95 lines
3.6 KiB
C
95 lines
3.6 KiB
C
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/************************************************************/
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/* Windows Write, Copyright 1985-1992 Microsoft Corporation */
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/************************************************************/
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/* Include file with headers for functions in DOSLIB.ASM */
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typedef unsigned DOSHND; /* DOS handle */
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typedef DOSHND typeOSFN; /* General WRITE type for OS file handle */
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struct TIM { /* Time structure returned by OsTime */
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CHAR minutes, hour, hsec, sec;
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};
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int CchCurSzPath( CHAR *, CHAR );
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#ifdef ENABLE /* We are not currently using these */
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int FFirst( CHAR near *, PSTR, int );
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int FNext( CHAR near * );
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DOSHND WOpenSzFfname( CHAR *, int );
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#endif
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WORD DaGetFileModeSz(CHAR *);
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void OsTime( struct TIM * ); /* NOTE: function moved to lib.asm */
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DOSHND WCreateNewSzFfname( CHAR *, int );
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DOSHND WCreateSzFfname( CHAR *, int );
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int CchReadDoshnd( DOSHND, CHAR FAR *, int );
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int CchWriteDoshnd( DOSHND, CHAR FAR *, int );
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int FCloseDoshnd( DOSHND );
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WORD WDosVersion( void );
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int DosxError( void );
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long DwSeekDw( DOSHND, long, int );
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int FpeDeleteSzFfname( CHAR * );
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int FpeRenameSzFfname( CHAR *, CHAR * );
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#define DA_NORMAL 0x00 /* DOS File Attribute */
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#define DA_READONLY 0x01 /* DOS File Attribute for read-only file */
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#define DA_NIL 0xFFFF /* Error DA */
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#define dosxSharing 32 /* Extended error code for sharing viol. */
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#define nErrNoAcc 5 /* OpenFile error code for Access Denied */
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#define nErrFnf 2 /* OpenFile error code for File Not Found */
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#define bSHARE_DENYRDWR 0x10 /* Sharing Open mode for exclusive use */
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/* Error condition returned by "CCH" returning DOS functions, e.g. read */
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#define FIsErrCchDisk(cch) ((int)(cch) < 0)
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#define cchDiskHardError -1 /* Bogus error code, not returned by DOS */
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#define fpeHardError -1 /* also */
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/* Error condition returned by functions that return DOS handles */
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#define FIsErrDoshnd(doshnd) ((int)(doshnd) < 0)
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/* DOS Error codes */
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/* These are the negative of the codes returned in AX by DOS functions */
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#define fpeFnfError -2 /* File Not Found */
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#define fpeBadPathError -3 /* Bad Path (path not found) */
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#define fpeNoHndError -4 /* No Handles Available */
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#define fpeNoAccError -5 /* Access Denied */
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#define fpeBadHndError -6 /* Bad handle passed in */
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#define fpeNoDriveError -15 /* Non-existent drive passed in */
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#define fpeExistError -80 /* File exists */
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/* Seek-from type codes passed to DOS function 42H */
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#define SF_BEGINNING 0 /* Seek from beginning of file */
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#define SF_CURRENT 1 /* Seek from current file pointer */
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#define SF_END 2 /* Seek from end of file */
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/* Error test for seek position */
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#define FIsErrDwSeek(dw) ((long)(dw) < (long)0)
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/* Error test for fpe-returning functions */
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#define FIsErrFpe(fpe) ((int)(fpe) < 0)
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/* Tests whether an error is a hardware error. Hardware errors are caught
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and prompted for by Windows, so we should not duplicate those prompts.
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Chrisp says these DOS 3.0 error codes are generated by Windows for all
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supported versions of DOS
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fpe is WRITE's error type; ofe is the unadulturated error returned by
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DOS or OpenFile */
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#define ofeCaughtFirst 19
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#define ofeCaughtLast 27
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#define FIsCaughtOfe(ofe) (((ofe)>=ofeCaughtFirst)&&((ofe)<=ofeCaughtLast))
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#define FIsCaughtFpe(fpe) FIsCaughtOfe(-(fpe))
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#define FIsCaughtDwSeekErr(dw) FIsCaughtFpe((int)(dw))
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#define FpeFromCchDisk(cch) (cch)
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#define fpeNoErr 0
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