mirror of
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140 lines
3.9 KiB
C
140 lines
3.9 KiB
C
/*
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* io.h
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*
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* System level I/O functions and types.
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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: 1.1 $
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* $Author: ekohl $
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* $Date: 2001/07/03 12:55:00 $
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*
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*/
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/* Appropriated for Reactos Crtdll by Ariadne */
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/* added D_OK */
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/* changed get_osfhandle and open_osfhandle */
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/* added fileno as macro */
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#ifndef _IO_H_
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#define _IO_H_
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#ifndef __STRICT_ANSI__
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#include <msvcrt/sys/types.h>
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#include <msvcrt/sys/stat.h>
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/* We need the definition of FILE anyway... */
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#include <msvcrt/stdio.h>
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/* MSVC's io.h contains the stuff from dir.h, so I will too.
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* NOTE: This also defines off_t, the file offset type, through
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* and inclusion of sys/types.h */
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#include <msvcrt/dir.h>
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/* TODO: Maximum number of open handles has not been tested, I just set
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* it the same as FOPEN_MAX. */
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#define HANDLE_MAX FOPEN_MAX
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/* Some defines for _access nAccessMode (MS doesn't define them, but
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* it doesn't seem to hurt to add them). */
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#define F_OK 0 /* Check for file existence */
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#define W_OK 2 /* Check for write permission */
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#define R_OK 4 /* Check for read permission */
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/* TODO: Is this safe? X_OK not supported directly... */
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#define X_OK R_OK /* Check for execute permission */
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#define D_OK 0x10
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#ifdef __cplusplus
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extern "C" {
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#endif
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int _access (const char* szFileName, int nAccessMode);
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int _chsize (int nHandle, long lnNewSize);
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int _close (int nHandle);
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int _commit(int _fd);
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int _creat (const char* szFileName, int nAccessMode);
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int _dup (int nHandle);
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int _dup2 (int nOldHandle, int nNewHandle);
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long _filelength (int nHandle);
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int _fileno (FILE* fileGetHandle);
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void* _get_osfhandle (int nHandle);
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int _isatty (int nHandle);
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/* In a very odd turn of events this function is excluded from those
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* files which define _STREAM_COMPAT. This is required in order to
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* build GNU libio because of a conflict with _eof in streambuf.h
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* line 107. Actually I might just be able to change the name of
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* the enum member in streambuf.h... we'll see. TODO */
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#ifndef _STREAM_COMPAT
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int _eof (int nHandle);
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#endif
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/* LK_... locking commands defined in sys/locking.h. */
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int _locking (int nHandle, int nCmd, long lnLockRegionLength);
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off_t _lseek(int _fd, off_t _offset, int _whence);
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int _open (const char* szFileName, int nFlags, ...);
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int _open_osfhandle (void *lnOSHandle, int nFlags);
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int _pipe (int *naHandles, unsigned int unSize, int nMode);
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size_t _read(int _fd, void *_buf, size_t _nbyte);
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/* SH_... flags for nFlag defined in share.h */
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int _sopen (char* szFileName, int nAccess, int nFlag, int nMode);
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long _tell (int nHandle);
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unsigned _umask (unsigned unMode);
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int _unlink (const char* szFileName);
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size_t _write(int _fd, const void *_buf, size_t _nbyte);
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#ifndef _NO_OLDNAMES
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/*
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* Non-underscored versions of non-ANSI functions to improve portability.
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* These functions live in libmoldname.a.
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*/
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#define access _access
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#define chsize _chsize
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#define close _close
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#define creat _creat
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#define dup _dup
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#define dup2 _dup2
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#define eof _eof
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#define filelength _filelength
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#define fileno(f) ((f)->_file)
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#define isatty _isatty
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#define lseek _lseek
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#define open _open
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#define read _read
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#define sopen(path,access,shflag,mode) _open((path), (access)|(shflag), (mode))
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#define tell(file) _lseek(_file, 0, SEEK_CUR)
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#define umask _umask
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#define unlink _unlink
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#define write _write
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#endif /* Not _NO_OLDNAMES */
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#ifdef __cplusplus
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}
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#endif
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#endif /* Not strict ANSI */
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#endif /* _IO_H_ not defined */
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