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ofz: Z_NEED_DICT is unsupported

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Change-Id: Ib0945d5a4606915aff9ee3019203caaf2a3cc7c5
This commit is contained in:
Caolán McNamara 2017-03-01 11:12:45 +00:00
parent c70081972c
commit aacaacc169
3 changed files with 4 additions and 3 deletions
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2
tools/source/zcodec/zcodec.cxx
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@ -222,7 +222,7 @@ long ZCodec::Read( SvStream& rIStm, sal_uInt8* pData, sal_uInt32 nSize )
}
err = mbStatus ? inflate(PZSTREAM, Z_NO_FLUSH) : Z_ERRNO;
if ( err < 0 )
if (err < 0 || err == Z_NEED_DICT)
{
// Accept Z_BUF_ERROR as EAGAIN or EWOULDBLOCK.
mbStatus = (err == Z_BUF_ERROR);

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vcl/qa/cppunit/graphicfilter/data/bmp/fail/nodict-compress.bmp Normal file
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5
vcl/source/gdi/dibtools.cxx
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@ -841,7 +841,8 @@ bool ImplReadDIBBody( SvStream& rIStm, Bitmap& rBmp, AlphaMask* pBmpAlpha, sal_u
// Seek behind the encoded block. There might have been bytes left or the codec might have read more than necessary.
rIStm.Seek(nCodedSize + nCodedPos);
}
else
if (aData.empty())
{
// add something so we can take address of the first element
aData.resize(1);
@ -850,7 +851,7 @@ bool ImplReadDIBBody( SvStream& rIStm, Bitmap& rBmp, AlphaMask* pBmpAlpha, sal_u
// set decoded bytes to memory stream,
// from which we will read the bitmap data
pMemStm.reset( new SvMemoryStream);
pMemStm.reset(new SvMemoryStream);
pIStm = pMemStm.get();
assert(!aData.empty());
pMemStm->SetBuffer(aData.data(), nUncodedSize, nUncodedSize);