MySQL 8.3.0
Source Code Documentation
mach0data.cc File Reference

Utilities for converting data from the database file to the machine format. More...

#include "mach0data.h"
#include <stddef.h>

Functions

uint64_t mach_parse_u64_much_compressed (const byte **ptr, const byte *end_ptr)
 Read a 64-bit integer in a much compressed form. More...
 
uint32_t mach_parse_compressed (const byte **ptr, const byte *end_ptr)
 Read a 32-bit integer in a compressed form. More...
 

Detailed Description

Utilities for converting data from the database file to the machine format.

Created 11/28/1995 Heikki Tuuri

Function Documentation

◆ mach_parse_compressed()

uint32_t mach_parse_compressed ( const byte **  ptr,
const byte end_ptr 
)

Read a 32-bit integer in a compressed form.

Parameters
[in,out]ptrpointer to memory from where to read; advanced by the number of bytes consumed, or set NULL if out of space
[in]end_ptrend of the buffer
Returns
unsigned value

◆ mach_parse_u64_much_compressed()

uint64_t mach_parse_u64_much_compressed ( const byte **  ptr,
const byte end_ptr 
)

Read a 64-bit integer in a much compressed form.

Parameters
[in,out]ptrpointer to memory from where to read, advanced by the number of bytes consumed, or set NULL if out of space
[in]end_ptrend of the buffer
Returns
unsigned 64-bit integer