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-rw-r--r--xmlhelp/source/cxxhelp/provider/urlparameter.hxx15
1 files changed, 9 insertions, 6 deletions
diff --git a/xmlhelp/source/cxxhelp/provider/urlparameter.hxx b/xmlhelp/source/cxxhelp/provider/urlparameter.hxx
index ba8f29c820ff..05bca6d8451f 100644
--- a/xmlhelp/source/cxxhelp/provider/urlparameter.hxx
+++ b/xmlhelp/source/cxxhelp/provider/urlparameter.hxx
@@ -43,7 +43,6 @@ namespace chelp {
{
}
-
OUString getHash()
{
if( m_ptr )
@@ -88,11 +87,15 @@ namespace chelp {
if( ! m_ptr )
return OUString();
- sal_Int32 sizeOfTitle =
- ( sal_Int32 ) m_ptr[ 2 + m_ptr[0] + ( sal_Int32 ) m_ptr[ 1+ ( sal_Int32 ) m_ptr[0] ] ];
- return OUString( m_ptr + 3 + m_ptr[0] + ( sal_Int32 ) m_ptr[ 1+ ( sal_Int32 ) m_ptr[0] ],
- sizeOfTitle,
- RTL_TEXTENCODING_UTF8 );
+ //fdo#82025 - use strlen instead of stored length byte to determine string len
+ //There is a one byte length field at m_ptr[2 + m_ptr[0] + m_ptr[1
+ //+ m_ptr[0]]] but by default sal_Char is signed so anything larger
+ //than 127 defaults to a negative value, casting it would allow up
+ //to 255 but instead make use of the null termination to avoid
+ //running into a later problem with strings >= 255
+ const sal_Char* pTitle = m_ptr + 3 + m_ptr[0] + ( sal_Int32 ) m_ptr[ 1+ ( sal_Int32 ) m_ptr[0] ];
+
+ return OUString(pTitle, rtl_str_getLength(pTitle), RTL_TEXTENCODING_UTF8);
}