vl::CRC32CheckSum Class Reference

Computes the a CRC32 checksum of a given buffer or VirtualFile. More...

#include <CRC32CheckSum.hpp>

Public Member Functions
	CRC32CheckSum ()
	Constructor. More...
unsigned int	compute (const void *buf, int length)
unsigned int	compute (VirtualFile *stream)
void	startCRC32 ()
unsigned int	finalizeCRC32 ()
void	continueCRC32 (unsigned char *ptr, int length)

Protected Member Functions
void	crc32_init ()
unsigned int	reflect (unsigned int val, char ch)

Protected Attributes
unsigned int	mCRC32
unsigned int	crc32_table [256]

Detailed Description

Computes the a CRC32 checksum of a given buffer or VirtualFile.

Definition at line 42 of file CRC32CheckSum.hpp.

Constructor & Destructor Documentation

CRC32CheckSum()

vl::CRC32CheckSum::CRC32CheckSum ( )

inline

Constructor.

Definition at line 49 of file CRC32CheckSum.hpp.

References crc32_init().

Member Function Documentation

compute() [1/2]

unsigned int vl::CRC32CheckSum::compute ( const void *  buf, int  length  )

inline

Definition at line 51 of file CRC32CheckSum.hpp.

References crc32_table, and mCRC32.

Referenced by vl::VirtualFile::crc32(), and vl::ZippedFile::extract().

compute() [2/2]

unsigned int vl::CRC32CheckSum::compute ( VirtualFile *  stream )

inline

Definition at line 60 of file CRC32CheckSum.hpp.

References continueCRC32(), finalizeCRC32(), vl::length(), vl::VirtualFile::read(), and startCRC32().

continueCRC32()

void vl::CRC32CheckSum::continueCRC32 ( unsigned char *  ptr, int  length  )

inline

Definition at line 75 of file CRC32CheckSum.hpp.

References crc32_table, and mCRC32.

Referenced by compute().

crc32_init()

void vl::CRC32CheckSum::crc32_init ( )

inlineprotected

Definition at line 82 of file CRC32CheckSum.hpp.

References crc32_table, mCRC32, and reflect().

Referenced by CRC32CheckSum().

finalizeCRC32()

unsigned int vl::CRC32CheckSum::finalizeCRC32 ( )

inline

Definition at line 74 of file CRC32CheckSum.hpp.

References mCRC32.

Referenced by compute().

reflect()

unsigned int vl::CRC32CheckSum::reflect ( unsigned int  val, char  ch  )

inlineprotected

Definition at line 95 of file CRC32CheckSum.hpp.

Referenced by crc32_init().

startCRC32()

void vl::CRC32CheckSum::startCRC32 ( )

inline

Definition at line 73 of file CRC32CheckSum.hpp.

References mCRC32.

Referenced by compute().

Member Data Documentation

crc32_table

unsigned int vl::CRC32CheckSum::crc32_table[256]

protected

Definition at line 109 of file CRC32CheckSum.hpp.

Referenced by compute(), continueCRC32(), and crc32_init().

mCRC32

unsigned int vl::CRC32CheckSum::mCRC32

protected

Definition at line 108 of file CRC32CheckSum.hpp.

Referenced by compute(), continueCRC32(), crc32_init(), finalizeCRC32(), and startCRC32().

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The documentation for this class was generated from the following file:

• C:/git/VL/src/vlCore/CRC32CheckSum.hpp