reactos/include/crtdll/fcntl.h

   1 /*
   2  * fcntl.h
   3  *
   4  * Access constants for _open. Note that the permissions constants are
   5  * in sys/stat.h (ick).
   6  *
   7  * This code is part of the Mingw32 package.
   8  *
   9  * Contributors:
  10  *  Created by Colin Peters <colin@bird.fu.is.saga-u.ac.jp>
  11  *
  12  *  THIS SOFTWARE IS NOT COPYRIGHTED
  13  *
  14  *  This source code is offered for use in the public domain. You may
  15  *  use, modify or distribute it freely.
  16  *
  17  *  This code is distributed in the hope that it will be useful but
  18  *  WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESS OR IMPLIED ARE HEREBY
  19  *  DISCLAMED. This includes but is not limited to warranties of
  20  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  21  *
  22  * $Revision: 1.4 $
  23  * $Author: ekohl $
  24  * $Date: 2001/06/15 18:32:25 $
  25  *
  26  */
  27 /* Appropriated for Reactos Crtdll by Ariadne */
  28 /* added _O_RANDOM_O_SEQUENTIAL _O_SHORT_LIVED*/
  29 /* changed fmode_dll */
  30
  31 #ifndef _FCNTL_H_
  32 #define _FCNTL_H_
  33
  34 /*
  35  * It appears that fcntl.h should include io.h for compatibility...
  36  */
  37 #include <crtdll/io.h>
  38
  39 /*
  40  * This variable determines the default file mode.
  41  * TODO: Which flags work?
  42  */
  43 #if 0
  44 #if __MSVCRT__
  45 extern unsigned int* __imp__fmode;
  46 #define _fmode  (*__imp__fmode)
  47 #else
  48 /* CRTDLL */
  49 extern unsigned int* _fmode_dll;
  50 #define _fmode  (*_fmode_dll)
  51 #endif
  52 #endif /* 0 */
  53
  54 /*
  55  * NOTE: This is the correct definition to build crtdll.
  56  *       It is NOT valid outside of crtdll.
  57  */
  58 extern unsigned int* _fmode_dll;
  59 extern unsigned int _fmode;
  60
  61
  62 /* Specifiy one of these flags to define the access mode. */
  63 #define _O_RDONLY       0
  64 #define _O_WRONLY       1
  65 #define _O_RDWR         2
  66
  67 /* Mask for access mode bits in the _open flags. */
  68 #define _O_ACCMODE      (O_RDONLY|O_WRONLY|O_RDWR)
  69
  70 #define _O_APPEND       0x0008  /* Writes will add to the end of the file. */
  71 #define _O_CREAT        0x0100  /* Create the file if it does not exist. */
  72 #define _O_TRUNC        0x0200  /* Truncate the file if it does exist. */
  73 #define _O_EXCL         0x0400  /* Open only if the file does not exist. */
  74
  75 /* NOTE: Text is the default even if the given _O_TEXT bit is not on. */
  76 #define _O_TEXT         0x4000  /* CR-LF in file becomes LF in memory. */
  77 #define _O_BINARY       0x8000  /* Input and output is not translated. */
  78 #define _O_RAW          _O_BINARY
  79
  80 #define _O_TEMPORARY    0x0040  /* Make the file dissappear after closing.
  81                                  * WARNING: Even if not created by _open! */
  82
  83
  84 #define _O_RANDOM       0x0010
  85 #define _O_SEQUENTIAL   _O_RANDOM
  86 #define _O_SHORT_LIVED  0x1000
  87
  88 #ifndef __STRICT_ANSI__
  89 #ifndef _NO_OLDNAMES
  90
  91 /* POSIX/Non-ANSI names for increased portability */
  92 #define O_RDONLY        _O_RDONLY
  93 #define O_WRONLY        _O_WRONLY
  94 #define O_RDWR          _O_RDWR
  95 #define O_ACCMODE       _O_ACCMODE
  96 #define O_APPEND        _O_APPEND
  97 #define O_CREAT         _O_CREAT
  98 #define O_TRUNC         _O_TRUNC
  99 #define O_EXCL          _O_EXCL
 100 #define O_TEXT          _O_TEXT
 101 #define O_BINARY        _O_BINARY
 102 #define O_TEMPORARY     _O_TEMPORARY
 103
 104 #define O_RANDOM        _O_RANDOM
 105 #define O_SEQUENTIAL    _O_RANDOM
 106 #define O_SHORT_LIVED   _O_SHORT_LIVED
 107
 108 #endif  /* Not _NO_OLDNAMES */
 109
 110 #ifdef  __cplusplus
 111 extern "C" {
 112 #endif
 113
 114 int     _setmode (int nHandle, int nAccessMode);
 115
 116 #ifndef _NO_OLDNAMES
 117 int     setmode (int nHandle, int nAccessMode);
 118 #endif  /* Not _NO_OLDNAMES */
 119
 120 #ifdef  __cplusplus
 121 }
 122 #endif
 123
 124 #endif  /* Not __STRICT_ANSI__ */
 125 #endif  /* Not _FCNTL_H_ */