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Diffstat (limited to 'winsup/mingw/include/io.h')
| -rw-r--r-- | winsup/mingw/include/io.h | 258 |
1 files changed, 258 insertions, 0 deletions
diff --git a/winsup/mingw/include/io.h b/winsup/mingw/include/io.h new file mode 100644 index 000000000..e30f8687e --- /dev/null +++ b/winsup/mingw/include/io.h @@ -0,0 +1,258 @@ +/* + * 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. + * + * $Revision$ + * $Author$ + * $Date$ + * + */ + +#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*, struct _finddata_t*); +int _findnext (int, struct _finddata_t*); +int _findclose (int); + +int _chdir (const char*); +char* _getcwd (char*, int); +int _mkdir (const char*); +char* _mktemp (char*); +int _rmdir (const char*); + + +#ifndef _NO_OLDNAMES + +#ifndef _UWIN +int chdir (const char*); +char* getcwd (char*, int); +int mkdir (const char*); +char* mktemp (char*); +int rmdir (const char*); +#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*, int); +int _chsize (int, long); +int _close (int); + +/* NOTE: The only significant bit in unPermissions appears to be bit 7 (0x80), + * the "owner write permission" bit (on FAT). */ +int _creat (const char*, unsigned); + +int _dup (int); +int _dup2 (int, int); +long _filelength (int); +int _fileno (FILE*); +long _get_osfhandle (int); +int _isatty (int); + +/* 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); +#endif + +/* LK_... locking commands defined in sys/locking.h. */ +int _locking (int, int, long); + +long _lseek (int, long, int); + +/* Optional third argument is unsigned unPermissions. */ +int _open (const char*, int, ...); + +int _open_osfhandle (long, int); +int _pipe (int *, unsigned int, int); +int _read (int, void*, unsigned int); + +/* SH_... flags for nShFlags defined in share.h + * Optional fourth argument is unsigned unPermissions */ +int _sopen (const char*, int, int, ...); + +long _tell (int); +/* Should umask be in sys/stat.h and/or sys/types.h instead? */ +int _umask (int); +int _unlink (const char*); +int _write (int, const void*, unsigned int); + +/* 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*, int); +int chsize (int, long ); +int close (int); +int creat (const char*, int); +int dup (int); +int dup2 (int, int); +int eof (int); +long filelength (int); +int fileno (FILE*); +int isatty (int); +long lseek (int, long, int); +int open (const char*, int, ...); +int read (int, void*, unsigned int); +int sopen (const char*, int, int, ...); +long tell (int); +int umask (int); +int unlink (const char*); +int write (int, const void*, unsigned int); +#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 */ + |