Subversion Repositories eduke32

// 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 __GNUC__

# define EDUKE32_GCC_PREREQ(major, minor) (major < __GNUC__ || (major == __GNUC__ && minor <= __GNUC_MINOR__))

#else

# define EDUKE32_GCC_PREREQ(major, minor) 0

#endif

#ifdef __clang__

# define EDUKE32_CLANG_PREREQ(major, minor) (major < __clang_major__ || (major == __clang_major__ && minor <= __clang_minor__))

#else

# define EDUKE32_CLANG_PREREQ(major, minor) 0

#endif

#ifndef __has_builtin

# define __has_builtin(x) 0  // Compatibility with non-clang compilers.

#endif

#ifndef __has_feature

# define __has_feature(x) 0  // Compatibility with non-clang compilers.

#endif

#ifndef __has_extension

# define __has_extension __has_feature // Compatibility with pre-3.0 compilers.

#endif

#if !defined(_MSC_VER) || _MSC_FULL_VER < 180031101

#ifdef UNREFERENCED_PARAMETER

#undef UNREFERENCED_PARAMETER

#endif

#define UNREFERENCED_PARAMETER(x) x = x

#endif

#if defined __GNUC__ || defined __clang__

# define ATTRIBUTE(attrlist) __attribute__(attrlist)

#else

# define ATTRIBUTE(attrlist)

#endif

#if !defined __clang__ && !defined USING_LTO

# define ATTRIBUTE_OPTIMIZE(str) ATTRIBUTE((optimize(str)))

#else

# define ATTRIBUTE_OPTIMIZE(str)

#endif

#if defined __GNUC__ || __has_builtin(__builtin_expect)

#define EDUKE32_PREDICT_TRUE(x)       __builtin_expect(!!(x),1)

#define EDUKE32_PREDICT_FALSE(x)     __builtin_expect(!!(x),0)

#else

#define EDUKE32_PREDICT_TRUE(x) (x)

#define EDUKE32_PREDICT_FALSE(x) (x)

#endif

#if EDUKE32_GCC_PREREQ(4,5)  || __has_builtin(__builtin_unreachable)

#define EDUKE32_UNREACHABLE_SECTION(...)   __builtin_unreachable()

#elif _MSC_VER

#define EDUKE32_UNREACHABLE_SECTION(...)   __assume(0)

#else

#define EDUKE32_UNREACHABLE_SECTION(...) __VA_ARGS__

#endif

#ifndef min

#define min(x,y) ((x) < (y) ? (x) : (y))

#endif

#ifndef max

#define max(x,y) ((x) > (y) ? (x) : (y))

#endif

#if defined __FreeBSD__ || defined __NetBSD__ || defined __OpenBSD__ || defined __bsdi__ || defined __DragonFly__

# define EDUKE32_BSD

#endif

#if !defined __APPLE__ && (!defined EDUKE32_BSD || !__STDC__)

# include <malloc.h>

#endif

#ifdef _WIN32

# define WIN32_LEAN_AND_MEAN

# include <windows.h>

#endif

#ifdef __APPLE__

# include <TargetConditionals.h>

# if TARGET_OS_IPHONE || TARGET_IPHONE_SIMULATOR

#  define EDUKE32_IOS

# else

#  define EDUKE32_OSX

#  if MAC_OS_X_VERSION_MAX_ALLOWED <= MAC_OS_X_VERSION_10_3

#   include <CoreFoundation/CoreFoundation.h>

#  endif

#  include <CoreServices/CoreServices.h>

# endif

#endif

#if defined __ANDROID__ || defined EDUKE32_IOS

# define EDUKE32_TOUCH_DEVICES

# define EDUKE32_GLES

#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)

#undef __USE_MINGW_ANSI_STDIO // Workaround for MinGW-w64.

#ifndef __STDC_FORMAT_MACROS

#define __STDC_FORMAT_MACROS

#endif

#ifndef __STDC_LIMIT_MACROS

# define __STDC_LIMIT_MACROS

#endif

#if defined(HAVE_INTTYPES) || defined(__cplusplus)

# include <stdint.h>

# include <inttypes.h>

// Ghetto. Blame devkitPPC's faulty headers.

# ifdef GEKKO

#  undef PRIdPTR

#  define PRIdPTR "d"

#  undef PRIxPTR

#  define PRIxPTR "x"

#  undef SCNx32

#  define SCNx32 "x"

# endif

#elif defined(_MSC_VER)

# include "msvc/inttypes.h" // from http://code.google.com/p/msinttypes/

#endif

#ifndef _MSC_VER

#  ifndef __fastcall

#    if defined(__GNUC__) && defined(__i386__)

#      define __fastcall __attribute__((fastcall))

#    else

#      define __fastcall

#    endif

#  endif

#endif

#ifndef TRUE

#  define TRUE 1

#endif

#ifndef FALSE

#  define FALSE 0

#endif

#define WITHKPLIB

#include "libdivide.h"

// 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__

#include <stdarg.h>

#include <stddef.h>

#ifdef compat_h_macrodef__

# include <stdio.h>

# include <string.h>

# include <stdlib.h>

# include <time.h>

# 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)

# include <direct.h>

# define longlong(x) x##i64

# if _MSC_VER < 1800

#  define inline __inline

# endif

#else

# define longlong(x) x##ll

#endif

#if defined(__arm__)

# define Bsqrt __builtin_sqrt

# define Bsqrtf __builtin_sqrtf

#else

# define Bsqrt sqrt

# define Bsqrtf sqrtf

#endif

#ifndef NULL

# define NULL ((void *)0)

#endif

#if DEBUGGINGAIDS>=2

# define DEBUG_MAIN_ARRAYS

#endif

#ifndef DISABLE_INLINING

# define EXTERN_INLINE static inline

# define EXTERN_INLINE_HEADER static inline

#else

# define EXTERN_INLINE __fastcall

# define EXTERN_INLINE_HEADER extern __fastcall

#endif

#ifndef FORCE_INLINE

# ifdef _MSC_VER    // Visual Studio

#  define FORCE_INLINE static __forceinline

# else

#  ifdef __GNUC__

#    define FORCE_INLINE static inline __attribute__((always_inline))

#  else

#    define FORCE_INLINE static inline

#  endif

# endif

#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) || defined(__ANDROID__)

# define B_LITTLE_ENDIAN 0

# define B_BIG_ENDIAN 1

# define B_ENDIAN_C_INLINE 1

#elif defined(__OpenBSD__)

# include <machine/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) __swap64(x)

# define B_SWAP32(x) __swap32(x)

# define B_SWAP16(x) __swap16(x)

#elif defined EDUKE32_BSD

# 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

#if defined _LP64 || defined __LP64__ || defined __64BIT__ || _ADDR64 || defined _WIN64 || defined __arch64__ ||       \

__WORDSIZE == 64 || (defined __sparc && defined __sparcv9) || defined __x86_64 || defined __amd64 ||                   \

defined __x86_64__ || defined __amd64__ || defined _M_X64 || defined _M_IA64 || defined __ia64 || defined __IA64__

# define BITNESS64

#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

FORCE_INLINE uint16_t B_SWAP16(uint16_t s) { return (s >> 8) | (s << 8); }

FORCE_INLINE uint32_t B_SWAP32(uint32_t l)

{

    return ((l >> 8) & 0xff00) | ((l & 0xff00) << 8) | (l << 24) | (l >> 24);

}

FORCE_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

FORCE_INLINE void B_BUF16(uint8_t *buf, uint16_t x)

{

    buf[0] = (x & 0x00FF);

    buf[1] = (x & 0xFF00) >> 8;

}

FORCE_INLINE void B_BUF32(uint8_t *buf, uint32_t x)

{

    buf[0] = (x & 0x000000FF);

    buf[1] = (x & 0x0000FF00) >> 8;

    buf[2] = (x & 0x00FF0000) >> 16;

    buf[3] = (x & 0xFF000000) >> 24;

}

#if 0

// i686-apple-darwin11-llvm-gcc-4.2 complains "integer constant is too large for 'long' type"

FORCE_INLINE void B_BUF64(uint8_t *buf, uint64_t x)

{

    buf[0] = (x & 0x00000000000000FF);

    buf[1] = (x & 0x000000000000FF00) >> 8;

    buf[2] = (x & 0x0000000000FF0000) >> 16;

    buf[3] = (x & 0x00000000FF000000) >> 24;

    buf[4] = (x & 0x000000FF00000000) >> 32;

    buf[5] = (x & 0x0000FF0000000000) >> 40;

    buf[6] = (x & 0x00FF000000000000) >> 48;

    buf[7] = (x & 0xFF00000000000000) >> 56;

}

#endif

FORCE_INLINE uint16_t B_UNBUF16(const uint8_t *buf) { return (buf[1] << 8) | (buf[0]); }

FORCE_INLINE uint32_t B_UNBUF32(const uint8_t *buf)

{

    return (buf[3] << 24) | (buf[2] << 16) | (buf[1] << 8) | (buf[0]);

}

FORCE_INLINE uint64_t B_UNBUF64(const uint8_t *buf)

{

    return ((uint64_t)buf[7] << 56) | ((uint64_t)buf[6] << 48) | ((uint64_t)buf[5] << 40) |

        ((uint64_t)buf[4] << 32) | (buf[3] << 24) | (buf[2] << 16) | (buf[1] << 8) | (buf[0]);

}

#if defined BITNESS64 && (defined __SSE2__ || defined _MSC_VER)

#include <emmintrin.h>

FORCE_INLINE int32_t Blrintf(const float x)

{

    __m128 xx = _mm_load_ss(&x);

    return _mm_cvtss_si32(xx);

}

#elif defined (_MSC_VER)

FORCE_INLINE int32_t Blrintf(const float x)

{

    int n;

    __asm fld x;

    __asm fistp n;

    return n;

}

#else

#include <math.h>

#define Blrintf lrintf

#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

# ifdef __ANDROID__

#  define BS_IWRITE S_IWUSR

#  define BS_IREAD  S_IRUSR

# else

#  define BS_IWRITE S_IWRITE

#  define BS_IREAD  S_IREAD

# endif

# 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

# define CLAMP_DECL FORCE_INLINE __attribute__((warn_unused_result))

#else

# define CLAMP_DECL FORCE_INLINE

#endif

// Clamp <in> to [<min>..<max>]. The case in <= min is handled first.

CLAMP_DECL int32_t clamp(int32_t in, int32_t min, int32_t max) { return in <= min ? min : (in >= max ? max : in); }

// Clamp <in> to [<min>..<max>]. The case in >= max is handled first.

CLAMP_DECL int32_t clamp2(int32_t in, int32_t min, int32_t max) { return in >= max ? max : (in <= min ? min : in); }

// Clamp <in> to [<min>..<max>]. The case in <= min is handled first.

CLAMP_DECL float fclamp(float in, float min, float max) { return in <= min ? min : (in >= max ? max : in); }

// Clamp <in> to [<min>..<max>]. The case in >= max is handled first.

CLAMP_DECL float fclamp2(float in, float min, float max) { return in >= max ? max : (in <= min ? min : in); }

#define BMAX_PATH 256

/* Static assertions, based on source found in LuaJIT's src/lj_def.h. */

#define EDUKE32_ASSERT_NAME2(name, line) name ## line

#define EDUKE32_ASSERT_NAME(line) EDUKE32_ASSERT_NAME2(eduke32_assert_, line)

#ifdef __COUNTER__

# define EDUKE32_STATIC_ASSERT(cond) \

    extern void EDUKE32_ASSERT_NAME(__COUNTER__)(int STATIC_ASSERTION_FAILED[(cond)?1:-1])

#else

# define EDUKE32_STATIC_ASSERT(cond) \

    extern void EDUKE32_ASSERT_NAME(__LINE__)(int STATIC_ASSERTION_FAILED[(cond)?1:-1])

#endif

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 _MSC_VER

typedef intptr_t ssize_t;

#endif

#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

typedef struct {

    int32_t x, y;

} vec2_t;

typedef struct {

    int32_t x, y, z;

} vec3_t;

typedef struct {

    float x, y;

} vec2f_t;

typedef struct {

    union { float x; float d; };

    union { float y; float u; };

    union { float z; float v; };

} vec3f_t;

EDUKE32_STATIC_ASSERT(sizeof(vec3f_t) == sizeof(float) * 3);

typedef struct {

    union { double x; double d; };

    union { double y; double u; };

    union { double z; double v; };

} vec3d_t;

EDUKE32_STATIC_ASSERT(sizeof(vec3d_t) == sizeof(double) * 3);

#if RAND_MAX == 32767

FORCE_INLINE uint16_t system_15bit_rand(void) { return (uint16_t)rand(); }

#else  // RAND_MAX > 32767, assumed to be of the form 2^k - 1

FORCE_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

# define Bmalloc malloc

# define Bcalloc calloc

# define Brealloc realloc

# define Bfree free

# if defined(__cplusplus) && defined(_MSC_VER)

#  define Bstrdup _strdup

#  define Bchdir _chdir

#  define Bgetcwd _getcwd

# else

#  define Bstrdup strdup

#  define Bchdir chdir

#  define Bgetcwd getcwd

# 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

# ifdef _MSC_VER

#  define Bstat stat

#  define Bfstat fstat

# else

#  define Bstat stat

#  define Bfstat fstat

# endif

# define Bfileno fileno

# define Bferror ferror

# define Bfopen fopen

# define Bfclose fclose

# define Bfflush fflush

# 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

# elif defined(__QNX__)

#  define Bstrcasecmp stricmp

#  define Bstrncasecmp strnicmp

# else

#  define Bstrcasecmp strcasecmp

#  define Bstrncasecmp strncasecmp

# 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 Bislower islower

# define Bisupper isupper

# define Bisdigit isdigit

# 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 Bgetenv getenv

# define Btime() time(NULL)

# define Butime utime

#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 *Bgetappdir(void);

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, int chop);

char *Bstrtolower(char *str);

#define Bwildmatch wildmatch

#if !defined(_WIN32)

char *Bstrlwr(char *);

char *Bstrupr(char *);

#endif

// Copy min(strlen(src)+1, n) characters into dst, always terminate with a NUL.

FORCE_INLINE char *Bstrncpyz(char *dst, const char *src, bsize_t n)

{

    Bstrncpy(dst, src, n);

    dst[n-1] = 0;

    return dst;

}

// Append extension when <outbuf> contains no dot.

// <ext> can be like ".mhk" or like "_crash.map", no need to start with a dot.

// The ugly name is deliberate: we should be checking the sizes of all buffers!

static inline void append_ext_UNSAFE(char *outbuf, const char *ext)