206 lines
4.3 KiB
C
206 lines
4.3 KiB
C
/***
|
|
*dos.h - definitions for MS-DOS interface routines
|
|
*
|
|
* Copyright (c) 1985-1995, 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.
|
|
*
|
|
* [Public]
|
|
*
|
|
****/
|
|
|
|
#if _MSC_VER > 1000
|
|
#pragma once
|
|
#endif
|
|
|
|
#ifndef _INC_DOS
|
|
#define _INC_DOS
|
|
|
|
#if !defined(_WIN32) && !defined(_MAC)
|
|
#error ERROR: Only Mac or Win32 targets supported!
|
|
#endif
|
|
|
|
|
|
#ifdef _MSC_VER
|
|
/*
|
|
* Currently, all MS C compilers for Win32 platforms default to 8 byte
|
|
* alignment.
|
|
*/
|
|
#pragma pack(push,8)
|
|
#endif /* _MSC_VER */
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
|
|
/* Define _CRTAPI1 (for compatibility with the NT SDK) */
|
|
|
|
#ifndef _CRTAPI1
|
|
#if _MSC_VER >= 800 && _M_IX86 >= 300
|
|
#define _CRTAPI1 __cdecl
|
|
#else
|
|
#define _CRTAPI1
|
|
#endif
|
|
#endif
|
|
|
|
|
|
/* Define _CRTAPI2 (for compatibility with the NT SDK) */
|
|
|
|
#ifndef _CRTAPI2
|
|
#if _MSC_VER >= 800 && _M_IX86 >= 300
|
|
#define _CRTAPI2 __cdecl
|
|
#else
|
|
#define _CRTAPI2
|
|
#endif
|
|
#endif
|
|
|
|
|
|
/* Define _CRTIMP */
|
|
|
|
#ifndef _CRTIMP
|
|
#ifdef _NTSDK
|
|
/* definition compatible with NT SDK */
|
|
#define _CRTIMP
|
|
#else /* ndef _NTSDK */
|
|
/* current definition */
|
|
#ifdef _DLL
|
|
#define _CRTIMP __declspec(dllimport)
|
|
#else /* ndef _DLL */
|
|
#define _CRTIMP
|
|
#endif /* _DLL */
|
|
#endif /* _NTSDK */
|
|
#endif /* _CRTIMP */
|
|
|
|
|
|
/* Define __cdecl for non-Microsoft compilers */
|
|
|
|
#if ( !defined(_MSC_VER) && !defined(__cdecl) )
|
|
#define __cdecl
|
|
#endif
|
|
|
|
#ifndef _MAC
|
|
#ifndef _WCHAR_T_DEFINED
|
|
typedef unsigned short wchar_t;
|
|
#define _WCHAR_T_DEFINED
|
|
#endif
|
|
#endif /* ndef _MAC */
|
|
|
|
#ifndef _MAC
|
|
#ifndef _DISKFREE_T_DEFINED
|
|
/* _getdiskfree structure (duplicated in DIRECT.H) */
|
|
struct _diskfree_t {
|
|
unsigned total_clusters;
|
|
unsigned avail_clusters;
|
|
unsigned sectors_per_cluster;
|
|
unsigned bytes_per_sector;
|
|
};
|
|
|
|
#define _DISKFREE_T_DEFINED
|
|
#endif
|
|
#endif /* ndef _MAC */
|
|
|
|
/* 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 */
|
|
|
|
#ifdef _NTSDK
|
|
|
|
/* External variable declarations */
|
|
|
|
/*
|
|
* WARNING! The _osversion, _osmajor, _osminor, _baseversion, _basemajor and
|
|
* _baseminor variables were never meaningfully defined in the C runtime
|
|
* libraries for Win32 platforms. Any code which references these variables
|
|
* should be revised (see the declarations for version information variables
|
|
* in stdlib.h).
|
|
*/
|
|
|
|
#ifdef _DLL
|
|
|
|
/* --------- The following block is OBSOLETE --------- */
|
|
|
|
#define _osversion (*_osversion_dll)
|
|
#define _osmajor (*_osmajor_dll)
|
|
#define _osminor (*_osminor_dll)
|
|
#define _baseversion (*_baseversion_dll)
|
|
#define _basemajor (*_basemajor_dll)
|
|
#define _baseminor (*_baseminor_dll)
|
|
|
|
extern unsigned int * _osversion_dll;
|
|
extern unsigned int * _osmajor_dll;
|
|
extern unsigned int * _osminor_dll;
|
|
extern unsigned int * _baseversion_dll;
|
|
extern unsigned int * _basemajor_dll;
|
|
extern unsigned int * _baseminor_dll;
|
|
|
|
/* --------- The preceding block is OBSOLETE --------- */
|
|
|
|
#define _pgmptr (*_pgmptr_dll)
|
|
extern char ** _pgmptr_dll;
|
|
|
|
#ifndef _MAC
|
|
#define _wpgmptr (*_wpgmptr_dll)
|
|
extern wchar_t ** _wpgmptr_dll;
|
|
#endif /* ndef _MAC */
|
|
|
|
#else /* ndef _DLL */
|
|
|
|
/* --------- The following block is OBSOLETE --------- */
|
|
|
|
|
|
extern unsigned int _osversion;
|
|
extern unsigned int _osmajor;
|
|
extern unsigned int _osminor;
|
|
extern unsigned int _baseversion;
|
|
extern unsigned int _basemajor;
|
|
extern unsigned int _baseminor;
|
|
|
|
/* --------- The preceding block is OBSOLETE --------- */
|
|
|
|
|
|
extern char * _pgmptr;
|
|
#ifndef _MAC
|
|
extern wchar_t * _wpgmptr;
|
|
#endif /* ndef _MAC */
|
|
|
|
#endif /* _DLL */
|
|
|
|
#endif /* _NTSDK */
|
|
|
|
#ifndef _MAC
|
|
/* Function prototypes */
|
|
_CRTIMP unsigned __cdecl _getdiskfree(unsigned, struct _diskfree_t *);
|
|
#endif /* ndef _MAC */
|
|
|
|
#ifdef _M_IX86
|
|
void __cdecl _disable(void);
|
|
void __cdecl _enable(void);
|
|
#endif /* _M_IX86 */
|
|
|
|
#ifndef _MAC
|
|
#if !__STDC__
|
|
/* Non-ANSI name for compatibility */
|
|
#define diskfree_t _diskfree_t
|
|
#endif /* __STDC__ */
|
|
#endif /* ndef _MAC */
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#ifdef _MSC_VER
|
|
#pragma pack(pop)
|
|
#endif /* _MSC_VER */
|
|
|
|
#endif /* _INC_DOS */
|