// 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 # 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 #if !defined __clang__ && !defined USING_LTO # define ATTRIBUTE_OPTIMIZE(str) ATTRIBUTE((optimize(str))) #else # define ATTRIBUTE_OPTIMIZE(str) #endif #ifndef min #define min(x,y) ((x) < (y) ? (x) : (y)) #endif #ifndef max #define max(x,y) ((x) > (y) ? (x) : (y)) #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. #define __STDC_FORMAT_MACROS #define __STDC_LIMIT_MACROS #ifdef HAVE_INTTYPES # include # include // 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 // 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 EXTERNC # include # ifdef __compat_h_macrodef__ # include # include # include # include # endif #else # include # include #endif #ifdef __compat_h_macrodef__ # ifndef EXTERNC # include # include # include # include # endif # include # include # include # include # include # if defined(_WIN32) # include # else # include # endif #endif #include #ifdef EFENCE # include #elif defined DMALLOC # include #endif #if defined(_MSC_VER) #include # define longlong(x) x##i64 #if _MSC_VER < 1800 # define inline __inline 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 } } #endif #else # define longlong(x) x##ll #endif #if defined __OPENDINGUX__ //ugly hack #define nearbyintf rintf #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 # define EXTERN_INLINE_HEADER extern #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 # 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 # 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(__FreeBSD__) || defined(__NetBSD__) # include # 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 # define B_SWAP64(x) OSSwapConstInt64(x) # define B_SWAP32(x) OSSwapConstInt32(x) # define B_SWAP16(x) OSSwapConstInt16(x) #elif defined(__BEOS__) # include # 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 EXTERNC # 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 # 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 static inline __attribute__((warn_unused_result)) #else # define CLAMP_DECL static inline #endif // Clamp to [..]. 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 to [..]. 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); } #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 _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 #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 # define Bmalloc malloc # define Bcalloc calloc # define Brealloc realloc # define Bfree free # define Bstrdup strdup # define Bmemalign memalign # 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 # 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 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 Bgetcwd getcwd # 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 *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 // Copy min(strlen(src)+1, n) characters into dst, always terminate with a NUL. static inline char *Bstrncpyz(char *dst, const char *src, bsize_t n) { Bstrncpy(dst, src, n); dst[n-1] = 0; return dst; } // Append extension when contains no dot. // 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) { char *p = Bstrrchr(outbuf,'.'); if (!p) Bstrcat(outbuf, ext); else Bstrcpy(p, ext); } #ifdef EXTERNC } #endif #define MAYBE_FCLOSE_AND_NULL(fileptr) do { \ if (fileptr) { Bfclose(fileptr); fileptr=NULL; } \ } while (0) #define NOWARN(print_func, fmt, ...) do { \ print_func(fmt, ## __VA_ARGS__); \ } while (0) #define NOWARN_RETURN(print_func, var, fmt, ...) do { \ var = print_func(fmt, ## __VA_ARGS__); \ } while (0) #ifdef __cplusplus #ifndef FORCE_WARNINGS #ifdef _MSC_VER // TODO: add MSVC pragmas to disable equivalent warning, if necessary later #else #ifdef _WIN32 // MinGW's _Pragma is completely broken so our GCC NOWARN macro is useless there #pragma GCC diagnostic ignored "-Wformat" #else #undef NOWARN #undef NOWARN_RETURN #define NOWARN(print_func, fmt, ...) do { _Pragma("GCC diagnostic ignored \"-Wformat\"") \ print_func(fmt, ## __VA_ARGS__); \ _Pragma("GCC diagnostic warning \"-Wformat\"") } while (0) #define NOWARN_RETURN(print_func, var, fmt, ...) do { _Pragma("GCC diagnostic ignored \"-Wformat\"") \ var = print_func(fmt, ## __VA_ARGS__); \ _Pragma("GCC diagnostic warning \"-Wformat\"") } while (0) #endif // _WIN32 #endif // _MSC_VER #endif // FORCE_WARNINGS #endif // __cplusplus #define OSD_Printf_nowarn(fmt, ...) NOWARN(OSD_Printf, fmt, ## __VA_ARGS__) #define Bsprintf_nowarn(fmt, ...) NOWARN(Bsprintf, fmt, ## __VA_ARGS__) #define Bsprintf_nowarn_return(x, fmt, ...) NOWARN_RETURN(Bsprintf, x, fmt, ## __VA_ARGS__) #define initprintf_nowarn(fmt, ...) NOWARN(initprintf, fmt, ## __VA_ARGS__) #define message_nowarn(fmt, ...) NOWARN(message, fmt, ## __VA_ARGS__) /* 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 #define ARRAY_SIZE(Ar) (sizeof(Ar)/sizeof((Ar)[0])) #define ARRAY_SSIZE(Ar) (bssize_t)ARRAY_SIZE(Ar) #endif // __compat_h__