262 lines
6.5 KiB
C++
262 lines
6.5 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: fileos2.hxx,v $
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*
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* $Revision: 1.4 $
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*
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* last change: $Author: rt $ $Date: 2005-09-08 08:41:12 $
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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_FILEOS2_HXX
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#define INCLUDED_STORE_FILEOS2_HXX
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#define INCL_DOS
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#define INCL_DOSERRORS
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#include <os2def.h>
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#include <bsedos.h>
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#include <bseerr.h>
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typedef HFILE 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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{ NO_ERROR, store_E_None },
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{ ERROR_FILE_NOT_FOUND, store_E_NotExists },
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{ ERROR_PATH_NOT_FOUND, store_E_NotExists },
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{ ERROR_ACCESS_DENIED, store_E_AccessViolation },
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{ ERROR_SHARING_VIOLATION, store_E_AccessViolation },
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{ ERROR_LOCK_VIOLATION, store_E_LockingViolation },
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{ ERROR_INVALID_ACCESS, store_E_InvalidAccess },
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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_FILENAME_EXCED_RANGE, store_E_NameTooLong },
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{ ERROR_TOO_MANY_OPEN_FILES, store_E_NoMoreFiles }
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};
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/*
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* __store_errno.
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*/
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inline sal_Int32 __store_errno (void)
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{
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return (sal_Int32)errno;
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}
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/*
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* __store_malign (unsupported).
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*/
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inline sal_uInt32 __store_malign (void)
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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, unsupported).
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*/
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inline HSTORE __store_fmap (HSTORE hFile)
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{
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return ((HSTORE)0);
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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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}
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/*
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* __store_mmap (readonly, unsupported).
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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*)NULL;
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}
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/*
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* __store_munmap (unsupported).
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*/
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inline void __store_munmap (sal_uInt8 *p, sal_uInt32 n)
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{
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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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// Initialize [out] param.
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rhFile = 0;
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// Access mode.
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sal_uInt32 nAccessMode = OPEN_ACCESS_READONLY;
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if (nMode & store_File_OpenWrite)
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nAccessMode = OPEN_ACCESS_READWRITE;
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if (nAccessMode == OPEN_ACCESS_READONLY)
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{
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nMode |= store_File_OpenNoCreate;
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nMode &= ~store_File_OpenTruncate;
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}
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// Share mode.
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sal_uInt32 nShareMode = OPEN_SHARE_DENYNONE;
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if (nMode & store_File_OpenWrite)
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nShareMode = OPEN_SHARE_DENYWRITE;
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// Open action.
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sal_uInt32 nOpenAction = 0, nDoneAction = 0;
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if (!(nMode & store_File_OpenNoCreate))
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nOpenAction = OPEN_ACTION_CREATE_IF_NEW; // Open always.
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else
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nOpenAction = OPEN_ACTION_FAIL_IF_NEW; // Open existing.
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if (nMode & store_File_OpenTruncate)
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nOpenAction |= OPEN_ACTION_REPLACE_IF_EXISTS;
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else
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nOpenAction |= OPEN_ACTION_OPEN_IF_EXISTS;
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// Create file handle.
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APIRET result = ::DosOpen (
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pszName,
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&rhFile,
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&nDoneAction,
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0L,
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FILE_NORMAL,
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nOpenAction,
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nAccessMode | nShareMode | OPEN_FLAGS_NOINHERIT,
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0L);
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// Check result.
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if (result)
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return ERROR_FROM_NATIVE(result);
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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_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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APIRET result;
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if ((result = ::DosSetFilePtr (h, (long)offset, FILE_BEGIN, &k)) != 0)
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return ERROR_FROM_NATIVE(result);
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if ((result = ::DosRead (h, p, n, &k)) != 0)
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return ERROR_FROM_NATIVE(result);
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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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APIRET result;
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if ((result = ::DosSetFilePtr (h, (long)offset, FILE_BEGIN, &k)) != 0)
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return ERROR_FROM_NATIVE(result);
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if ((result = ::DosWrite (h, (PVOID)p, n, &k)) != 0)
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return ERROR_FROM_NATIVE(result);
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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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sal_uInt32 k = 0;
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APIRET result = ::DosSetFilePtr (h, (long)n, FILE_BEGIN, &k);
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if (result)
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return ERROR_FROM_NATIVE(result);
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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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APIRET result = ::DosSetFilePtr (h, 0L, FILE_END, &k);
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if (result)
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return ERROR_FROM_NATIVE(result);
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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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APIRET result = ::DosSetFileSize (h, n);
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if (result)
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return ERROR_FROM_NATIVE(result);
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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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APIRET result = ::DosResetBuffer (h);
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if (result)
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return ERROR_FROM_NATIVE(result);
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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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APIRET result = ::DosClose (h);
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if (result)
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return ERROR_FROM_NATIVE(result);
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else
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return store_E_None;
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}
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#endif /* INCLUDED_STORE_FILEOS2_HXX */
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