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Validate pool block has the right size before calling placement new

This commit is contained in:
Dmitry-Me 2014-12-10 09:10:27 +03:00
parent f0e8fac4ee
commit e6a95ce50e
1 changed files with 13 additions and 0 deletions
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13
tinyxml2.cpp
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@ -534,16 +534,19 @@ char* XMLDocument::Identify( char* p, XMLNode** node )
#endif
XMLNode* returnNode = 0;
if ( XMLUtil::StringEqual( p, xmlHeader, xmlHeaderLen ) ) {
TIXMLASSERT( sizeof( XMLDeclaration ) == _commentPool.ItemSize() );
returnNode = new (_commentPool.Alloc()) XMLDeclaration( this );
returnNode->_memPool = &_commentPool;
p += xmlHeaderLen;
}
else if ( XMLUtil::StringEqual( p, commentHeader, commentHeaderLen ) ) {
TIXMLASSERT( sizeof( XMLComment ) == _commentPool.ItemSize() );
returnNode = new (_commentPool.Alloc()) XMLComment( this );
returnNode->_memPool = &_commentPool;
p += commentHeaderLen;
}
else if ( XMLUtil::StringEqual( p, cdataHeader, cdataHeaderLen ) ) {
TIXMLASSERT( sizeof( XMLText ) == _textPool.ItemSize() );
XMLText* text = new (_textPool.Alloc()) XMLText( this );
returnNode = text;
returnNode->_memPool = &_textPool;
@ -551,16 +554,19 @@ char* XMLDocument::Identify( char* p, XMLNode** node )
text->SetCData( true );
}
else if ( XMLUtil::StringEqual( p, dtdHeader, dtdHeaderLen ) ) {
TIXMLASSERT( sizeof( XMLUnknown ) == _commentPool.ItemSize() );
returnNode = new (_commentPool.Alloc()) XMLUnknown( this );
returnNode->_memPool = &_commentPool;
p += dtdHeaderLen;
}
else if ( XMLUtil::StringEqual( p, elementHeader, elementHeaderLen ) ) {
TIXMLASSERT( sizeof( XMLElement ) == _elementPool.ItemSize() );
returnNode = new (_elementPool.Alloc()) XMLElement( this );
returnNode->_memPool = &_elementPool;
p += elementHeaderLen;
}
else {
TIXMLASSERT( sizeof( XMLText ) == _textPool.ItemSize() );
returnNode = new (_textPool.Alloc()) XMLText( this );
returnNode->_memPool = &_textPool;
p = start; // Back it up, all the text counts.
@ -1423,6 +1429,7 @@ XMLAttribute* XMLElement::FindOrCreateAttribute( const char* name )
}
}
if ( !attrib ) {
TIXMLASSERT( sizeof( XMLAttribute ) == _document->_attributePool.ItemSize() );
attrib = new (_document->_attributePool.Alloc() ) XMLAttribute();
attrib->_memPool = &_document->_attributePool;
if ( last ) {
@ -1472,6 +1479,7 @@ char* XMLElement::ParseAttributes( char* p )
// attribute.
if (XMLUtil::IsNameStartChar( *p ) ) {
TIXMLASSERT( sizeof( XMLAttribute ) == _document->_attributePool.ItemSize() );
XMLAttribute* attrib = new (_document->_attributePool.Alloc() ) XMLAttribute();
attrib->_memPool = &_document->_attributePool;
attrib->_memPool->SetTracked();
@ -1693,6 +1701,7 @@ void XMLDocument::Clear()
XMLElement* XMLDocument::NewElement( const char* name )
{
TIXMLASSERT( sizeof( XMLElement ) == _elementPool.ItemSize() );
XMLElement* ele = new (_elementPool.Alloc()) XMLElement( this );
ele->_memPool = &_elementPool;
ele->SetName( name );
@ -1702,6 +1711,7 @@ XMLElement* XMLDocument::NewElement( const char* name )
XMLComment* XMLDocument::NewComment( const char* str )
{
TIXMLASSERT( sizeof( XMLComment ) == _commentPool.ItemSize() );
XMLComment* comment = new (_commentPool.Alloc()) XMLComment( this );
comment->_memPool = &_commentPool;
comment->SetValue( str );
@ -1711,6 +1721,7 @@ XMLComment* XMLDocument::NewComment( const char* str )
XMLText* XMLDocument::NewText( const char* str )
{
TIXMLASSERT( sizeof( XMLText ) == _textPool.ItemSize() );
XMLText* text = new (_textPool.Alloc()) XMLText( this );
text->_memPool = &_textPool;
text->SetValue( str );
@ -1720,6 +1731,7 @@ XMLText* XMLDocument::NewText( const char* str )
XMLDeclaration* XMLDocument::NewDeclaration( const char* str )
{
TIXMLASSERT( sizeof( XMLDeclaration ) == _commentPool.ItemSize() );
XMLDeclaration* dec = new (_commentPool.Alloc()) XMLDeclaration( this );
dec->_memPool = &_commentPool;
dec->SetValue( str ? str : "xml version=\"1.0\" encoding=\"UTF-8\"" );
@ -1729,6 +1741,7 @@ XMLDeclaration* XMLDocument::NewDeclaration( const char* str )
XMLUnknown* XMLDocument::NewUnknown( const char* str )
{
TIXMLASSERT( sizeof( XMLUnknown ) == _commentPool.ItemSize() );
XMLUnknown* unk = new (_commentPool.Alloc()) XMLUnknown( this );
unk->_memPool = &_commentPool;
unk->SetValue( str );