITTLE_ENDIAN 1
# define B_BIG_ENDIAN 0
# elif _BYTE_ORDER == _BIG_ENDIAN
# define B_LITTLE_ENDIAN 0
# define B_BIG_ENDIAN 1
# endif
# define B_SWAP64(x) __bswap64(x)
# define B_SWAP32(x) __bswap32(x)
# define B_SWAP16(x) __bswap16(x)
#elif defined(__APPLE__)
#if !defined __x86_64__ && defined __GNUC__
// PK 20110617: is*() crashes for me in x86 code compiled from 64-bit, and gives link errors on ppc
// This hack patches all occurences.
# define isdigit(ch) ({ int32_t c__dontuse_=ch; c__dontuse_>='0' && c__dontuse_<='9'; })
# define isalpha(ch) ({ int32_t c__dontuse2_=ch; (c__dontuse2_>='A' && c__dontuse2_<='Z') || (c__dontuse2_>='a' && c__dontuse2_<='z'); })
# define isalnum(ch2) ({ int32_t c2__dontuse_=ch2; isalpha(c2__dontuse_) || isdigit(c2__dontuse_); })
# if defined __BIG_ENDIAN__
# 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'); })
# define isprint(ch) ({ int32_t c__dontuse_=ch; (c__dontuse_>=0x20 && c__dontuse_<0x7f); })
# undef ERRprintf
# define ERRprintf(fmt, ...) printf(fmt, ## __VA_ARGS__)
# endif
# endif
# if defined(__LITTLE_ENDIAN__)
# define B_LITTLE_ENDIAN 1
# define B_BIG_ENDIAN 0
# elif defined(__BIG_ENDIAN__)
# define B_LITTLE_ENDIAN 0
# define B_BIG_ENDIAN 1
# endif
# include <libkern/OSByteOrder.h>
# define B_SWAP64(x) OSSwapConstInt64(x)
# define B_SWAP32(x) OSSwapConstInt32(x)
# define B_SWAP16(x) OSSwapConstInt16(x)
#elif defined(__BEOS__)
# include <posix/endian.h>
# if LITTLE_ENDIAN != 0
# define B_LITTLE_ENDIAN 1
# define B_BIG_ENDIAN 0
# elif BIG_ENDIAN != 0
# define B_LITTLE_ENDIAN 0
# define B_BIG_ENDIAN 1
# endif
# define B_ENDIAN_C_INLINE 1
#elif defined(__QNX__)
# if defined __LITTLEENDIAN__
# define B_LITTLE_ENDIAN 1
# define B_BIG_ENDIAN 0
# elif defined __BIGENDIAN__
# define B_LITTLE_ENDIAN 0
# define B_BIG_ENDIAN 1
# endif
# define B_ENDIAN_C_INLINE 1
#elif defined(__sun)
# if defined _LITTLE_ENDIAN
# define B_LITTLE_ENDIAN 1
# define B_BIG_ENDIAN 0
# elif defined _BIG_ENDIAN
# define B_LITTLE_ENDIAN 0
# define B_BIG_ENDIAN 1
# endif
# define B_ENDIAN_C_INLINE 1
#elif defined(_WIN32) || defined(SKYOS) || defined(__SYLLABLE__)
# define B_LITTLE_ENDIAN 1
# define B_BIG_ENDIAN 0
# define B_ENDIAN_C_INLINE 1
#endif
#if !defined(B_LITTLE_ENDIAN) || !defined(B_BIG_ENDIAN)
# error Unknown endianness
#endif
#ifdef __cplusplus
# ifndef SCREWED_UP_CPP
// using namespace std;
# endif
extern "C" {
#endif
#if defined B_ENDIAN_X86_INLINE
# if defined(_MSC_VER)
// inline asm using bswap/xchg
# elif defined(__GNUC__)
// inline asm using bswap/xchg
# endif
#elif defined B_ENDIAN_C_INLINE
static inline uint16_t B_SWAP16(uint16_t s) { return (s>>8)|(s<<8); }
static inline uint32_t B_SWAP32(uint32_t l) { return ((l>>8)&0xff00)|((l&0xff00)<<8)|(l<<24)|(l>>24); }
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); }
#endif
#if defined(USE_MSC_PRAGMAS)
static inline void ftol(float f, int32_t *a)
{
_asm
{
mov eax, a
fld f
fistp dword ptr [eax]
}
}
static inline void dtol(double d, int32_t *a)
{
_asm
{
mov eax, a
fld d
fistp dword ptr [eax]
}
}
#elif defined(USE_GCC_PRAGMAS)
static inline void ftol(float f, int32_t *a)
{
__asm__ __volatile__(
#if 0 //(__GNUC__ >= 3)
"flds %1; fistpl %0;"
#else
"flds %1; fistpl (%0);"
#endif
: "=r"(a) : "m"(f) : "memory","cc");
}
static inline void dtol(double d, int32_t *a)
{
__asm__ __volatile__(
#if 0 //(__GNUC__ >= 3)
"fldl %1; fistpl %0;"
#else
"fldl %1; fistpl (%0);"
#endif
: "=r"(a) : "m"(d) : "memory","cc");
}
#else
static inline void ftol(float f, int32_t *a)
{
*a = (int32_t)f;
}
static inline void dtol(double d, int32_t *a)
{
*a = (int32_t)d;
}
#endif
#if B_LITTLE_ENDIAN == 1
# define B_LITTLE64(x) (x)
# define B_BIG64(x) B_SWAP64(x)
# define B_LITTLE32(x) (x)
# define B_BIG32(x) B_SWAP32(x)
# define B_LITTLE16(x) (x)
# define B_BIG16(x) B_SWAP16(x)
#elif B_BIG_ENDIAN == 1
# define B_LITTLE64(x) B_SWAP64(x)
# define B_BIG64(x) (x)
# define B_LITTLE32(x) B_SWAP32(x)
# define B_BIG32(x) (x)
# define B_LITTLE16(x) B_SWAP16(x)
# define B_BIG16(x) (x)
#endif
#ifndef FP_OFF
# define FP_OFF(__p) ((uintptr_t)(__p))
#endif
#ifdef __compat_h_macrodef__
# ifndef O_BINARY
# define O_BINARY 0
# endif
# ifndef O_TEXT
# define O_TEXT 0
# endif
# ifndef F_OK
# define F_OK 0
# endif
# define BO_BINARY O_BINARY
# define BO_TEXT O_TEXT
# define BO_RDONLY O_RDONLY
# define BO_WRONLY O_WRONLY
# define BO_RDWR O_RDWR
# define BO_APPEND O_APPEND
# define BO_CREAT O_CREAT
# define BO_TRUNC O_TRUNC
# define BS_IRGRP S_IRGRP
# define BS_IWGRP S_IWGRP
# define BS_IEXEC S_IEXEC
# define BS_IWRITE S_IWRITE
# define BS_IREAD S_IREAD
# define BS_IFIFO S_IFIFO
# define BS_IFCHR S_IFCHR
# define BS_IFBLK S_IFBLK
# define BS_IFDIR S_IFDIR
# define BS_IFREG S_IFREG
# define BSEEK_SET SEEK_SET
# define BSEEK_CUR SEEK_CUR
# define BSEEK_END SEEK_END
#else
# define BO_BINARY 0
# define BO_TEXT 1
# define BO_RDONLY 2
# define BO_WRONLY 4
# define BO_RDWR 6
# define BO_APPEND 8
# define BO_CREAT 16
# define BO_TRUNC 32
# define BS_IRGRP 0
# define BS_IWGRP 0
# define BS_IEXEC 1
# define BS_IWRITE 2
# define BS_IREAD 4
# define BS_IFIFO 0x1000
# define BS_IFCHR 0x2000
# define BS_IFBLK 0x3000
# define BS_IFDIR 0x4000
# define BS_IFREG 0x8000
# define BSEEK_SET 0
# define BSEEK_CUR 1
# define BSEEK_END 2
#endif
#ifdef UNDERSCORES
# define ASMSYM(x) "_" x
#else
# define ASMSYM(x) x
#endif
#ifndef min
# define min(a,b) ( ((a) < (b)) ? (a) : (b) )
#endif
#ifndef max
# define max(a,b) ( ((a) > (b)) ? (a) : (b) )
#endif
#if __GNUC__ >= 4
static inline __attribute__((warn_unused_result)) int32_t clamp(int32_t in, int32_t min, int32_t max)
#else
static inline int32_t clamp(int32_t in, int32_t min, int32_t max)
#endif
{
return in <= min ? min : (in >= max ? max : in);
}
#define BMAX_PATH 256
struct Bdirent {
uint16_t namlen;
char *name;
uint32_t mode;
uint32_t size;
uint32_t mtime;
};
typedef void BDIR;
BDIR* Bopendir(const char *name);
struct Bdirent* Breaddir(BDIR *dir);
int32_t Bclosedir(BDIR *dir);
#ifdef __compat_h_macrodef__
typedef FILE BFILE;
# define bsize_t size_t
# define bssize_t ssize_t
#else
typedef void BFILE;
typedef uint32_t bsize_t;
typedef int32_t bssize_t;
#endif
static inline char *Bstrncpyz(char *dst, const char *src, bsize_t n)
{
strncpy(dst, src, n);
dst[n-1] = 0;
return dst;
}
#if RAND_MAX == 32767
static inline uint16_t system_15bit_rand(void) { return (uint16_t)rand(); }
#else // RAND_MAX > 32767, assumed to be of the form 2^k - 1
static inline uint16_t system_15bit_rand(void) { return ((uint16_t)rand())&0x7fff; }
#endif
#if defined(_MSC_VER)
// XXX: non-__compat_h_macrodef__ version?
#define strtoll _strtoi64
#endif
#ifdef __compat_h_macrodef__
# define Bassert assert
# define Brand rand
# define Balloca alloca
# ifdef NEDMALLOC
# define Bmalloc nedmalloc
# define Bcalloc nedcalloc
# define Brealloc nedrealloc
# define Bfree nedfree
# define Bstrdup nedstrdup
# define Bmemalign nedmemalign
# else
# define Bmalloc malloc
# define Bcalloc calloc
# define Brealloc realloc
# define Bfree free
# define Bstrdup strdup
# define Bmemalign memalign
# endif
# define Bopen open
# define Bclose close
# define Bwrite write
# define Bread read
# define Blseek lseek
# if defined(__GNUC__)
# define Btell(h) lseek(h,0,SEEK_CUR)
# else
# define Btell tell
# endif
# define Bstat stat
# define Bfopen fopen
# define Bfclose fclose
# define Bfeof feof
# define Bfgetc fgetc
# define Brewind rewind
# define Bfgets fgets
# define Bfputc fputc
# define Bfputs fputs
# define Bfread fread
# define Bfwrite fwrite
# define Bfprintf fprintf
# define Bfscanf fscanf
# define Bfseek fseek
# define Bftell ftell
# define Bputs puts
# define Bstrcpy strcpy
# define Bstrncpy strncpy
# define Bstrcmp strcmp
# define Bstrncmp strncmp
# if defined(_MSC_VER)
# define Bstrcasecmp _stricmp
# define Bstrncasecmp _strnicmp
# else
# if defined(__QNX__)
# define Bstrcasecmp stricmp
# define Bstrncasecmp strnicmp
# else
# define Bstrcasecmp strcasecmp
# define Bstrncasecmp strncasecmp
# endif
# endif
# if defined(_WIN32)
# define Bstrlwr strlwr
# define Bstrupr strupr
# define Bmkdir(s,x) mkdir(s)
# else
# define Bmkdir mkdir
# endif
# define Bstrcat strcat
# define Bstrncat strncat
# define Bstrlen strlen
# define Bstrchr strchr
# define Bstrrchr strrchr
// XXX: different across 32- and 64-bit archs (e.g.
// parsing the decimal representation of 0xffffffff,
// 4294967295 -- long is signed, so strtol would
// return LONG_MAX (== 0x7fffffff on 32-bit archs))
# define Batoi(str) ((int32_t)strtol(str, NULL, 10))
# define Batol(str) (strtol(str, NULL, 10))
# define Batof(str) (strtod(str, NULL))
# define Bstrtol strtol
# define Bstrtoul strtoul
# define Bstrtod strtod
# define Bstrstr strstr
# define Btoupper toupper
# define Btolower tolower
# define Bmemcpy memcpy
# define Bmemmove memmove
# define Bmemchr memchr
# define Bmemset memset
# define Bmemcmp memcmp
# define Bscanf scanf
# define Bprintf printf
# define Bsscanf sscanf
# define Bsprintf sprintf
# ifdef _MSC_VER
# define Bsnprintf _snprintf
# define Bvsnprintf _vsnprintf
# else
# define Bsnprintf snprintf
# define Bvsnprintf vsnprintf
# endif
# define Bvfprintf vfprintf
# define Bgetcwd getcwd
# define Bgetenv getenv
# define Btime() time(NULL)
#else
void Bassert(int);
int32_t Brand(void);
void *Bmalloc(bsize_t size);
void Bfree(void *ptr);
int32_t Bopen(const char *pathname, int32_t flags, unsigned mode);
int32_t Bclose(int32_t fd);
bssize_t Bwrite(int32_t fd, const void *buf, bsize_t count);
bssize_t Bread(int32_t fd, void *buf, bsize_t count);
int32_t Blseek(int32_t fildes, int32_t offset, int32_t whence);
BFILE *Bfopen(const char *path, const char *mode);
int32_t Bfclose(BFILE *stream);
int32_t Bfeof(BFILE *stream);
int32_t Bfgetc(BFILE *stream);
void Brewind(BFILE *stream);
char *Bfgets(char *s, int32_t size, BFILE *stream);
int32_t Bfputc(int32_t c, BFILE *stream);
int32_t Bfputs(const char *s, BFILE *stream);
bsize_t Bfread(void *ptr, bsize_t size, bsize_t nmemb, BFILE *stream);
bsize_t Bfwrite(const void *ptr, bsize_t size, bsize_t nmemb, BFILE *stream);
char *Bstrdup(const char *s);
char *Bstrcpy(char *dest, const char *src);
char *Bstrncpy(char *dest, const char *src, bsize_t n);
int32_t Bstrcmp(const char *s1, const char *s2);
int32_t Bstrncmp(const char *s1, const char *s2, bsize_t n);
int32_t Bstrcasecmp(const char *s1, const char *s2);
int32_t Bstrncasecmp(const char *s1, const char *s2, bsize_t n);
char *Bstrcat(char *dest, const char *src);
char *Bstrncat(char *dest, const char *src, bsize_t n);
bsize_t Bstrlen(const char *s);
char *Bstrchr(const char *s, int32_t c);
char *Bstrrchr(const char *s, int32_t c);
int32_t Batoi(const char *nptr);
int32_t Batol(const char *nptr);
int32_t Bstrtol(const char *nptr, char **endptr, int32_t base);
uint32_t Bstrtoul(const char *nptr, char **endptr, int32_t base);
void *Bmemcpy(void *dest, const void *src, bsize_t n);
void *Bmemmove(void *dest, const void *src, bsize_t n);
void *Bmemchr(const void *s, int32_t c, bsize_t n);
void *Bmemset(void *s, int32_t c, bsize_t n);
int32_t Bmemcmp(const void *s1, const void *s2, bsize_t n);
int32_t Bprintf(const char *format, ...) ATTRIBUTE((format(printf,1,2)));
int32_t Bsprintf(char *str, const char *format, ...) ATTRIBUTE((format(printf,2,3)));
int32_t Bsnprintf(char *str, bsize_t size, const char *format, ...) ATTRIBUTE((format(printf,3,4)));
int32_t Bvsnprintf(char *str, bsize_t size, const char *format, va_list ap);
char *Bgetcwd(char *buf, bsize_t size);
char *Bgetenv(const char *name);
#endif
char *Bgethomedir(void);
char *Bgetsupportdir(int32_t global);
uint32_t Bgetsysmemsize(void);
int32_t Bcorrectfilename(char *filename, int32_t removefn);
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);
char *Bstrtolower(char *str);
int32_t Bwildmatch (const char *i, const char *j);
#if !defined(_WIN32)
char *Bstrlwr(char *);
char *Bstrupr(char *);
#endif
#ifdef __cplusplus
}
#endif
#endif // __compat_h__
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