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Diffstat (limited to 'private/crt32/h/dos.h')
| -rw-r--r-- | private/crt32/h/dos.h | 222 |
1 files changed, 222 insertions, 0 deletions
diff --git a/private/crt32/h/dos.h b/private/crt32/h/dos.h new file mode 100644 index 000000000..259b60d74 --- /dev/null +++ b/private/crt32/h/dos.h @@ -0,0 +1,222 @@ +/*** +*dos.h - definitions for MS-DOS interface routines +* +* Copyright (c) 1985-1993, Microsoft Corporation. All rights reserved. +* +*Purpose: +* Defines the structs and unions used for the direct DOS interface +* routines; includes macros to access the segment and offset +* values of far pointers, so that they may be used by the routines; and +* provides function prototypes for direct DOS interface functions. +* +*Revision History: +* 06-11-87 JCR Added find_t +* 06-15-87 JCR Added O_NOINHERIT +* 06-18-87 JCR Added some DOS function prototypes +* 06-19-87 JCR Moved O_NOINHERIT to fcntl.h +* 06-25-87 JMB Added _HARDERR_* constants +* 06-25-87 SKS Added diskfree_t, dosdate_t, dostime_t structures +* 06-25-87 JCR Added _A_NORMAL, etc. constants +* 07-17-87 JCR Added _chain_intr, also the "interrupt" type to +* _dos_setvec and _dos_getvec. +* 07-27-87 SKS Added several _dos_*() functions, _disable()/_enable() +* 08-17-87 PHG Fixed bad prototype for _dos_getdiskfree() +* 10-08-87 JCR Added _CDECL to prototypes with "interrupt" declaration +* (needed for compiling with -Gc switch). +* 09-27-88 JCR 386 version +* 10-03-88 GJF Use M_I386, not I386 +* 05-03-89 JCR Added _INTERNAL_IFSTRIP for relinc usage +* 07-25-89 GJF Major cleanup. Alignment of struct fields is now +* protected by pack pragmas. Now specific to 386. +* 10-30-89 GJF Fixed copyright +* 11-02-89 JCR Changed "DLL" to "_DLL" +* 02-28-90 GJF Added #ifndef _INC_DOS and #include <cruntime.h> +* stuff. Also, removed some (now) useless preprocessor +* directives. +* 03-22-90 GJF Replaced _cdecl with _CALLTYPE1 in prototype and with +* _VARTYPE1 in variable declaration. +* 12-28-90 SRW Added _CRUISER_ conditional around pack pragmas +* 01-23-91 GJF Removed segread() prototype. +* 04-04-91 GJF Added version info variables (_WIN32_). +* 08-20-91 JCR C++ and ANSI naming +* 08-26-91 BWM Added _peek, poke, and _getvideoaddr (_DOSX32_). +* 08-26-91 BWM Removed _harderr constants, replaced by _seterrormode. +* 08-26-91 BWM Removed datetime prototypes, replaced by systime functions. +* 09-05-91 JCR Added missing #endif (bug fix), removed obsolete stuff +* 09-16-91 BWM Fixed reversed #ifdef on screen address constants. +* 01-22-92 GJF Fixed up definitions of global variables for build of, +* and users of, crtdll.dll. +* 03-30-92 DJM POSIX support. +* 06-02-92 SKS Fix typo in DLL declaration of _osmajor +* Add declartion of _pgmptr +* 08-07-92 GJF Function calling type and variable type macros. +* 01-21-93 GJF Removed support for C6-386's _cdecl. +* +****/ + +#ifndef _INC_DOS + +#ifdef __cplusplus +extern "C" { +#endif + +#ifndef _INTERNAL_IFSTRIP_ +#include <cruntime.h> +#endif /* _INTERNAL_IFSTRIP_ */ + +/* + * Conditional macro definition for function calling type and variable type + * qualifiers. + */ +#if ( (_MSC_VER >= 800) && (_M_IX86 >= 300) ) + +/* + * Definitions for MS C8-32 (386/486) compiler + */ +#define _CRTAPI1 __cdecl +#define _CRTAPI2 __cdecl + +#else + +/* + * Other compilers (e.g., MIPS) + */ +#define _CRTAPI1 +#define _CRTAPI2 + +#endif + + +#ifdef _CRUISER_ +/* ensure proper alignment of struct fields */ + +#pragma pack(4) +#endif /* ndef _CRUISER_ */ + +#ifdef _DOSX32_ +/* Absolute address type for _peek and _poke */ + +#ifndef _ABSADDR_T_DEFINED +typedef unsigned long _absaddr_t; +#define _ABSADDR_T_DEFINED +#endif +#endif + +/* _getdiskfree structure (duplicated in DIRECT.H) */ + +#ifndef _DISKFREE_T_DEFINED + +struct _diskfree_t { + unsigned total_clusters; + unsigned avail_clusters; + unsigned sectors_per_cluster; + unsigned bytes_per_sector; + }; + +#define _DISKFREE_T_DEFINED + +#endif + +#ifdef _DOSX32_ +/* Region constants for _getvideoaddress() */ + +#define _ADDR_NO_PALETTE_GRAPHICS 0x18000 /* For modes 4-6 */ +#define _ADDR_PALETTE_GRAPHICS 0x00000 /* For modes 9+ */ +#define _ADDR_COLOR_TEXT 0x18000 /* For modes 0-3 */ +#define _ADDR_MONO_TEXT 0x10000 /* For mode 7 */ +#endif + +#ifdef _DOSX32_ +/* Macro to convert segmented address to _absaddr_t */ + +#define _MAKE_ABS(seg,off) ((seg << 16) | (off & 0xffff)) +#endif + +/* File attribute constants */ + +#define _A_NORMAL 0x00 /* Normal file - No read/write restrictions */ +#define _A_RDONLY 0x01 /* Read only file */ +#define _A_HIDDEN 0x02 /* Hidden file */ +#define _A_SYSTEM 0x04 /* System file */ +#define _A_SUBDIR 0x10 /* Subdirectory */ +#define _A_ARCH 0x20 /* Archive file */ + +/* external variable declarations */ + +#if defined(_WIN32_) || defined(_POSIX_) + +#ifdef _DLL + +#define _osversion (*_osversion_dll) +#define _osmajor (*_osmajor_dll) +#define _osminor (*_osminor_dll) +#define _baseversion (*_baseversion_dll) +#define _basemajor (*_basemajor_dll) +#define _baseminor (*_baseminor_dll) +#define _pgmptr (*_pgmptr_dll) + +extern unsigned int * _CRTVAR1 _osversion_dll; +extern unsigned int * _CRTVAR1 _osmajor_dll; +extern unsigned int * _CRTVAR1 _osminor_dll; +extern unsigned int * _CRTVAR1 _baseversion_dll; +extern unsigned int * _CRTVAR1 _basemajor_dll; +extern unsigned int * _CRTVAR1 _baseminor_dll; +extern char ** _CRTVAR1 _pgmptr_dll; + +#else + +#ifdef CRTDLL +#define _osversion _osversion_dll +#define _osmajor _osmajor_dll +#define _osminor _osminor_dll +#define _baseversion _baseversion_dll +#define _basemajor _basemajor_dll +#define _baseminor _baseminor_dll +#define _pgmptr _pgmptr_dll +#endif + +extern unsigned int _CRTVAR1 _osversion; +extern unsigned int _CRTVAR1 _osmajor; +extern unsigned int _CRTVAR1 _osminor; +extern unsigned int _CRTVAR1 _baseversion; +extern unsigned int _CRTVAR1 _basemajor; +extern unsigned int _CRTVAR1 _baseminor; +extern char * _CRTVAR1 _pgmptr; + +#endif + +#else /* ndef (_WIN32_ || _POSIX_) */ + +extern unsigned int _CRTVAR1 _osversion; + +#endif /* _WIN32_ */ + + +/* function prototypes */ + +unsigned _CRTAPI1 _getdiskfree(unsigned, struct _diskfree_t *); +#ifdef _DOSX32_ +void * _CRTAPI1 _getvideoaddr(unsigned); +#endif +#ifdef _DOSX32_ +void _CRTAPI1 _peek(_absaddr_t, void *, unsigned short); +void _CRTAPI1 _poke(void *, _absaddr_t, unsigned short); +#endif + +#if !__STDC__ +/* Non-ANSI name for compatibility */ +#define diskfree_t _diskfree_t +#endif /* __STDC__ */ + +/* restore default alignment */ + +#ifdef _CRUISER_ +#pragma pack() +#endif /* ndef _CRUISER_ */ + +#ifdef __cplusplus +} +#endif + +#define _INC_DOS +#endif /* _INC_DOS */ |