/* * stdlib.h * * Definitions for common types, variables, and functions. * * This file is part of the Mingw32 package. * * Contributors: * Created by Colin Peters * * THIS SOFTWARE IS NOT COPYRIGHTED * * This source code is offered for use in the public domain. You may * use, modify or distribute it freely. * * This code is distributed in the hope that it will be useful but * WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESS OR IMPLIED ARE HEREBY * DISCLAIMED. This includes but is not limited to warranties of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. * * $Revision$ * $Author$ * $Date$ * */ #ifndef _STDLIB_H_ #define _STDLIB_H_ /* All the headers include this file. */ #include <_mingw.h> #define __need_size_t #define __need_wchar_t #define __need_NULL #ifndef RC_INVOKED #include #endif /* RC_INVOKED */ /* * RAND_MAX is the maximum value that may be returned by rand. * The minimum is zero. */ #define RAND_MAX 0x7FFF /* * These values may be used as exit status codes. */ #define EXIT_SUCCESS 0 #define EXIT_FAILURE 1 /* * Definitions for path name functions. * NOTE: All of these values have simply been chosen to be conservatively high. * Remember that with long file names we can no longer depend on * extensions being short. */ #ifndef __STRICT_ANSI__ #ifndef MAX_PATH #define MAX_PATH (260) #endif #define _MAX_PATH MAX_PATH #define _MAX_DRIVE (3) #define _MAX_DIR 256 #define _MAX_FNAME 256 #define _MAX_EXT 256 #endif /* Not __STRICT_ANSI__ */ #ifndef RC_INVOKED #ifdef __cplusplus extern "C" { #endif /* * This seems like a convenient place to declare these variables, which * give programs using WinMain (or main for that matter) access to main-ish * argc and argv. environ is a pointer to a table of environment variables. * NOTE: Strings in _argv and environ are ANSI strings. */ extern int _argc; extern char** _argv; /* imports from runtime dll of the above variables */ #ifdef __MSVCRT__ extern int* __p___argc(void); extern char*** __p___argv(void); extern wchar_t*** __p___wargv(void); #define __argc (*__p___argc()) #define __argv (*__p___argv()) #define __wargv (*__p___wargv()) #else /* !MSVCRT */ #ifndef __DECLSPEC_SUPPORTED extern int* _imp____argc_dll; extern char*** _imp____argv_dll; #define __argc (*_imp____argc_dll) #define __argv (*_imp____argv_dll) #else /* __DECLSPEC_SUPPORTED */ __MINGW_IMPORT int __argc_dll; __MINGW_IMPORT char** __argv_dll; #define __argc __argc_dll #define __argv __argv_dll #endif /* __DECLSPEC_SUPPORTED */ #endif /* __MSVCRT */ /* * Also defined in ctype.h. */ #ifndef MB_CUR_MAX #ifdef __DECLSPEC_SUPPORTED # ifdef __MSVCRT__ # define MB_CUR_MAX __mb_cur_max __MINGW_IMPORT int __mb_cur_max; # else /* not __MSVCRT */ # define MB_CUR_MAX __mb_cur_max_dll __MINGW_IMPORT int __mb_cur_max_dll; # endif /* not __MSVCRT */ #else /* ! __DECLSPEC_SUPPORTED */ # ifdef __MSVCRT__ extern int* _imp____mbcur_max; # define MB_CUR_MAX (*_imp____mb_cur_max) # else /* not __MSVCRT */ extern int* _imp____mbcur_max_dll; # define MB_CUR_MAX (*_imp____mb_cur_max_dll) # endif /* not __MSVCRT */ #endif /* __DECLSPEC_SUPPORTED */ #endif /* MB_CUR_MAX */ /* * MS likes to declare errno in stdlib.h as well. */ #ifdef _UWIN #undef errno extern int errno; #else int* _errno(void); #define errno (*_errno()) #endif int* __doserrno(void); #define _doserrno (*__doserrno()) /* * Use environ from the DLL, not as a global. */ #ifdef __MSVCRT__ extern char *** __p__environ(void); extern wchar_t *** __p__wenviron(void); # define _environ (*__p__environ()) # define _wenviron (*__p__wenviron()) #else /* ! __MSVCRT__ */ # ifndef __DECLSPEC_SUPPORTED extern char *** _imp___environ_dll; # define _environ (*_imp___environ_dll) # else /* __DECLSPEC_SUPPORTED */ __MINGW_IMPORT char ** _environ_dll; # define _environ _environ_dll # endif /* __DECLSPEC_SUPPORTED */ #endif /* ! __MSVCRT__ */ #define environ _environ #ifdef __MSVCRT__ /* One of the MSVCRTxx libraries */ #ifndef __DECLSPEC_SUPPORTED extern int* _imp___sys_nerr; # define sys_nerr (*_imp___sys_nerr) #else /* __DECLSPEC_SUPPORTED */ __MINGW_IMPORT int _sys_nerr; # ifndef _UWIN # define sys_nerr _sys_nerr # endif /* _UWIN */ #endif /* __DECLSPEC_SUPPORTED */ #else /* ! __MSVCRT__ */ /* CRTDLL run time library */ #ifndef __DECLSPEC_SUPPORTED extern int* _imp___sys_nerr_dll; # define sys_nerr (*_imp___sys_nerr_dll) #else /* __DECLSPEC_SUPPORTED */ __MINGW_IMPORT int _sys_nerr_dll; # define sys_nerr _sys_nerr_dll #endif /* __DECLSPEC_SUPPORTED */ #endif /* ! __MSVCRT__ */ #ifndef __DECLSPEC_SUPPORTED extern char*** _imp__sys_errlist; #define sys_errlist (*_imp___sys_errlist) #else /* __DECLSPEC_SUPPORTED */ __MINGW_IMPORT char* _sys_errlist[]; #ifndef _UWIN #define sys_errlist _sys_errlist #endif /* _UWIN */ #endif /* __DECLSPEC_SUPPORTED */ /* * OS version and such constants. */ #ifndef __STRICT_ANSI__ #ifdef __MSVCRT__ /* msvcrtxx.dll */ extern unsigned int* __p__osver(void); extern unsigned int* __p__winver(void); extern unsigned int* __p__winmajor(void); extern unsigned int* __p__winminor(void); #define _osver (*__p__osver()) #define _winver (*__p__winver()) #define _winmajor (*__p__winmajor()) #define _winminor (*__p__winminor()) #else /* Not msvcrtxx.dll, thus crtdll.dll */ #ifndef __DECLSPEC_SUPPORTED extern unsigned int* _imp___osver_dll; extern unsigned int* _imp___winver_dll; extern unsigned int* _imp___winmajor_dll; extern unsigned int* _imp___winminor_dll; #define _osver (*_imp___osver_dll) #define _winver (*_imp___winver_dll) #define _winmajor (*_imp___winmajor_dll) #define _winminor (*_imp___winminor_dll) #else /* __DECLSPEC_SUPPORTED */ __MINGW_IMPORT unsigned int _osver_dll; __MINGW_IMPORT unsigned int _winver_dll; __MINGW_IMPORT unsigned int _winmajor_dll; __MINGW_IMPORT unsigned int _winminor_dll; #define _osver _osver_dll #define _winver _winver_dll #define _winmajor _winmajor_dll #define _winminor _winminor_dll #endif /* __DECLSPEC_SUPPORTED */ #endif #if defined __MSVCRT__ /* although the _pgmptr is exported as DATA, * be safe and use the access function __p__pgmptr() to get it. */ char** __p__pgmptr(void); #define _pgmptr (*__p__pgmptr()) wchar_t** __p__wpgmptr(void); #define _wpgmptr (*__p__wpgmptr()) #else /* ! __MSVCRT__ */ # ifndef __DECLSPEC_SUPPORTED extern char** __imp__pgmptr_dll; # define _pgmptr (*_imp___pgmptr_dll) # else /* __DECLSPEC_SUPPORTED */ __MINGW_IMPORT char* _pgmptr_dll; # define _pgmptr _pgmptr_dll # endif /* __DECLSPEC_SUPPORTED */ /* no wide version in CRTDLL */ #endif /* __MSVCRT__ */ /* * This variable determines the default file mode. * TODO: Which flags work? */ #if !defined (__DECLSPEC_SUPPORTED) || defined (__IN_MINGW_RUNTIME) #ifdef __MSVCRT__ extern int* _imp___fmode; #define _fmode (*_imp___fmode) #else /* CRTDLL */ extern int* _imp___fmode_dll; #define _fmode (*_imp___fmode_dll) #endif #else /* __DECLSPEC_SUPPORTED */ #ifdef __MSVCRT__ __MINGW_IMPORT int _fmode; #else /* ! __MSVCRT__ */ __MINGW_IMPORT int _fmode_dll; #define _fmode _fmode_dll #endif /* ! __MSVCRT__ */ #endif /* __DECLSPEC_SUPPORTED */ #endif /* Not __STRICT_ANSI__ */ #ifdef __GNUC__ #define _ATTRIB_NORETURN __attribute__ ((noreturn)) #else /* Not __GNUC__ */ #define _ATTRIB_NORETURN #endif /* __GNUC__ */ double atof (const char*); int atoi (const char*); long atol (const char*); int _wtoi (const wchar_t *); long _wtol (const wchar_t *); double strtod (const char*, char**); #if !defined __NO_ISOCEXT /* extern stubs in static libmingwex.a */ extern __inline__ float strtof (const char *nptr, char **endptr) { return (strtod (nptr, endptr));} long double strtold (const char * __restrict__, char ** __restrict__); #endif /* __NO_ISOCEXT */ long strtol (const char*, char**, int); unsigned long strtoul (const char*, char**, int); #ifndef _WSTDLIB_DEFINED /* also declared in wchar.h */ double wcstod (const wchar_t*, wchar_t**); #if !defined __NO_ISOCEXT /* extern stub in static libmingwex.a */ extern __inline__ float wcstof( const wchar_t *nptr, wchar_t **endptr) { return (wcstod(nptr, endptr)); } long double wcstold (const wchar_t * __restrict__, wchar_t ** __restrict__); #endif /* __NO_ISOCEXT */ long wcstol (const wchar_t*, wchar_t**, int); unsigned long wcstoul (const wchar_t*, wchar_t**, int); #define _WSTDLIB_DEFINED #endif size_t wcstombs (char*, const wchar_t*, size_t); int wctomb (char*, wchar_t); int mblen (const char*, size_t); size_t mbstowcs (wchar_t*, const char*, size_t); int mbtowc (wchar_t*, const char*, size_t); int rand (void); void srand (unsigned int); void* calloc (size_t, size_t); void* malloc (size_t); void* realloc (void*, size_t); void free (void*); void abort (void) _ATTRIB_NORETURN; void exit (int) _ATTRIB_NORETURN; int atexit (void (*)(void)); int system (const char*); char* getenv (const char*); void* bsearch (const void*, const void*, size_t, size_t, int (*)(const void*, const void*)); void qsort (const void*, size_t, size_t, int (*)(const void*, const void*)); int abs (int); long labs (long); /* * div_t and ldiv_t are structures used to return the results of div and * ldiv. * * NOTE: div and ldiv appear not to work correctly unless * -fno-pcc-struct-return is specified. This is included in the * mingw32 specs file. */ typedef struct { int quot, rem; } div_t; typedef struct { long quot, rem; } ldiv_t; div_t div (int, int); ldiv_t ldiv (long, long); #ifndef __STRICT_ANSI__ /* * NOTE: Officially the three following functions are obsolete. The Win32 API * functions SetErrorMode, Beep and Sleep are their replacements. */ void _beep (unsigned int, unsigned int); void _seterrormode (int); void _sleep (unsigned long); void _exit (int) _ATTRIB_NORETURN; #if !defined __NO_ISOCEXT /* extern stub in static libmingwex.a */ /* C99 function name */ void _Exit(int) _ATTRIB_NORETURN; /* Declare to get noreturn attribute. */ extern __inline__ void _Exit(int status) { _exit(status); } #endif /* _onexit is MS extension. Use atexit for portability. */ typedef int (* _onexit_t)(void); _onexit_t _onexit( _onexit_t ); int _putenv (const char*); void _searchenv (const char*, const char*, char*); char* _ecvt (double, int, int*, int*); char* _fcvt (double, int, int*, int*); char* _gcvt (double, int, char*); void _makepath (char*, const char*, const char*, const char*, const char*); void _splitpath (const char*, char*, char*, char*, char*); char* _fullpath (char*, const char*, size_t); char* _itoa (int, char*, int); char* _ltoa (long, char*, int); char* _ultoa(unsigned long, char*, int); wchar_t* _itow (int, wchar_t*, int); wchar_t* _ltow (long, wchar_t*, int); wchar_t* _ultow (unsigned long, wchar_t*, int); #ifdef __MSVCRT__ __int64 _atoi64(const char *); char* _i64toa(__int64, char *, int); char* _ui64toa(unsigned __int64, char *, int); __int64 _wtoi64(const wchar_t *); wchar_t* _i64tow(__int64, wchar_t *, int); wchar_t* _ui64tow(unsigned __int64, wchar_t *, int); wchar_t* _wgetenv(const wchar_t*); int _wputenv(const wchar_t*); void _wsearchenv(const wchar_t*, const wchar_t*, wchar_t*); void _wmakepath(wchar_t*, const wchar_t*, const wchar_t*, const wchar_t*, const wchar_t*); void _wsplitpath (const wchar_t*, wchar_t*, wchar_t*, wchar_t*, wchar_t*); wchar_t* _wfullpath (wchar_t*, const wchar_t*, size_t); unsigned int _rotl(unsigned int, int); unsigned int _rotr(unsigned int, int); unsigned long _lrotl(unsigned long, int); unsigned long _lrotr(unsigned long, int); #endif #ifndef _NO_OLDNAMES int putenv (const char*); void searchenv (const char*, const char*, char*); char* itoa (int, char*, int); char* ltoa (long, char*, int); #ifndef _UWIN char* ecvt (double, int, int*, int*); char* fcvt (double, int, int*, int*); char* gcvt (double, int, char*); #endif /* _UWIN */ #endif /* Not _NO_OLDNAMES */ #endif /* Not __STRICT_ANSI__ */ /* C99 names */ #if !defined __NO_ISOCEXT /* externs in static libmingwex.a */ typedef struct { long long quot, rem; } lldiv_t; lldiv_t lldiv (long long, long long); extern __inline__ long long llabs(long long _j) {return (_j >= 0 ? _j : -_j);} long long strtoll (const char* __restrict__, char** __restrict, int); unsigned long long strtoull (const char* __restrict__, char** __restrict__, int); #if defined (__MSVCRT__) /* these are stubs for MS _i64 versions */ long long atoll (const char *); #if !defined (__STRICT_ANSI__) long long wtoll(const wchar_t *); char* lltoa(long long, char *, int); char* ulltoa(unsigned long long , char *, int); wchar_t* lltow(long long, wchar_t *, int); wchar_t* ulltow(unsigned long long, wchar_t *, int); /* inline using non-ansi functions */ extern __inline__ long long atoll (const char * _c) { return _atoi64 (_c); } extern __inline__ char* lltoa(long long _n, char * _c, int _i) { return _i64toa (_n, _c, _i); } extern __inline__ char* ulltoa(unsigned long long _n, char * _c, int _i) { return _ui64toa (_n, _c, _i); } extern __inline__ long long wtoll(const wchar_t * _w) { return _wtoi64 (_w); } extern __inline__ wchar_t* lltow(long long _n, wchar_t * _w, int _i) { return _i64tow (_n, _w, _i); } extern __inline__ wchar_t* ulltow(unsigned long long _n, wchar_t * _w, int _i) { return _ui64tow (_n, _w, _i); } #endif /* (__STRICT_ANSI__) */ #endif /* __MSVCRT__ */ #endif /* !__NO_ISOCEXT */ /* * Undefine the no return attribute used in some function definitions */ #undef _ATTRIB_NORETURN #ifdef __cplusplus } #endif #endif /* Not RC_INVOKED */ #endif /* Not _STDLIB_H_ */