5e3af4aec4
> sal/rtl/byteseq.cxx: In function ‘void rtl_byte_sequence_reference2One(sal_Sequence**)’: > sal/rtl/byteseq.cxx:63:20: error: allocation of insufficient size ‘8’ for type ‘sal_Sequence’ {aka ‘_sal_Sequence’} with size ‘12’ [-Werror=alloc-size] > 63 | pNew = static_cast<sal_Sequence *>(malloc( SAL_SEQUENCE_HEADER_SIZE )); > | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Change-Id: I9d4081ed2938fffdf282c852250a3eed5f0d9e25 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/161269 Tested-by: Jenkins Reviewed-by: Stephan Bergmann <stephan.bergmann@allotropia.de>
253 lines
6.8 KiB
C++
253 lines
6.8 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <assert.h>
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#include <string.h>
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#include <stdlib.h>
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#include <osl/diagnose.h>
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#include <osl/interlck.h>
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#include <rtl/byteseq.h>
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/* static data to be referenced by all empty strings
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* the refCount is predefined to 1 and must never become 0 !
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*/
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static sal_Sequence aEmpty_rtl_ByteSeq =
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{
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1, /* sal_Int32 refCount; */
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0, /* sal_Int32 length; */
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{ 0 } /* sal_Unicode buffer[1]; */
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};
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void SAL_CALL rtl_byte_sequence_reference2One(
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sal_Sequence ** ppSequence ) SAL_THROW_EXTERN_C()
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{
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sal_Sequence * pSequence;
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OSL_ENSURE( ppSequence, "### null ptr!" );
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pSequence = *ppSequence;
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if (pSequence->nRefCount > 1)
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{
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sal_Sequence *pNew;
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sal_Int32 nElements = pSequence->nElements;
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if (nElements)
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{
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pNew = static_cast<sal_Sequence *>(malloc( SAL_SEQUENCE_HEADER_SIZE + nElements ));
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if ( pNew != nullptr )
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memcpy( pNew->elements, pSequence->elements, nElements );
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if (! osl_atomic_decrement( &pSequence->nRefCount ))
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free( pSequence );
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}
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else
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{
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#if defined __GNUC__ && !defined __clang__ && __GNUC__ >= 14
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#pragma GCC diagnostic push
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#pragma GCC diagnostic ignored "-Walloc-size"
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#endif
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pNew = static_cast<sal_Sequence *>(malloc( SAL_SEQUENCE_HEADER_SIZE ));
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#if defined __GNUC__ && !defined __clang__ && __GNUC__ >= 14
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#pragma GCC diagnostic pop
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#endif
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}
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if ( pNew != nullptr )
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{
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pNew->nRefCount = 1;
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pNew->nElements = nElements;
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}
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*ppSequence = pNew;
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}
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}
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void SAL_CALL rtl_byte_sequence_realloc(
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sal_Sequence ** ppSequence, sal_Int32 nSize ) SAL_THROW_EXTERN_C()
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{
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sal_Sequence * pSequence;
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sal_Int32 nElements;
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assert(ppSequence && "### null ptr!");
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pSequence = *ppSequence;
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nElements = pSequence->nElements;
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if (nElements == nSize)
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return;
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if (pSequence->nRefCount > 1) // split
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{
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sal_Sequence *pNew = static_cast<sal_Sequence *>(malloc( SAL_SEQUENCE_HEADER_SIZE + nSize ));
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if ( pNew != nullptr )
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{
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if (nSize > nElements)
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{
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memcpy( pNew->elements, pSequence->elements, nElements );
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memset( pNew->elements + nElements, 0, nSize - nElements );
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}
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else
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{
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memcpy( pNew->elements, pSequence->elements, nSize );
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}
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}
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if (! osl_atomic_decrement( &pSequence->nRefCount ))
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free( pSequence );
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pSequence = pNew;
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}
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else
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{
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pSequence = static_cast<sal_Sequence *>(realloc(
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pSequence, SAL_SEQUENCE_HEADER_SIZE + nSize ));
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}
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if ( pSequence != nullptr )
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{
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pSequence->nRefCount = 1;
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pSequence->nElements = nSize;
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}
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*ppSequence = pSequence;
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}
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void SAL_CALL rtl_byte_sequence_acquire( sal_Sequence *pSequence )
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SAL_THROW_EXTERN_C()
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{
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OSL_ASSERT( pSequence );
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osl_atomic_increment( &(pSequence->nRefCount) );
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}
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void SAL_CALL rtl_byte_sequence_release( sal_Sequence *pSequence )
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SAL_THROW_EXTERN_C()
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{
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if ( pSequence != nullptr )
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{
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if (! osl_atomic_decrement( &(pSequence->nRefCount )) )
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{
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free( pSequence );
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}
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}
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}
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void SAL_CALL rtl_byte_sequence_construct( sal_Sequence **ppSequence , sal_Int32 nLength )
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SAL_THROW_EXTERN_C()
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{
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OSL_ASSERT( ppSequence );
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if( *ppSequence )
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{
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rtl_byte_sequence_release( *ppSequence );
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*ppSequence = nullptr;
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}
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if( nLength )
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{
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*ppSequence = static_cast<sal_Sequence *>(rtl_allocateZeroMemory( SAL_SEQUENCE_HEADER_SIZE + nLength ));
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if ( *ppSequence != nullptr )
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{
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(*ppSequence)->nRefCount = 1;
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(*ppSequence)->nElements = nLength;
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}
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}
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else
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{
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*ppSequence = &aEmpty_rtl_ByteSeq;
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rtl_byte_sequence_acquire( *ppSequence );
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}
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}
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void SAL_CALL rtl_byte_sequence_constructNoDefault( sal_Sequence **ppSequence , sal_Int32 nLength )
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SAL_THROW_EXTERN_C()
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{
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OSL_ASSERT( ppSequence );
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if( *ppSequence )
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{
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rtl_byte_sequence_release( *ppSequence );
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*ppSequence = nullptr;
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}
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*ppSequence = static_cast<sal_Sequence *>(malloc( SAL_SEQUENCE_HEADER_SIZE + nLength ));
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if ( *ppSequence != nullptr )
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{
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(*ppSequence)->nRefCount = 1;
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(*ppSequence)->nElements = nLength;
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}
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}
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void SAL_CALL rtl_byte_sequence_constructFromArray(
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sal_Sequence **ppSequence, const sal_Int8 *pData , sal_Int32 nLength )
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SAL_THROW_EXTERN_C()
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{
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rtl_byte_sequence_constructNoDefault( ppSequence , nLength );
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if ( *ppSequence != nullptr && nLength != 0 )
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memcpy( (*ppSequence)->elements, pData, nLength );
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}
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void SAL_CALL rtl_byte_sequence_assign( sal_Sequence **ppSequence , sal_Sequence *pSequence )
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SAL_THROW_EXTERN_C()
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{
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if ( *ppSequence != pSequence)
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{
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if( *ppSequence )
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{
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rtl_byte_sequence_release( *ppSequence );
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}
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*ppSequence = pSequence;
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rtl_byte_sequence_acquire( *ppSequence );
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}
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// else
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// nothing to do
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}
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sal_Bool SAL_CALL rtl_byte_sequence_equals( sal_Sequence *pSequence1 , sal_Sequence *pSequence2 )
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SAL_THROW_EXTERN_C()
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{
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assert(pSequence1 && pSequence2);
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if (pSequence1 == pSequence2)
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{
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return true;
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}
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if (pSequence1->nElements != pSequence2->nElements)
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{
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return false;
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}
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return
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memcmp(
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pSequence1->elements, pSequence2->elements, pSequence1->nElements )
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== 0;
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}
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const sal_Int8 *SAL_CALL rtl_byte_sequence_getConstArray( sal_Sequence *pSequence )
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SAL_THROW_EXTERN_C()
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{
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return reinterpret_cast<sal_Int8*>(pSequence->elements);
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}
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sal_Int32 SAL_CALL rtl_byte_sequence_getLength( sal_Sequence *pSequence )
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SAL_THROW_EXTERN_C()
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{
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return pSequence->nElements;
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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