/* * io.h * * System level I/O functions and types. * * This file is part of the Mingw32 package. * * Contributors: * Created by Colin Peters * * 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 * DISCLAIMED. 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 /* 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 /* 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. */ }; struct _finddatai64_t { unsigned attrib; time_t time_create; time_t time_access; time_t time_write; __int64 size; char name[FILENAME_MAX]; }; #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. */ }; struct _wfinddatai64_t { unsigned attrib; time_t time_create; time_t time_access; time_t time_write; __int64 size; wchar_t name[FILENAME_MAX]; }; #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*); int _chmod (const char*, int); #ifdef __MSVCRT__ __int64 _filelengthi64(int); long _findfirsti64(const char*, struct _finddatai64_t*); int _findnexti64(long, struct _finddatai64_t*); __int64 _lseeki64(int, __int64, int); __int64 _telli64(int); #endif /* __MSVCRT__ */ #ifndef _NO_OLDNAMES #ifndef _UWIN int chdir (const char*); char* getcwd (char*, int); int mkdir (const char*); char* mktemp (char*); int rmdir (const char*); int chmod (const char*, int); #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); int _commit(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*, int); 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); int _setmode (int, 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. */ /* Not in crtdll.dll */ #if !defined (_WIO_DEFINED) #if defined (__MSVCRT__) int _waccess(const wchar_t*, int); int _wchmod(const wchar_t*, int); int _wcreat(const wchar_t*, int); long _wfindfirst(const wchar_t*, struct _wfinddata_t*); int _wfindnext(long, struct _wfinddata_t *); int _wunlink(const wchar_t*); int _wopen(const wchar_t*, int, ...); int _wsopen(const wchar_t*, int, int, ...); wchar_t * _wmktemp(wchar_t*); long _wfindfirsti64(const wchar_t*, struct _wfinddatai64_t*); int _wfindnexti64(long, struct _wfinddatai64_t*); #endif /* defined (__MSVCRT__) */ #define _WIO_DEFINED #endif /* _WIO_DEFINED */ #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 setmode (int, 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. */ /* Where do these live? Not in libmoldname.a nor in libmsvcrt.a */ #if 0 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 #endif /* Not _NO_OLDNAMES */ #ifdef __cplusplus } #endif #endif /* Not RC_INVOKED */ #endif /* _IO_H_ not defined */ #endif /* Not strict ANSI */