wordaccess.h File Reference

functions for reading and writing different width words More...

#include <cstdint>
#include <type_traits>
#include <cstring>
#include "alignment_cast.h"
#include "omassert.h"

Include dependency graph for wordaccess.h:

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Functions
uint16_t	do_bswap (uint16_t value)
uint32_t	do_bswap (uint32_t value)
uint64_t	do_bswap (uint64_t value)
template<typename UINT >
UINT	do_aligned_read (const unsigned char *ptr)
template<typename T , typename UINT >
void	do_aligned_write (unsigned char *ptr, T value)
template<typename UINT >
UINT	do_unaligned_read (const unsigned char *ptr)
template<typename T , typename UINT >
void	do_unaligned_write (unsigned char *ptr, T value)
uint32_t	aligned_read4 (const unsigned char *ptr)
uint32_t	unaligned_read4 (const unsigned char *ptr)
uint16_t	aligned_read2 (const unsigned char *ptr)
uint16_t	unaligned_read2 (const unsigned char *ptr)
template<typename T >
void	aligned_write4 (unsigned char *ptr, T value)
template<typename T >
void	unaligned_write4 (unsigned char *ptr, T value)
template<typename T >
void	aligned_write2 (unsigned char *ptr, T value)
template<typename T >
void	unaligned_write2 (unsigned char *ptr, T value)

Detailed Description

functions for reading and writing different width words

Definition in file wordaccess.h.

Function Documentation

aligned_read2()

uint16_t aligned_read2 ( const unsigned char *  ptr )

inline

Definition at line 153 of file wordaccess.h.

aligned_read4()

uint32_t aligned_read4 ( const unsigned char *  ptr )

inline

Definition at line 141 of file wordaccess.h.

Referenced by GlassFreeList::commit(), HoneyFreeList::commit(), GlassFreeList::get_block(), HoneyFreeList::get_block(), GlassFreeList::mark_block_unused(), HoneyFreeList::mark_block_unused(), Glass::REVISION(), GlassFreeList::walk(), and HoneyFreeList::walk().

aligned_write2()

template<typename T >

void aligned_write2 ( unsigned char *  ptr, T  value  )

inline

Definition at line 180 of file wordaccess.h.

aligned_write4()

template<typename T >

void aligned_write4 ( unsigned char *  ptr, T  value  )

inline

Definition at line 166 of file wordaccess.h.

Referenced by GlassFreeList::mark_block_unused(), HoneyFreeList::mark_block_unused(), Glass::SET_REVISION(), GlassFreeList::write_block(), and HoneyFreeList::write_block().

do_aligned_read()

template<typename UINT >

UINT do_aligned_read ( const unsigned char *  ptr )

inline

Definition at line 85 of file wordaccess.h.

References do_bswap().

do_aligned_write()

template<typename T , typename UINT >

void do_aligned_write ( unsigned char *  ptr, T  value  )

inline

Definition at line 96 of file wordaccess.h.

References AssertEq, AssertRel, and do_bswap().

do_bswap() [1/3]

uint16_t do_bswap ( uint16_t  value )

inline

Definition at line 43 of file wordaccess.h.

Referenced by do_aligned_read(), do_aligned_write(), do_unaligned_read(), do_unaligned_write(), Honey::docid_from_key(), Honey::make_doclenchunk_key(), and serialise_double().

do_bswap() [2/3]

uint32_t do_bswap ( uint32_t  value )

inline

Definition at line 53 of file wordaccess.h.

do_bswap() [3/3]

uint64_t do_bswap ( uint64_t  value )

inline

Definition at line 66 of file wordaccess.h.

do_unaligned_read()

template<typename UINT >

UINT do_unaligned_read ( const unsigned char *  ptr )

inline

Definition at line 113 of file wordaccess.h.

References do_bswap().

do_unaligned_write()

template<typename T , typename UINT >

void do_unaligned_write ( unsigned char *  ptr, T  value  )

inline

Definition at line 125 of file wordaccess.h.

References AssertEq, AssertRel, and do_bswap().

unaligned_read2()

uint16_t unaligned_read2 ( const unsigned char *  ptr )

inline

Definition at line 159 of file wordaccess.h.

Referenced by Glass::DIR_END(), Glass::LeafItem_base< T >::getD(), Glass::BItem_base< T >::getD(), Glass::LeafItem_base< T >::getI(), Glass::LeafItem_base< T >::getX(), Glass::BItem_base< T >::getX(), Glass::MAX_FREE(), Honey::DocLenChunkReader::read_doclen(), and Glass::TOTAL_FREE().

unaligned_read4()

uint32_t unaligned_read4 ( const unsigned char *  ptr )

inline

Definition at line 147 of file wordaccess.h.

Referenced by Glass::BItem_base< T >::block_given_by(), GlassChanges::check(), and Honey::DocLenChunkReader::read_doclen().

unaligned_write2()

template<typename T >

void unaligned_write2 ( unsigned char *  ptr, T  value  )

inline

Definition at line 187 of file wordaccess.h.

Referenced by Glass::SET_DIR_END(), Glass::SET_MAX_FREE(), Glass::SET_TOTAL_FREE(), Glass::LeafItem_wr::setD(), Glass::BItem_wr::setD(), Glass::LeafItem_wr::setI(), Glass::LeafItem_wr::setX(), and Glass::BItem_wr::setX().

unaligned_write4()

template<typename T >

void unaligned_write4 ( unsigned char *  ptr, T  value  )

inline

Definition at line 173 of file wordaccess.h.

Referenced by HoneyCompact::PostlistCursor< const GlassTable & >::DoclenEncoder::get_chunk(), SSTIndex::maybe_add_entry(), Glass::BItem_wr::set_block_given_by(), and SSTIndex::write().