171 lines
5.7 KiB
C++
171 lines
5.7 KiB
C++
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/**********************************************************************/
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/** Microsoft LAN Manager **/
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/** Copyright(c) Microsoft Corp., 1990, 1991 **/
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/**********************************************************************/
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/*
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uisys.hxx
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system related routines, like drive checking, etc.
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FILE HISTORY:
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ChuckC 18-Jan-1991 Created
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JonN 31-Jan-1991 Added File APIs
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JonN 22-Mar-1991 Coderev changes (2/20/91, JonN, RustanlL, ?)
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KeithMo 09-Oct-1991 Win32 Conversion.
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terryk 28-Feb-1992 Added more file io functions
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beng 29-Mar-1992 Remove odious PSZ type
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terryk 17-APr-1992 Added FileRead functions.
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JonN 19-May-1992 Added EnumAllDrives(), LPTs, Comms
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*/
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/*
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* check for valid devices
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*/
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DLL_BASED
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APIERR CheckLocalDrive( const TCHAR *DeviceName ) ;
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DLL_BASED
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APIERR CheckLocalLpt( const TCHAR * pszDeviceName ) ;
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DLL_BASED
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APIERR CheckLocalComm( const TCHAR * pszDeviceName ) ;
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/*
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* enumerate local devices
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*/
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DLL_BASED
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ULONG EnumLocalDrives() ;
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DLL_BASED
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ULONG EnumLocalLPTs() ;
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DLL_BASED
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ULONG EnumLocalComms() ;
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/*
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* enumerate redirected devices
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*/
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DLL_BASED
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ULONG EnumNetDrives() ;
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DLL_BASED
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ULONG EnumNetLPTs() ;
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DLL_BASED
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ULONG EnumNetComms() ;
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/*
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* check unavail devices
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*/
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DLL_BASED
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APIERR CheckUnavailDevice(const TCHAR * pszDevice, TCHAR * pszRemote, INT *psType) ;
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/*
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* enumerate unavail devices
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*/
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DLL_BASED
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ULONG EnumUnavailDrives() ;
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DLL_BASED
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ULONG EnumUnavailLPTs() ;
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DLL_BASED
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ULONG EnumUnavailComms() ;
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/*
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* enumerate all devices (all valid designations for a device of this type)
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*/
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DLL_BASED
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ULONG EnumAllDrives() ;
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DLL_BASED
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ULONG EnumAllLPTs() ;
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DLL_BASED
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ULONG EnumAllComms() ;
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/****************************************************************************\
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*
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*NAME File APIs
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*
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*SYNOPSIS: These APIs are primitive File IO operations using ULONG as
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* a file handle. They provide line-oriented access to text
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* files. Equivalent functionality is available under both
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* Windows and DOS/OS2, although error reporting is more limited
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* under Windows.
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*
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*INTERFACE:
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*
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* APIERR FileOpenRead( PULONG pulFileHandle, const TCHAR * cpszFileName ) ;
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* Opens a file for reading only. Returns FAPI error code.
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* Windows returns only NO_ERROR or ERROR_FILE_NOT_FOUND.
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*
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* APIERR FileOpenWrite( PULONG pulFileHandle, const TCHAR * cpszFileName ) ;
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* Creates a new file, deleting any existing file. Returns
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* FAPI error code. Windows returns only NO_ERROR or
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* ERROR_WRITE_FAULT.
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*
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* APIERR FileClose( ULONG ulFileHandle ) ;
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* Closes a file opened by FileOpenRead or FileOpenWrite.
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* Returns FAPI error code. Windows returns only NO_ERROR
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* or ERROR_READ_FAULT (regardless of whether file was
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* opened for reading or writing). Do not close if file
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* was not successfully opened.
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*
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* APIERR FileReadLine( ULONG ulFileHandle, PSZ pszBuffer, UINT cbBuffer ) ;
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* Reads a single line from the file, where a line is
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* terminated by '\n'. Termination is left on the string.
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* Returns ERROR_INSUFFICIENT_BUFFER to indicate EOF as well
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* as a line longer than cbBuffer.
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*
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* APIERR FileWriteLine( ULONG ulFileHandle, const TCHAR * cpszBuffer ) ;
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* Writes a null-terminated string to the file. Be sure
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* that the string is "\r\n" terminated.
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*
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*
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*
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*CAVEATS: Windows cannot return as wide a variety of error codes as
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* OS2, so Windows programs should take return codes
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* other than NO_ERROR with a grain of salt.
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*
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* Treat the ULONG file handles as you would DosOpen file
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* handles, e.g.
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* - do not use before opening file
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* - do not read file opened with FileOpenWrite, or vice versa
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* - always close successfully opened files
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*
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*
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*NOTES:
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*
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*HISTORY: JonN 31-Jan-1991 Created
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* JonN 21-Mar-1991 Code review changes from 2/20/91 (attended
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* by JonN, RustanL, ?)
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* terryk 28-Feb-1992 Added
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* FileReadBuffer
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* FileWriteBuffer
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* FileSeekAbsolute
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* FileSeekRelative
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* FileSeekFromEnd
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* FileTell
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*
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\****************************************************************************/
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DLL_BASED
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APIERR FileOpenRead( ULONG * pulFileHandle, const TCHAR * cpszFileName ) ;
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DLL_BASED
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APIERR FileOpenWrite( ULONG * pulFileHandle, const TCHAR * cpszFileName ) ;
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DLL_BASED
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APIERR FileOpenReadWrite( ULONG *pulFileHandle, const TCHAR * cpszFileName ) ;
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DLL_BASED
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APIERR FileClose( ULONG ulFileHandle ) ;
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DLL_BASED
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APIERR FileReadLine( ULONG ulFileHandle, TCHAR * pszBuffer, UINT cbBuffer ) ;
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DLL_BASED
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APIERR FileWriteLine( ULONG ulFileHandle, const TCHAR * cpszBuffer ) ;
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DLL_BASED
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APIERR FileWriteLineAnsi( ULONG ulFileHandle, const CHAR * pszBuffer,
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UINT cbBuffer ) ;
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DLL_BASED
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APIERR FileReadBuffer( ULONG ulFileHandle, BYTE * pszBuffer, UINT cbBuffer, UINT *pcbReceived );
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DLL_BASED
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APIERR FileWriteBuffer( ULONG ulFileHandle, const BYTE * cpszBuffer, UINT cbBuffer, UINT *pcbSent );
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DLL_BASED
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APIERR FileSeekAbsolute( ULONG ulFileHandle, LONG lOffset );
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DLL_BASED
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APIERR FileSeekRelative( ULONG ulFileHandle, LONG lOffset );
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DLL_BASED
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APIERR FileSeekFromEnd( ULONG ulFileHanlde, LONG lOffset );
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DLL_BASED
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APIERR FileTell( ULONG ulFileHandle, LONG * pcbPosition );
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