vcl/source/gdi/pdfwriter_impl2.cxx | 16 ++++++++++++---- 1 file changed, 12 insertions(+), 4 deletions(-)
New commits: commit c2003c73d71001fcb66fb86a15cde82e60aa242a Author: Caolán McNamara <[email protected]> Date: Sat May 5 21:19:24 2012 +0100 Related: fdo#47511 valgrind: invalid read of size 1 Change-Id: Icca307c1a9ac47201e4cd0069feb699bae2ae359 diff --git a/vcl/source/gdi/pdfwriter_impl2.cxx b/vcl/source/gdi/pdfwriter_impl2.cxx index 71378a6..4ba5e2c 100644 --- a/vcl/source/gdi/pdfwriter_impl2.cxx +++ b/vcl/source/gdi/pdfwriter_impl2.cxx @@ -1666,12 +1666,20 @@ long findBitRun( const Scanline i_pLine, long i_nStartIndex, long i_nW, bool i_b pRunTable = unsetRun; } - while( nByte == nRunByte && nIndex < i_nW ) + if( nIndex < i_nW ) { - nIndex += 8; - pByte++; - nByte = *pByte; + while( nByte == nRunByte ) + { + nIndex += 8; + + if (nIndex >= i_nW) + break; + + pByte++; + nByte = *pByte; + } } + if( nIndex < i_nW ) { nIndex += pRunTable[nByte];
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