275 lines
6.9 KiB
C++
275 lines
6.9 KiB
C++
/*************************************************************************
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* $RCSfile: filew32.hxx,v $
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*
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* $Revision: 1.5 $
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*
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* last change: $Author: hr $ $Date: 2006-06-20 00:32:12 $
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*
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* The Contents of this file are made available subject to
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* the terms of GNU Lesser General Public License Version 2.1.
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*
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2005 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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************************************************************************/
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#ifndef INCLUDED_STORE_FILEW32_HXX
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#define INCLUDED_STORE_FILEW32_HXX
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#pragma warning(push,1) // disable warnings within system headers
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#define WIN32_LEAN_AND_MEAN
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#include <windows.h>
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#pragma warning(pop)
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typedef HANDLE HSTORE;
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/*========================================================================
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*
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* File I/O (inline) implementation.
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*
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*======================================================================*/
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/*
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* __store_errcode_map.
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*/
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static const __store_errcode_mapping_st __store_errcode_map[] =
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{
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{ ERROR_SUCCESS, store_E_None },
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{ ERROR_FILE_NOT_FOUND, store_E_NotExists },
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{ ERROR_ACCESS_DENIED, store_E_AccessViolation },
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{ ERROR_LOCK_FAILED, store_E_LockingViolation },
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{ ERROR_LOCK_VIOLATION, store_E_LockingViolation },
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{ ERROR_INVALID_HANDLE, store_E_InvalidHandle },
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{ ERROR_INVALID_PARAMETER, store_E_InvalidParameter },
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{ ERROR_DISK_FULL, store_E_OutOfSpace },
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{ ERROR_HANDLE_DISK_FULL, store_E_OutOfSpace },
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};
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/*
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* __store_errno.
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*/
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inline sal_uInt32 __store_errno (void)
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{
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return (sal_uInt32)::GetLastError();
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}
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/*
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* __store_malign.
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*/
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inline sal_uInt32 __store_malign (void)
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{
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// Check Win32 platform.
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OSVERSIONINFO osinfo;
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osinfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
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::GetVersionEx (&osinfo);
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if (osinfo.dwPlatformId == VER_PLATFORM_WIN32_NT)
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{
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// Determine memory allocation granularity.
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SYSTEM_INFO info;
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::GetSystemInfo (&info);
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return ((sal_uInt32)(info.dwAllocationGranularity));
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}
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return (sal_uInt32)(-1);
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}
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/*
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* __store_fmap (readonly).
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*/
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inline HSTORE __store_fmap (HSTORE hFile)
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{
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return ::CreateFileMapping (
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hFile, NULL, SEC_COMMIT | PAGE_READONLY, 0, 0, NULL);
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}
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/*
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* __store_funmap.
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*/
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inline void __store_funmap (HSTORE hMap)
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{
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::CloseHandle (hMap);
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}
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/*
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* __store_mmap (readonly).
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*/
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inline sal_uInt8* __store_mmap (HSTORE h, sal_uInt32 k, sal_uInt32 n)
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{
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return (sal_uInt8*)::MapViewOfFile (h, FILE_MAP_READ, 0, k, n);
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}
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/*
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* __store_munmap.
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*/
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inline void __store_munmap (sal_uInt8 *p, sal_uInt32)
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{
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::UnmapViewOfFile (p);
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}
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/*
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* __store_fopen.
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*/
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inline storeError __store_fopen (
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const sal_Char *pszName, sal_uInt32 nMode, HSTORE &rhFile)
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{
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// Access mode.
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DWORD nAccessMode = GENERIC_READ;
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if (nMode & store_File_OpenWrite)
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nAccessMode |= GENERIC_WRITE;
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if (nAccessMode == GENERIC_READ)
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nMode |= store_File_OpenNoCreate;
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// Share mode.
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DWORD nShareMode = FILE_SHARE_READ;
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if (!(nMode & store_File_OpenWrite))
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nShareMode |= FILE_SHARE_WRITE;
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// Open action.
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DWORD nOpenAction = 0;
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if (!(nMode & store_File_OpenNoCreate))
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{
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// Open always.
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if (nMode & store_File_OpenTruncate)
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nOpenAction = CREATE_ALWAYS;
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else
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nOpenAction = OPEN_ALWAYS;
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}
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else
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{
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// Open existing.
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if (nMode & store_File_OpenTruncate)
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nOpenAction = TRUNCATE_EXISTING;
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else
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nOpenAction = OPEN_EXISTING;
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}
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// Create file handle.
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rhFile = ::CreateFile (
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pszName,
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nAccessMode,
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nShareMode,
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(LPSECURITY_ATTRIBUTES)NULL,
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nOpenAction,
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(FILE_ATTRIBUTE_NORMAL | FILE_FLAG_RANDOM_ACCESS),
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(HANDLE)NULL);
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// Check result and finish.
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if (rhFile == INVALID_HANDLE_VALUE)
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{
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rhFile = 0;
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return ERROR_FROM_NATIVE(::GetLastError());
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}
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return store_E_None;
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}
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/*
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* __store_fread.
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*/
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inline storeError __store_fread (
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HSTORE h, sal_uInt32 offset, void *p, sal_uInt32 n, sal_uInt32 &k)
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{
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if (::SetFilePointer (h, offset, NULL, FILE_BEGIN) == (DWORD)(-1))
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return ERROR_FROM_NATIVE(::GetLastError());
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if (!::ReadFile (h, p, n, &k, NULL))
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return ERROR_FROM_NATIVE(::GetLastError());
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else
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return store_E_None;
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}
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/*
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* __store_fwrite.
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*/
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inline storeError __store_fwrite (
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HSTORE h, sal_uInt32 offset, const void *p, sal_uInt32 n, sal_uInt32 &k)
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{
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if (::SetFilePointer (h, offset, NULL, FILE_BEGIN) == (DWORD)(-1))
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return ERROR_FROM_NATIVE(::GetLastError());
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if (!::WriteFile (h, p, n, &k, NULL))
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return ERROR_FROM_NATIVE(::GetLastError());
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else
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return store_E_None;
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}
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/*
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* __store_fseek.
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*/
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inline storeError __store_fseek (HSTORE h, sal_uInt32 n)
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{
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DWORD k = ::SetFilePointer (h, n, NULL, FILE_BEGIN);
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if (k == (DWORD)(-1))
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return ERROR_FROM_NATIVE(::GetLastError());
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else
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return store_E_None;
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}
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/*
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* __store_fsize.
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*/
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inline storeError __store_fsize (HSTORE h, sal_uInt32 &k)
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{
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k = (sal_uInt32)::GetFileSize (h, NULL);
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if (k == (sal_uInt32)(-1))
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return ERROR_FROM_NATIVE(::GetLastError());
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else
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return store_E_None;
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}
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/*
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* __store_ftrunc.
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*/
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inline storeError __store_ftrunc (HSTORE h, sal_uInt32 n)
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{
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if (::SetFilePointer (h, n, NULL, FILE_BEGIN) == (DWORD)(-1))
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return ERROR_FROM_NATIVE(::GetLastError());
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if (!::SetEndOfFile (h))
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return ERROR_FROM_NATIVE(::GetLastError());
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else
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return store_E_None;
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}
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/*
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* __store_fsync.
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*/
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inline storeError __store_fsync (HSTORE h)
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{
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if (!::FlushFileBuffers (h))
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return ERROR_FROM_NATIVE(::GetLastError());
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else
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return store_E_None;
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}
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/*
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* __store_fclose.
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*/
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inline storeError __store_fclose (HSTORE h)
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{
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if (!::CloseHandle (h))
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return ERROR_FROM_NATIVE(::GetLastError());
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else
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return store_E_None;
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}
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#endif /* INCLUDED_STORE_FILEW32_HXX */
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