263 lines
8.4 KiB
C
263 lines
8.4 KiB
C
/*************************************************************************
|
|
*
|
|
* $RCSfile: byteseq.c,v $
|
|
*
|
|
* $Revision: 1.4 $
|
|
*
|
|
* last change: $Author: dbo $ $Date: 2002-04-26 09:12:54 $
|
|
*
|
|
* The Contents of this file are made available subject to the terms of
|
|
* either of the following licenses
|
|
*
|
|
* - GNU Lesser General Public License Version 2.1
|
|
* - Sun Industry Standards Source License Version 1.1
|
|
*
|
|
* Sun Microsystems Inc., October, 2000
|
|
*
|
|
* GNU Lesser General Public License Version 2.1
|
|
* =============================================
|
|
* Copyright 2000 by Sun Microsystems, Inc.
|
|
* 901 San Antonio Road, Palo Alto, CA 94303, USA
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License version 2.1, as published by the Free Software Foundation.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
|
* MA 02111-1307 USA
|
|
*
|
|
*
|
|
* Sun Industry Standards Source License Version 1.1
|
|
* =================================================
|
|
* The contents of this file are subject to the Sun Industry Standards
|
|
* Source License Version 1.1 (the "License"); You may not use this file
|
|
* except in compliance with the License. You may obtain a copy of the
|
|
* License at http://www.openoffice.org/license.html.
|
|
*
|
|
* Software provided under this License is provided on an "AS IS" basis,
|
|
* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
|
|
* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
|
|
* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
|
|
* See the License for the specific provisions governing your rights and
|
|
* obligations concerning the Software.
|
|
*
|
|
* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
|
|
*
|
|
* Copyright: 2000 by Sun Microsystems, Inc.
|
|
*
|
|
* All Rights Reserved.
|
|
*
|
|
* Contributor(s): _______________________________________
|
|
*
|
|
*
|
|
************************************************************************/
|
|
|
|
#include <osl/diagnose.h>
|
|
#include <osl/interlck.h>
|
|
|
|
#include <rtl/byteseq.h>
|
|
#include <rtl/alloc.h>
|
|
#include <rtl/memory.h>
|
|
|
|
/* static data to be referenced by all empty strings
|
|
* the refCount is predefined to 1 and must never become 0 !
|
|
*/
|
|
static sal_Sequence aEmpty_rtl_ByteSeq =
|
|
{
|
|
1, /* sal_Int32 refCount; */
|
|
0, /* sal_Int32 length; */
|
|
{ 0 } /* sal_Unicode buffer[1]; */
|
|
};
|
|
|
|
//==================================================================================================
|
|
void SAL_CALL rtl_byte_sequence_reference2One(
|
|
sal_Sequence ** ppSequence )
|
|
{
|
|
sal_Sequence * pSequence, * pNew;
|
|
sal_Int32 nElements;
|
|
|
|
OSL_ENSURE( ppSequence, "### null ptr!" );
|
|
pSequence = *ppSequence;
|
|
|
|
if (pSequence->nRefCount > 1)
|
|
{
|
|
nElements = pSequence->nElements;
|
|
if (nElements)
|
|
{
|
|
pNew = (sal_Sequence *)rtl_allocateMemory( SAL_SEQUENCE_HEADER_SIZE + nElements );
|
|
|
|
rtl_copyMemory( pNew->elements, pSequence->elements, nElements );
|
|
|
|
if (! osl_decrementInterlockedCount( &pSequence->nRefCount ))
|
|
rtl_freeMemory( pSequence );
|
|
}
|
|
else
|
|
{
|
|
pNew = (sal_Sequence *)rtl_allocateMemory( SAL_SEQUENCE_HEADER_SIZE );
|
|
}
|
|
|
|
pNew->nRefCount = 1;
|
|
pNew->nElements = nElements;
|
|
*ppSequence = pNew;
|
|
}
|
|
}
|
|
|
|
//==================================================================================================
|
|
void SAL_CALL rtl_byte_sequence_realloc(
|
|
sal_Sequence ** ppSequence, sal_Int32 nSize )
|
|
{
|
|
sal_Sequence * pSequence, * pNew;
|
|
sal_Int32 nElements;
|
|
|
|
OSL_ENSURE( ppSequence, "### null ptr!" );
|
|
pSequence = *ppSequence;
|
|
nElements = pSequence->nElements;
|
|
|
|
if (nElements == nSize)
|
|
return;
|
|
|
|
if (pSequence->nRefCount > 1) // split
|
|
{
|
|
pNew = (sal_Sequence *)rtl_allocateMemory( SAL_SEQUENCE_HEADER_SIZE + nSize );
|
|
|
|
if (nSize > nElements)
|
|
{
|
|
rtl_copyMemory( pNew->elements, pSequence->elements, nElements );
|
|
rtl_zeroMemory( pNew->elements + nElements, nSize - nElements );
|
|
}
|
|
else
|
|
{
|
|
rtl_copyMemory( pNew->elements, pSequence->elements, nSize );
|
|
}
|
|
|
|
if (! osl_decrementInterlockedCount( &pSequence->nRefCount ))
|
|
rtl_freeMemory( pSequence );
|
|
|
|
pSequence = pNew;
|
|
}
|
|
else
|
|
{
|
|
pSequence = (sal_Sequence *)rtl_reallocateMemory(
|
|
pSequence, SAL_SEQUENCE_HEADER_SIZE + nSize );
|
|
}
|
|
pSequence->nRefCount = 1;
|
|
pSequence->nElements = nSize;
|
|
*ppSequence = pSequence;
|
|
}
|
|
|
|
//==================================================================================================
|
|
void SAL_CALL rtl_byte_sequence_acquire( sal_Sequence *pSequence )
|
|
{
|
|
OSL_ASSERT( pSequence );
|
|
osl_incrementInterlockedCount( &(pSequence->nRefCount) );
|
|
}
|
|
|
|
//==================================================================================================
|
|
void SAL_CALL rtl_byte_sequence_release( sal_Sequence *pSequence )
|
|
{
|
|
OSL_ASSERT( pSequence );
|
|
if (! osl_decrementInterlockedCount( &(pSequence->nRefCount )) )
|
|
{
|
|
rtl_freeMemory( pSequence );
|
|
}
|
|
}
|
|
|
|
//==================================================================================================
|
|
void SAL_CALL rtl_byte_sequence_construct( sal_Sequence **ppSequence , sal_Int32 nLength )
|
|
{
|
|
OSL_ASSERT( ppSequence );
|
|
if( *ppSequence )
|
|
{
|
|
rtl_byte_sequence_release( *ppSequence );
|
|
*ppSequence = 0;
|
|
}
|
|
|
|
if( nLength )
|
|
{
|
|
*ppSequence = (sal_Sequence *) rtl_allocateZeroMemory( SAL_SEQUENCE_HEADER_SIZE + nLength );
|
|
|
|
(*ppSequence)->nRefCount = 1;
|
|
(*ppSequence)->nElements = nLength;
|
|
}
|
|
else
|
|
{
|
|
*ppSequence = &aEmpty_rtl_ByteSeq;
|
|
rtl_byte_sequence_acquire( *ppSequence );
|
|
}
|
|
}
|
|
|
|
//==================================================================================================
|
|
void SAL_CALL rtl_byte_sequence_constructNoDefault( sal_Sequence **ppSequence , sal_Int32 nLength )
|
|
{
|
|
OSL_ASSERT( ppSequence );
|
|
if( *ppSequence )
|
|
{
|
|
rtl_byte_sequence_release( *ppSequence );
|
|
*ppSequence = 0;
|
|
}
|
|
*ppSequence = (sal_Sequence *) rtl_allocateMemory( SAL_SEQUENCE_HEADER_SIZE + nLength );
|
|
|
|
(*ppSequence)->nRefCount = 1;
|
|
(*ppSequence)->nElements = nLength;
|
|
}
|
|
|
|
//==================================================================================================
|
|
void SAL_CALL rtl_byte_sequence_constructFromArray(
|
|
sal_Sequence **ppSequence, const sal_Int8 *pData , sal_Int32 nLength )
|
|
{
|
|
rtl_byte_sequence_constructNoDefault( ppSequence , nLength );
|
|
rtl_copyMemory( (*ppSequence)->elements, pData, nLength );
|
|
}
|
|
|
|
//==================================================================================================
|
|
void SAL_CALL rtl_byte_sequence_assign( sal_Sequence **ppSequence , sal_Sequence *pSequence )
|
|
{
|
|
if ( *ppSequence != pSequence)
|
|
{
|
|
if( *ppSequence )
|
|
{
|
|
rtl_byte_sequence_release( *ppSequence );
|
|
}
|
|
*ppSequence = pSequence;
|
|
rtl_byte_sequence_acquire( *ppSequence );
|
|
}
|
|
// else
|
|
// nothing to do
|
|
|
|
}
|
|
|
|
//==================================================================================================
|
|
sal_Bool SAL_CALL rtl_byte_sequence_equals( sal_Sequence *pSequence1 , sal_Sequence *pSequence2 )
|
|
{
|
|
OSL_ASSERT( pSequence1 );
|
|
OSL_ASSERT( pSequence2 );
|
|
if (pSequence1 == pSequence2)
|
|
{
|
|
return sal_True;
|
|
}
|
|
if (pSequence1->nElements != pSequence2->nElements)
|
|
{
|
|
return sal_False;
|
|
}
|
|
return (0 == rtl_compareMemory( pSequence1->elements, pSequence2->elements, pSequence1->nElements ));
|
|
}
|
|
|
|
|
|
//==================================================================================================
|
|
const sal_Int8 *SAL_CALL rtl_byte_sequence_getConstArray( sal_Sequence *pSequence )
|
|
{
|
|
return pSequence->elements;
|
|
}
|
|
|
|
//==================================================================================================
|
|
sal_Int32 SAL_CALL rtl_byte_sequence_getLength( sal_Sequence *pSequence )
|
|
{
|
|
return pSequence->nElements;
|
|
}
|