diff options
Diffstat (limited to 'lib/Support/Compression.cpp')
-rw-r--r-- | lib/Support/Compression.cpp | 17 |
1 files changed, 6 insertions, 11 deletions
diff --git a/lib/Support/Compression.cpp b/lib/Support/Compression.cpp index 5e5336144a..329a402a07 100644 --- a/lib/Support/Compression.cpp +++ b/lib/Support/Compression.cpp @@ -65,18 +65,13 @@ zlib::Status zlib::compress(StringRef InputBuffer, } zlib::Status zlib::uncompress(StringRef InputBuffer, - std::unique_ptr<MemoryBuffer> &UncompressedBuffer, + SmallVectorImpl<char> &UncompressedBuffer, size_t UncompressedSize) { - std::unique_ptr<char[]> TmpBuffer(new char[UncompressedSize]); - Status Res = encodeZlibReturnValue( - ::uncompress((Bytef *)TmpBuffer.get(), (uLongf *)&UncompressedSize, - (const Bytef *)InputBuffer.data(), InputBuffer.size())); - if (Res == StatusOK) { - UncompressedBuffer.reset(MemoryBuffer::getMemBufferCopy( - StringRef(TmpBuffer.get(), UncompressedSize))); - // Tell MSan that memory initialized by zlib is valid. - __msan_unpoison(UncompressedBuffer->getBufferStart(), UncompressedSize); - } + UncompressedBuffer.resize(UncompressedSize); + Status Res = encodeZlibReturnValue(::uncompress( + (Bytef *)UncompressedBuffer.data(), (uLongf *)&UncompressedSize, + (const Bytef *)InputBuffer.data(), InputBuffer.size())); + UncompressedBuffer.resize(UncompressedSize); return Res; } |