108 lines
4.1 KiB
C
108 lines
4.1 KiB
C
/***
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*msdos.h - MS-DOS definitions for C runtime
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*
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* Copyright (c) 1987-1997, Microsoft Corporation. All rights reserved.
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*
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*Purpose:
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* The file contains the MS-DOS definitions (function request numbers,
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* flags, etc.) used by the C runtime.
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*
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* [Internal]
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*
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*Revision History:
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* 08-01-89 GJF Fixed copyright
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* 10-30-89 GJF Fixed copyright (again)
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* 03-01-90 GJF Added #ifndef _INC_MSDOS stuff
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* 05-09-90 JCR Added _STACKSLOP (from msdos.inc)
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* 11-30-90 GJF Added Win32 support. Also removed constants that
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* are not used in Cruiser or Win32 runtimes.
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* 12-04-90 SRW Removed Win32 dependencies from this file.
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* Put them in internal.h
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* 07-01-92 GJF FRDONLY is not set or used for Win32.
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* 02-23-93 SKS Update copyright to 1993
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* 12-28-94 JCF Merged with mac header.
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* 02-14-95 CFW Clean up Mac merge.
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* 03-29-95 CFW Add error message to internal headers.
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* 12-14-95 JWM Add "#pragma once".
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* 05-16-96 GJF Added FNOINHERIT.
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*
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****/
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#if _MSC_VER > 1000 /*IFSTRIP=IGN*/
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#pragma once
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#endif
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#ifndef _INC_MSDOS
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#define _INC_MSDOS
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#ifndef _CRTBLD
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/*
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* This is an internal C runtime header file. It is used when building
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* the C runtimes only. It is not to be used as a public header file.
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*/
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#error ERROR: Use of C runtime library internal header file.
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#endif /* _CRTBLD */
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/* Stack slop for o.s. system call overhead */
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#define _STACKSLOP 1024
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/* __osfile flag values for DOS file handles */
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#define FOPEN 0x01 /* file handle open */
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#define FEOFLAG 0x02 /* end of file has been encountered */
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#if defined(_M_M68K) || defined(_M_MPPC)
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#define FWRONLY 0x04 /* file handle associated with write only file */
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#define FLOCK 0x08 /* file has been successfully locked at least once */
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#else /* ndef defined(_M_M68K) || defined(_M_MPPC) */
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#define FCRLF 0x04 /* CR-LF across read buffer (in text mode) */
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#define FPIPE 0x08 /* file handle refers to a pipe */
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#endif /* defined(_M_M68K) || defined(_M_MPPC) */
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#ifdef _WIN32
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#define FNOINHERIT 0x10 /* file handle opened _O_NOINHERIT */
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#else
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#define FRDONLY 0x10 /* file handle associated with read only file */
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#endif
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#define FAPPEND 0x20 /* file handle opened O_APPEND */
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#define FDEV 0x40 /* file handle refers to device */
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#define FTEXT 0x80 /* file handle is in text mode */
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/* DOS errno values for setting __doserrno in C routines */
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#define E_ifunc 1 /* invalid function code */
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#define E_nofile 2 /* file not found */
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#define E_nopath 3 /* path not found */
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#define E_toomany 4 /* too many open files */
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#define E_access 5 /* access denied */
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#define E_ihandle 6 /* invalid handle */
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#define E_arena 7 /* arena trashed */
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#define E_nomem 8 /* not enough memory */
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#define E_iblock 9 /* invalid block */
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#define E_badenv 10 /* bad environment */
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#define E_badfmt 11 /* bad format */
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#define E_iaccess 12 /* invalid access code */
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#define E_idata 13 /* invalid data */
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#define E_unknown 14 /* ??? unknown error ??? */
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#define E_idrive 15 /* invalid drive */
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#define E_curdir 16 /* current directory */
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#define E_difdev 17 /* not same device */
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#define E_nomore 18 /* no more files */
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#define E_maxerr2 19 /* unknown error - Version 2.0 */
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#define E_sharerr 32 /* sharing violation */
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#define E_lockerr 33 /* locking violation */
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#define E_maxerr3 34 /* unknown error - Version 3.0 */
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/* DOS file attributes */
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#define A_RO 0x1 /* read only */
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#define A_H 0x2 /* hidden */
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#define A_S 0x4 /* system */
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#define A_V 0x8 /* volume id */
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#define A_D 0x10 /* directory */
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#define A_A 0x20 /* archive */
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#define A_MOD (A_RO+A_H+A_S+A_A) /* changeable attributes */
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#endif /* _INC_MSDOS */
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