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0027522: Foundation Classes, FSD_BinaryFile - incorrect size check in a stream

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FSD_BinaryFile::ReadExtendedString() now compares read bytes, not symbols.
This commit is contained in:
kgv 2016-05-27 16:00:05 +03:00 committed by bugmaster
parent 1e7ac41bf8
commit 402cfabc21
1 changed files with 4 additions and 4 deletions
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8
src/FSD/FSD_BinaryFile.cxx
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@ -1639,13 +1639,13 @@ void FSD_BinaryFile::ReadExtendedString (Standard_IStream& theIStream, TCollecti
Storage_StreamReadError::Raise(); Storage_StreamReadError::Raise();
} }
theIStream.read ((char *)c, size*sizeof(Standard_ExtCharacter)); const std::streamsize aNbBytes = std::streamsize(sizeof(Standard_ExtCharacter) * size);
theIStream.read ((char *)c, aNbBytes);
if (theIStream.gcount() != size) if (theIStream.gcount() != aNbBytes)
{ {
Storage_StreamReadError::Raise(); Storage_StreamReadError::Raise();
} }
c[size] = '\0'; c[size] = '\0';
#if OCCT_BINARY_FILE_DO_INVERSE #if OCCT_BINARY_FILE_DO_INVERSE