| 1 | /* | 
 
 
 
 
 | 2 | * dos.h | 
 
 
 
 
 | 3 | * | 
 
 
 
 
 | 4 | * Functions and structures inherited from MS-DOS. | 
 
 
 
 
 | 5 | * | 
 
 
 
 
 | 6 | * $Id: dos.h,v 71af661f5309 2016/04/26 22:05:33 keithmarshall $ | 
 
 
 
 
 | 7 | * | 
 
 
 
 
 | 8 | * Written by Jan-Jaap van der Heijden | 
 
 
 
 
 | 9 | * Copyright (C) 1997-1999, 2001-2004, 2007, 2016, MinGW.org Project. | 
 
 
 
 
 | 10 | * | 
 
 
 
 
 | 11 | * | 
 
 
 
 
 | 12 | * Permission is hereby granted, free of charge, to any person obtaining a | 
 
 
 
 
 | 13 | * copy of this software and associated documentation files (the "Software"), | 
 
 
 
 
 | 14 | * to deal in the Software without restriction, including without limitation | 
 
 
 
 
 | 15 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | 
 
 
 
 
 | 16 | * and/or sell copies of the Software, and to permit persons to whom the | 
 
 
 
 
 | 17 | * Software is furnished to do so, subject to the following conditions: | 
 
 
 
 
 | 18 | * | 
 
 
 
 
 | 19 | * The above copyright notice, this permission notice, and the following | 
 
 
 
 
 | 20 | * disclaimer shall be included in all copies or substantial portions of | 
 
 
 
 
 | 21 | * the Software. | 
 
 
 
 
 | 22 | * | 
 
 
 
 
 | 23 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS | 
 
 
 
 
 | 24 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | 
 
 
 
 
 | 25 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL | 
 
 
 
 
 | 26 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | 
 
 
 
 
 | 27 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | 
 
 
 
 
 | 28 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OF OR OTHER | 
 
 
 
 
 | 29 | * DEALINGS IN THE SOFTWARE. | 
 
 
 
 
 | 30 | * | 
 
 
 
 
 | 31 | */ | 
 
 
 
 
 | 32 | #ifndef _DOS_H | 
 
 
 
 
 | 33 | #pragma GCC system_header | 
 
 
 
 
 | 34 |  | 
 
 
 
 
 | 35 | /* This header supports selective inclusion by <direct.h>, for delegated | 
 
 
 
 
 | 36 | * access to the content of <io.h>, and for declaration of the prototype | 
 
 
 
 
 | 37 | * and associated data structure for the _getdiskfree() function; since | 
 
 
 
 
 | 38 | * including <dos.h> in this manner does not make all of its content | 
 
 
 
 
 | 39 | * visible, we defer definition of its multiple inclusion guard... | 
 
 
 
 
 | 40 | */ | 
 
 
 
 
 | 41 | #ifndef __DIRECT_H_SOURCED__ | 
 
 
 
 
 | 42 | /* ...until we have determined that this inclusion is NOT a selective | 
 
 
 
 
 | 43 | * request from <direct.h>; in spite of it being obsolete, it appears | 
 
 
 
 
 | 44 | * that the user may have included <dos.h> directly. | 
 
 
 
 
 | 45 | */ | 
 
 
 
 
 | 46 | #define _DOS_H | 
 
 
 
 
 | 47 | #warning "<dos.h> is obsolete; consider using <direct.h> instead." | 
 
 
 
 
 | 48 | #endif  /* !__DIRECT_H_SOURCED__ */ | 
 
 
 
 
 | 49 |  | 
 
 
 
 
 | 50 | /* All MinGW headers are required to include <_mingw.h>; additionally, | 
 
 
 
 
 | 51 | * for DOS file attributes, we must include <io.h>.  By unconditionally | 
 
 
 
 
 | 52 | * including <io.h> here, we may delegate the inclusion of <_mingw.h> to | 
 
 
 
 
 | 53 | * it, while also allowing <direct.h> to delegate responsibility for the | 
 
 
 
 
 | 54 | * inclusion of both <_mingw.h> and <io.h> to us. | 
 
 
 
 
 | 55 | */ | 
 
 
 
 
 | 56 | #include "io.h" | 
 
 
 
 
 | 57 |  | 
 
 
 
 
 | 58 | #ifndef RC_INVOKED | 
 
 
 
 
 | 59 |  | 
 
 
 
 
 | 60 | _BEGIN_C_DECLS | 
 
 
 
 
 | 61 |  | 
 
 
 
 
 | 62 | /* The following declarations are to be visible ONLY when <dos.h> | 
 
 
 
 
 | 63 | * is included in its own right; they represent entities which are | 
 
 
 
 
 | 64 | * present in CRTDLL.DLL, but not in MSVCRT.DLL | 
 
 
 
 
 | 65 | */ | 
 
 
 
 
 | 66 | #if defined _DOS_H && ! defined __MSVCRT__ | 
 
 
 
 
 | 67 | #ifndef __DECLSPEC_SUPPORTED | 
 
 
 
 
 | 68 |  | 
 
 
 
 
 | 69 | # define _basemajor    (*_imp___basemajor_dll) | 
 
 
 
 
 | 70 | # define _baseminor    (*_imp___baseminor_dll) | 
 
 
 
 
 | 71 | # define _baseversion  (*_imp___baseversion_dll) | 
 
 
 
 
 | 72 | # define _osmajor      (*_imp___osmajor_dll) | 
 
 
 
 
 | 73 | # define _osminor      (*_imp___osminor_dll) | 
 
 
 
 
 | 74 | # define _osmode       (*_imp___osmode_dll) | 
 
 
 
 
 | 75 |  | 
 
 
 
 
 | 76 | extern unsigned int *_imp___basemajor_dll; | 
 
 
 
 
 | 77 | extern unsigned int *_imp___baseminor_dll; | 
 
 
 
 
 | 78 | extern unsigned int *_imp___baseversion_dll; | 
 
 
 
 
 | 79 | extern unsigned int *_imp___osmajor_dll; | 
 
 
 
 
 | 80 | extern unsigned int *_imp___osminor_dll; | 
 
 
 
 
 | 81 | extern unsigned int *_imp___osmode_dll; | 
 
 
 
 
 | 82 |  | 
 
 
 
 
 | 83 | #else /* __DECLSPEC_SUPPORTED */ | 
 
 
 
 
 | 84 |  | 
 
 
 
 
 | 85 | # define _basemajor    _basemajor_dll | 
 
 
 
 
 | 86 | # define _baseminor    _baseminor_dll | 
 
 
 
 
 | 87 | # define _baseversion  _baseversion_dll | 
 
 
 
 
 | 88 | # define _osmajor      _osmajor_dll | 
 
 
 
 
 | 89 | # define _osminor      _osminor_dll | 
 
 
 
 
 | 90 | # define _osmode       _osmode_dll | 
 
 
 
 
 | 91 |  | 
 
 
 
 
 | 92 | __MINGW_IMPORT unsigned int _basemajor_dll; | 
 
 
 
 
 | 93 | __MINGW_IMPORT unsigned int _baseminor_dll; | 
 
 
 
 
 | 94 | __MINGW_IMPORT unsigned int _baseversion_dll; | 
 
 
 
 
 | 95 | __MINGW_IMPORT unsigned int _osmajor_dll; | 
 
 
 
 
 | 96 | __MINGW_IMPORT unsigned int _osminor_dll; | 
 
 
 
 
 | 97 | __MINGW_IMPORT unsigned int _osmode_dll; | 
 
 
 
 
 | 98 |  | 
 
 
 
 
 | 99 | #endif  /* __DECLSPEC_SUPPORTED */ | 
 
 
 
 
 | 100 | #endif  /* _DOS_H && !__MSVCRT__ */ | 
 
 
 
 
 | 101 |  | 
 
 
 
 
 | 102 | /* The following section, which declares the _getdiskfree() function | 
 
 
 
 
 | 103 | * prototype, and also defines its associated _diskfree_t data structure, | 
 
 
 
 
 | 104 | * is to be processed both when including <dos.h> in its own right, and | 
 
 
 
 
 | 105 | * when selectively included by <direct.h>; however... | 
 
 
 
 
 | 106 | */ | 
 
 
 
 
 | 107 | #if ! (defined _DOS_H && defined _DIRECT_H) | 
 
 
 
 
 | 108 | /* ...when both the _DOS_H guard, and the _DIRECT_H multiple inclusion | 
 
 
 
 
 | 109 | * guards have been defined, by the time we get to here, then this is | 
 
 
 
 
 | 110 | * <dos.h> inclusion in its own right, and we have ALREADY processed | 
 
 
 
 
 | 111 | * these definitions through selective inclusion by <direct.h>; we | 
 
 
 
 
 | 112 | * MUST NOT process them a second time. | 
 
 
 
 
 | 113 | */ | 
 
 
 
 
 | 114 | #ifndef _NO_OLDNAMES | 
 
 
 
 
 | 115 | # define diskfree_t  _diskfree_t | 
 
 
 
 
 | 116 | #endif | 
 
 
 
 
 | 117 |  | 
 
 
 
 
 | 118 | struct _diskfree_t | 
 
 
 
 
 | 119 | { /* A structure in which to store information about disk | 
 
 
 
 
 | 120 | * free space, as returned by the _getdiskfree() function. | 
 
 
 
 
 | 121 | */ | 
 
 
 
 
 | 122 | unsigned total_clusters; | 
 
 
 
 
 | 123 | unsigned avail_clusters; | 
 
 
 
 
 | 124 | unsigned sectors_per_cluster; | 
 
 
 
 
 | 125 | unsigned bytes_per_sector; | 
 
 
 
 
 | 126 | }; | 
 
 
 
 
 | 127 |  | 
 
 
 
 
 | 128 | _CRTIMP __cdecl __MINGW_NOTHROW | 
 
 
 
 
 | 129 | unsigned _getdiskfree (unsigned, struct _diskfree_t *); | 
 
 
 
 
 | 130 |  | 
 
 
 
 
 | 131 | #endif  /* ! ( _DOS_H && _DIRECT_H) */ | 
 
 
 
 
 | 132 |  | 
 
 
 
 
 | 133 | _END_C_DECLS | 
 
 
 
 
 | 134 |  | 
 
 
 
 
 | 135 | #endif  /* ! RC_INVOKED */ | 
 
 
 
 
 | 136 | #endif  /* !_DOS_H: $RCSfile: dos.h,v $: end of file */ |