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