mirror of
https://github.com/reactos/reactos.git
synced 2024-10-30 19:41:57 +00:00
88a218b3f6
svn path=/trunk/; revision=17353
200 lines
4.5 KiB
C++
200 lines
4.5 KiB
C++
/* $Id$
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*/
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/*
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*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS OS/2 sub system
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* PART: doscalls.dll
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* FILE: openclose.cpp
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* PURPOSE: Kernelservices for OS/2 apps
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* CONTAINS: Open close write and handle related stuff.
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* PROGRAMMER: Robert K. nonvolatil@yahoo.de
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* REVISION HISTORY:
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* 13-03-2002 Created
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* 25-07-2002 Work to make it compile
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*/
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#define INCL_DOSFILEMGR
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#define INCL_DOSERRORS
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#include "ros2.h"
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<<<<<<< openclose.cpp
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APIRET STDCALL DosOpen(PSZ pszFileName, PHFILE pHf,
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=======
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APIRET STDCALL Dos32Open(PSZ pszFileName, PHFILE pHf,
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>>>>>>> 1.4
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PULONG pulAction, ULONG cbFile,
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ULONG ulAttribute, ULONG fsOpenFlags,
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ULONG fsOpenMode, PVOID reserved ) //ULONGPEAOP2 peaop2)
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{
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/* NTAPI
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ZwCreateFile(
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OUT PHANDLE FileHandle,
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IN ACCESS_MASK DesiredAccess,
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IN POBJECT_ATTRIBUTES ObjectAttributes,
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OUT PIO_STATUS_BLOCK IoStatusBlock,
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IN PLARGE_INTEGER AllocationSize OPTIONAL,
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IN ULONG FileAttributes,
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IN ULONG ShareAccess,
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IN ULONG CreateDisposition,
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IN ULONG CreateOptions,
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IN PVOID EaBuffer OPTIONAL,
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IN ULONG EaLength
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);*/
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/*
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OBJECT_ATTRIBUTES ObjectAttributes;
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IO_STATUS_BLOCK IoStatusBlock;
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UNICODE_STRING NtPathU;
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HANDLE FileHandle;
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NTSTATUS Status;
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ULONG Flags = 0;
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switch (dwCreationDisposition)
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{
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case CREATE_NEW:
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dwCreationDisposition = FILE_CREATE;
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break;
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case CREATE_ALWAYS:
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dwCreationDisposition = FILE_OVERWRITE_IF;
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break;
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case OPEN_EXISTING:
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dwCreationDisposition = FILE_OPEN;
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break;
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case OPEN_ALWAYS:
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dwCreationDisposition = OPEN_ALWAYS;
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break;
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case TRUNCATE_EXISTING:
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dwCreationDisposition = FILE_OVERWRITE;
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}
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DPRINT("CreateFileW(lpFileName %S)\n",lpFileName);
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if (dwDesiredAccess & GENERIC_READ)
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dwDesiredAccess |= FILE_GENERIC_READ;
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if (dwDesiredAccess & GENERIC_WRITE)
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dwDesiredAccess |= FILE_GENERIC_WRITE;
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if (!(dwFlagsAndAttributes & FILE_FLAG_OVERLAPPED))
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{
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Flags |= FILE_SYNCHRONOUS_IO_ALERT;
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}
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if (!RtlDosPathNameToNtPathName_U ((LPWSTR)lpFileName,
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&NtPathU,
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NULL,
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NULL))
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return INVALID_HANDLE_VALUE;
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DPRINT("NtPathU \'%S\'\n", NtPathU.Buffer);
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ObjectAttributes.Length = sizeof(OBJECT_ATTRIBUTES);
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ObjectAttributes.RootDirectory = NULL;
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ObjectAttributes.ObjectName = &NtPathU;
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ObjectAttributes.Attributes = OBJ_CASE_INSENSITIVE;
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ObjectAttributes.SecurityDescriptor = NULL;
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ObjectAttributes.SecurityQualityOfService = NULL;
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Status = NtCreateFile (&FileHandle,
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dwDesiredAccess,
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&ObjectAttributes,
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&IoStatusBlock,
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NULL,
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dwFlagsAndAttributes,
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dwShareMode,
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dwCreationDisposition,
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Flags,
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NULL,
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0);
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if (!NT_SUCCESS(Status))
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{
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SetLastErrorByStatus (Status);
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return INVALID_HANDLE_VALUE;
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}
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return FileHandle;*/
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return ERROR_CALL_NOT_IMPLEMENTED;
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}
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/* close a Handle. seems finished */
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APIRET STDCALL DosClose(HFILE hFile)
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{
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NT::NTSTATUS nErrCode;
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nErrCode = NT::ZwClose( (NT::HANDLE)hFile );
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switch( nErrCode )
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{
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/*
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case STATUS_SUCCESS:
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return NO_ERROR;
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case STATUS_INVALID_HANDLE:
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return ERROR_INVALID_HANDLE;
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case STATUS_HANDLE_NOT_CLOSABLE:
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return ERROR_FILE_NOT_FOUND;
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*/
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}
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return nErrCode;
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}
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APIRET STDCALL DosRead(HFILE hFile, PVOID pBuffer,
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ULONG cbRead, PULONG pcbActual)
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{
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NT::NTSTATUS nErrCode;
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NT::IO_STATUS_BLOCK isbStatus;
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// read data from file
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nErrCode = NT::ZwReadFile( (NT::HANDLE)hFile, NULL, NULL, NULL,
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&isbStatus, pBuffer, cbRead,
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NULL, NULL );
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// contains the # bytes actually read.
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*pcbActual = isbStatus.Information;
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switch(nErrCode)
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{
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/*
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case STATUS_INVALID_HANDLE:
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return ERROR_INVALID_HANDLE;
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// FIXME: complete this
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*/
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}
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return NO_ERROR;
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}
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/* Generic write to a stream given by hFile */
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APIRET STDCALL DosWrite(HFILE hFile, PVOID pBuffer,
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ULONG cbWrite, PULONG pcbActual)
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{
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NT::NTSTATUS nErrCode;
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NT::IO_STATUS_BLOCK StatusBlk;
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nErrCode = NtWriteFile( (NT::HANDLE)hFile, NULL, NULL, NULL,
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&StatusBlk, pBuffer, cbWrite, 0, NULL );
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// FIXME *pcbActual = StatusBlk.Information;
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// do an errorcode translation FIXME: correct
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return ERROR_CALL_NOT_IMPLEMENTED;
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switch(nErrCode)
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{
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/*
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case STATUS_SUCCESS:
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case STATUS_PENDING:
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case STATUS_ACCESS_DENIED:
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case STATUS_INVALID_HANDLE:
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case STATUS_FILE_LOCK_CONFLICT:
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return 0;
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*/
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}
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return 0;
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}
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