llvm::zlib Namespace Reference

Enumerations
enum	CompressionLevel { NoCompression, DefaultCompression, BestSpeedCompression, BestSizeCompression }
enum	Status {   StatusOK, StatusUnsupported, StatusOutOfMemory, StatusBufferTooShort,   StatusInvalidArg, StatusInvalidData }

Functions
bool	isAvailable ()
Status	compress (StringRef InputBuffer, OwningPtr< MemoryBuffer > &CompressedBuffer, CompressionLevel Level=DefaultCompression)
Status	uncompress (StringRef InputBuffer, OwningPtr< MemoryBuffer > &UncompressedBuffer, size_t UncompressedSize)
uint32_t	crc32 (StringRef Buffer)

Enumeration Type Documentation

enum llvm::zlib::CompressionLevel

Enumerator
NoCompression
DefaultCompression
BestSpeedCompression
BestSizeCompression

Definition at line 27 of file Compression.h.

enum llvm::zlib::Status

Enumerator
StatusOK
StatusUnsupported
StatusOutOfMemory
StatusBufferTooShort
StatusInvalidArg
StatusInvalidData

Definition at line 34 of file Compression.h.

Function Documentation

zlib::Status llvm::zlib::compress	(	StringRef	InputBuffer,
		OwningPtr< MemoryBuffer > &	CompressedBuffer,
		CompressionLevel	Level = DefaultCompression
	)

Definition at line 50 of file Compression.cpp.

References __msan_unpoison, llvm::StringRef::data(), encodeZlibCompressionLevel(), encodeZlibReturnValue(), llvm::MemoryBuffer::getBufferStart(), llvm::MemoryBuffer::getMemBufferCopy(), llvm::OwningPtr< T >::reset(), llvm::StringRef::size(), and StatusOK.

uint32_t llvm::zlib::crc32

(

StringRef

Buffer

)

Definition at line 84 of file Compression.cpp.

References llvm::StringRef::data(), and llvm::StringRef::size().

bool llvm::zlib::isAvailable

(

)

Definition at line 49 of file Compression.cpp.

Referenced by llvm::DWARFContextInMemory::DWARFContextInMemory().

zlib::Status llvm::zlib::uncompress	(	StringRef	InputBuffer,
		OwningPtr< MemoryBuffer > &	UncompressedBuffer,
		size_t	UncompressedSize
	)

Definition at line 68 of file Compression.cpp.

References __msan_unpoison, llvm::StringRef::data(), encodeZlibReturnValue(), llvm::OwningArrayPtr< T >::get(), llvm::MemoryBuffer::getBufferStart(), llvm::MemoryBuffer::getMemBufferCopy(), llvm::OwningPtr< T >::reset(), llvm::StringRef::size(), and StatusOK.

Referenced by llvm::DWARFContextInMemory::DWARFContextInMemory().