387 lines
8.9 KiB
C
387 lines
8.9 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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* DISCLAMED. 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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#ifndef MB_CUR_MAX
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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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#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();
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extern wchar_t *** __p__wenviron();
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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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#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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double strtod (const char*, char**);
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double wcstod (const wchar_t*, wchar_t**);
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long strtol (const char*, char**, int);
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long wcstol (const wchar_t*, wchar_t**, int);
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unsigned long strtoul (const char*, char**, int);
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unsigned long wcstoul (const wchar_t*, wchar_t**, int);
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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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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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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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int _wtoi (const wchar_t *);
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long _wtol (const wchar_t *);
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char* _i64toa(__int64, char *, int);
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char* _ui64toa(unsigned __int64, char *, int);
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__int64 _atoi64(const char *);
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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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__int64 _wtoi64(const wchar_t *);
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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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/*
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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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