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- /*
- * io.h
- *
- * System level I/O functions and types.
- *
- * This file is part of the Mingw32 package.
- *
- * Contributors:
- * Created by Colin Peters <colin@bird.fu.is.saga-u.ac.jp>
- *
- * 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
- * DISCLAMED. This includes but is not limited to warranties of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
- *
- * $Revision: 1.4 $
- * $Author: khan $
- * $Date: 1999/07/16 01:59:23 $
- *
- */
-
- #ifndef __STRICT_ANSI__
-
- #ifndef _IO_H_
- #define _IO_H_
-
- /* All the headers include this file. */
- #include <_mingw.h>
-
- /* We need the definition of FILE anyway... */
- #include <stdio.h>
-
- /* MSVC's io.h contains the stuff from dir.h, so I will too.
- * NOTE: This also defines off_t, the file offset type, through
- * an inclusion of sys/types.h */
- #ifndef __STRICT_ANSI__
-
- #include <sys/types.h> /* To get time_t. */
-
- /*
- * Attributes of files as returned by _findfirst et al.
- */
- #define _A_NORMAL 0x00000000
- #define _A_RDONLY 0x00000001
- #define _A_HIDDEN 0x00000002
- #define _A_SYSTEM 0x00000004
- #define _A_VOLID 0x00000008
- #define _A_SUBDIR 0x00000010
- #define _A_ARCH 0x00000020
-
-
- #ifndef RC_INVOKED
-
- #ifndef _FSIZE_T_DEFINED
- typedef unsigned long _fsize_t;
- #define _FSIZE_T_DEFINED
- #endif
-
- /*
- * The following structure is filled in by _findfirst or _findnext when
- * they succeed in finding a match.
- */
- struct _finddata_t
- {
- unsigned attrib; /* Attributes, see constants above. */
- time_t time_create;
- time_t time_access; /* always midnight local time */
- time_t time_write;
- _fsize_t size;
- char name[FILENAME_MAX]; /* may include spaces. */
- };
-
- #ifndef _WFINDDATA_T_DEFINED
- struct _wfinddata_t {
- unsigned attrib;
- time_t time_create; /* -1 for FAT file systems */
- time_t time_access; /* -1 for FAT file systems */
- time_t time_write;
- _fsize_t size;
- wchar_t name[FILENAME_MAX]; /* may include spaces. */
- };
- #define _WFINDDATA_T_DEFINED
- #endif
-
- #ifdef __cplusplus
- extern "C" {
- #endif
-
- /*
- * Functions for searching for files. _findfirst returns -1 if no match
- * is found. Otherwise it returns a handle to be used in _findnext and
- * _findclose calls. _findnext also returns -1 if no match could be found,
- * and 0 if a match was found. Call _findclose when you are finished.
- */
- int _findfirst (const char* szFilespec, struct _finddata_t* find);
- int _findnext (int nHandle, struct _finddata_t* find);
- int _findclose (int nHandle);
-
- int _chdir (const char* szPath);
- char* _getcwd (char* caBuffer, int nBufferSize);
- int _mkdir (const char* szPath);
- char* _mktemp (char* szTemplate);
- int _rmdir (const char* szPath);
-
-
- #ifndef _NO_OLDNAMES
-
- #ifndef _UWIN
- int chdir (const char* szPath);
- char* getcwd (char* caBuffer, int nBufferSize);
- int mkdir (const char* szPath);
- char* mktemp (char* szTemplate);
- int rmdir (const char* szPath);
- #endif /* _UWIN */
-
- #endif /* Not _NO_OLDNAMES */
-
- #ifdef __cplusplus
- }
- #endif
-
- #endif /* Not RC_INVOKED */
-
- #endif /* Not __STRICT_ANSI__ */
-
- /* TODO: Maximum number of open handles has not been tested, I just set
- * it the same as FOPEN_MAX. */
- #define HANDLE_MAX FOPEN_MAX
-
-
- /* Some defines for _access nAccessMode (MS doesn't define them, but
- * it doesn't seem to hurt to add them). */
- #define F_OK 0 /* Check for file existence */
- #define X_OK 1 /* Check for execute permission. */
- #define W_OK 2 /* Check for write permission */
- #define R_OK 4 /* Check for read permission */
-
- #ifndef RC_INVOKED
-
- #ifdef __cplusplus
- extern "C" {
- #endif
-
- int _access (const char* szFileName, int nAccessMode);
- int _chsize (int nHandle, long lnNewSize);
- int _close (int nHandle);
-
- /* NOTE: The only significant bit in unPermissions appears to be bit 7 (0x80),
- * the "owner write permission" bit (on FAT). */
- int _creat (const char* szFileName, unsigned unPermissions);
-
- int _dup (int nHandle);
- int _dup2 (int nOldHandle, int nNewHandle);
- long _filelength (int nHandle);
- int _fileno (FILE* fileGetHandle);
- long _get_osfhandle (int nHandle);
- int _isatty (int nHandle);
-
- /* In a very odd turn of events this function is excluded from those
- * files which define _STREAM_COMPAT. This is required in order to
- * build GNU libio because of a conflict with _eof in streambuf.h
- * line 107. Actually I might just be able to change the name of
- * the enum member in streambuf.h... we'll see. TODO */
- #ifndef _STREAM_COMPAT
- int _eof (int nHandle);
- #endif
-
- /* LK_... locking commands defined in sys/locking.h. */
- int _locking (int nHandle, int nCmd, long lnLockRegionLength);
-
- long _lseek (int nHandle, long lnOffset, int nOrigin);
-
- /* Optional third argument is unsigned unPermissions. */
- int _open (const char* szFileName, int nFlags, ...);
-
- int _open_osfhandle (long lnOSHandle, int nFlags);
- int _pipe (int *naHandles, unsigned int unSize, int nMode);
- int _read (int nHandle, void* caBuffer, unsigned int nToRead);
-
- /* SH_... flags for nShFlags defined in share.h
- * Optional fourth argument is unsigned unPermissions */
- int _sopen (const char* szFileName, int nFlags, int nShFlags, ...);
-
- long _tell (int nHandle);
- /* Should umask be in sys/stat.h and/or sys/types.h instead? */
- int _umask (int nMode);
- int _unlink (const char* szFileName);
- int _write (int nHandle, const void* caBuffer,
- unsigned int unToWrite);
-
- /* Wide character versions. Also declared in wchar.h. */
- int _waccess(const wchar_t *, int);
- int _wchmod(const wchar_t *, int);
- int _wcreat(const wchar_t *, int);
- long _wfindfirst(wchar_t *, struct _wfinddata_t *);
- int _wfindnext(long, struct _wfinddata_t *);
- int _wunlink(const wchar_t *);
- int _wrename(const wchar_t *, const wchar_t *);
- int _wopen(const wchar_t *, int, ...);
- int _wsopen(const wchar_t *, int, int, ...);
- wchar_t * _wmktemp(wchar_t *);
-
-
- #ifndef _NO_OLDNAMES
- /*
- * Non-underscored versions of non-ANSI functions to improve portability.
- * These functions live in libmoldname.a.
- */
-
- #ifndef _UWIN
- int access (const char* szFileName, int nAccessMode);
- int chsize (int nHandle, long lnNewSize);
- int close (int nHandle);
- int creat (const char* szFileName, int nAccessMode);
- int dup (int nHandle);
- int dup2 (int nOldHandle, int nNewHandle);
- int eof (int nHandle);
- long filelength (int nHandle);
- int fileno (FILE* fileGetHandle);
- int isatty (int nHandle);
- long lseek (int nHandle, long lnOffset, int nOrigin);
- int open (const char* szFileName, int nFlags, ...);
- int read (int nHandle, void* caBuffer, unsigned int nToRead);
- int sopen (const char* szFileName, int nAccess, int nFlag, ...);
- long tell (int nHandle);
- int umask (int nMode);
- int unlink (const char* szFileName);
- int write (int nHandle, const void* caBuffer,
- unsigned int nToWrite);
- #endif /* _UWIN */
-
- /* Wide character versions. Also declared in wchar.h. */
- int waccess(const wchar_t *, int);
- int wchmod(const wchar_t *, int);
- int wcreat(const wchar_t *, int);
- long wfindfirst(wchar_t *, struct _wfinddata_t *);
- int wfindnext(long, struct _wfinddata_t *);
- int wunlink(const wchar_t *);
- int wrename(const wchar_t *, const wchar_t *);
- int wopen(const wchar_t *, int, ...);
- int wsopen(const wchar_t *, int, int, ...);
- wchar_t * wmktemp(wchar_t *);
-
- #endif /* Not _NO_OLDNAMES */
-
- #ifdef __cplusplus
- }
- #endif
-
- #endif /* Not RC_INVOKED */
-
- #endif /* _IO_H_ not defined */
-
- #endif /* Not strict ANSI */
-
-