266 lines
6.5 KiB
C++
266 lines
6.5 KiB
C++
/*************************************************************************
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*
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* $RCSfile: filestd.hxx,v $
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*
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* $Revision: 1.2 $
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*
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* last change: $Author: hr $ $Date: 2003-03-27 14:06:32 $
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*
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* The Contents of this file are made available subject to the terms of
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* either of the following licenses
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*
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* - GNU Lesser General Public License Version 2.1
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* - Sun Industry Standards Source License Version 1.1
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*
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* Sun Microsystems Inc., October, 2000
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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 2000 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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* Sun Industry Standards Source License Version 1.1
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* =================================================
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* The contents of this file are subject to the Sun Industry Standards
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* Source License Version 1.1 (the "License"); You may not use this file
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* except in compliance with the License. You may obtain a copy of the
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* License at http://www.openoffice.org/license.html.
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*
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* Software provided under this License is provided on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
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* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
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* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
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* See the License for the specific provisions governing your rights and
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* obligations concerning the Software.
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*
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* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
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*
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* Copyright: 2000 by Sun Microsystems, Inc.
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*
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* All Rights Reserved.
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*
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* Contributor(s): _______________________________________
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*
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*
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************************************************************************/
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#ifndef INCLUDED_STORE_FILESTD_HXX
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#define INCLUDED_STORE_FILESTD_HXX
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#ifndef INCLUDED_ERRNO_H
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#include <errno.h>
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#define INCLUDED_ERRNO_H
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#endif
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#ifndef INCLUDED_STDIO_H
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#include <stdio.h>
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#define INCLUDED_STDIO_H
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#endif
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typedef FILE* 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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{ 0, store_E_None },
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{ ENOENT, store_E_NotExists },
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{ EACCES, store_E_AccessViolation },
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{ EPERM, store_E_AccessViolation },
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{ EAGAIN, store_E_LockingViolation },
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{ EDEADLOCK, store_E_LockingViolation },
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{ EBADF, store_E_InvalidHandle },
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{ EINVAL, store_E_InvalidParameter },
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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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// Access mode.
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if (!(nMode & store_File_OpenWrite))
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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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// Create file handle.
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if (nMode & store_File_OpenTruncate)
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{
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// Create always, truncate existing.
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rhFile = fopen (pszName, "wb+");
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}
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else if (nMode & store_File_OpenWrite)
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{
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// Open existing (rw).
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rhFile = fopen (pszName, "rb+");
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if (!(rhFile || (nMode & store_File_OpenNoCreate)))
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{
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// Try create (rw).
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rhFile = fopen (pszName, "wb+");
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}
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}
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else
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{
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// Open existing (ro).
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rhFile = fopen (pszName, "rb");
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}
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// Check result.
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if (!rhFile)
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return ERROR_FROM_NATIVE(errno);
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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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if (::fseek (h, (long)offset, SEEK_SET) < 0)
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return ERROR_FROM_NATIVE(errno);
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k = (sal_uInt32)::fread (p, (size_t)1, (size_t)n, h);
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if (k == (sal_uInt32)(-1))
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return ERROR_FROM_NATIVE(errno);
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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 (::fseek (h, (long)offset, SEEK_SET) < 0)
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return ERROR_FROM_NATIVE(errno);
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k = (sal_uInt32)::fwrite (p, (size_t)1, (size_t)n, h);
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if (k == (sal_uInt32)(-1))
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return ERROR_FROM_NATIVE(errno);
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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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if (::fseek (h, (long)n, SEEK_SET) < 0)
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return ERROR_FROM_NATIVE(errno);
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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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if (::fseek (h, 0, SEEK_END) < 0)
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return ERROR_FROM_NATIVE(errno);
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k = (sal_uInt32)::ftell (h);
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if (k == (sal_uInt32)(-1))
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return ERROR_FROM_NATIVE(errno);
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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 (unsupported).
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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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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 void __store_fsync (HSTORE h)
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{
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::fflush (h);
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}
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/*
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* __store_fclose.
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*/
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inline void __store_fclose (HSTORE h)
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{
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::fclose (h);
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}
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#endif /* INCLUDED_STORE_FILESTD_HXX */
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