llvm::zlib Namespace Reference

Functions
bool	isAvailable ()
void	compress (StringRef InputBuffer, SmallVectorImpl< char > &CompressedBuffer, int Level=DefaultCompression)
Error	uncompress (StringRef InputBuffer, char *UncompressedBuffer, size_t &UncompressedSize)
Error	uncompress (StringRef InputBuffer, SmallVectorImpl< char > &UncompressedBuffer, size_t UncompressedSize)
uint32_t	crc32 (StringRef Buffer)

Variables
static constexpr int	NoCompression = 0
static constexpr int	BestSpeedCompression = 1
static constexpr int	DefaultCompression = 6
static constexpr int	BestSizeCompression = 9

Function Documentation

compress()

void llvm::zlib::compress	(	StringRef	InputBuffer,
		SmallVectorImpl< char > &	CompressedBuffer,
		int	Level = DefaultCompression
	)

Definition at line 49 of file Compression.cpp.

References __msan_unpoison, assert(), llvm::StringRef::data(), llvm::report_bad_alloc_error(), llvm::SmallVectorImpl< T >::resize_for_overwrite(), llvm::StringRef::size(), and llvm::SmallVectorImpl< T >::truncate().

Referenced by llvm::collectPGOFuncNameStrings(), llvm::objcopy::elf::CompressedSection::CompressedSection(), and llvm::coverage::CoverageFilenamesSectionWriter::write().

crc32()

uint32_t llvm::zlib::crc32

(

StringRef

Buffer

)

Definition at line 86 of file Compression.cpp.

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

isAvailable()

bool llvm::zlib::isAvailable

(

)

Definition at line 47 of file Compression.cpp.

Referenced by llvm::collectPGOFuncNameStrings(), llvm::object::Decompressor::create(), llvm::readPGOFuncNameStrings(), and llvm::coverage::CoverageFilenamesSectionWriter::write().

uncompress() [1/2]

Error llvm::zlib::uncompress	(	StringRef	InputBuffer,
		char *	UncompressedBuffer,
		size_t &	UncompressedSize
	)

Definition at line 65 of file Compression.cpp.

References __msan_unpoison, convertZlibCodeToString(), llvm::createError(), llvm::StringRef::data(), llvm::StringRef::size(), and llvm::Error::success().

Referenced by llvm::object::Decompressor::decompress(), llvm::readPGOFuncNameStrings(), and uncompress().

uncompress() [2/2]

Error llvm::zlib::uncompress	(	StringRef	InputBuffer,
		SmallVectorImpl< char > &	UncompressedBuffer,
		size_t	UncompressedSize
	)

Definition at line 76 of file Compression.cpp.

References E, llvm::SmallVectorImpl< T >::resize_for_overwrite(), llvm::SmallVectorImpl< T >::truncate(), and uncompress().

Variable Documentation

BestSizeCompression

constexpr int llvm::zlib::BestSizeCompression = 9

staticconstexpr

Definition at line 28 of file Compression.h.

Referenced by llvm::collectPGOFuncNameStrings(), and llvm::coverage::CoverageFilenamesSectionWriter::write().

BestSpeedCompression

constexpr int llvm::zlib::BestSpeedCompression = 1

staticconstexpr

Definition at line 26 of file Compression.h.

DefaultCompression

constexpr int llvm::zlib::DefaultCompression = 6

staticconstexpr

Definition at line 27 of file Compression.h.

NoCompression

constexpr int llvm::zlib::NoCompression = 0

staticconstexpr

Definition at line 25 of file Compression.h.