ca_mgm::path::PathInfo::DevInoCache Class Reference

Simple cache remembering device/inode to detect hard links. More...

#include <PathInfo.hpp>

Public Member Functions
	DevInoCache ()
	Constructor. More...
void	clear ()
	Clear cache. More...
bool	insert (const dev_t &dev_r, const ino_t &ino_r)
	Remember dev/ino. More...

Private Attributes
std::map< dev_t, std::set < ino_t > >	_devino

Detailed Description

Simple cache remembering device/inode to detect hard links.

PathInfo::DevInoCache trace;
for ( all files ) {
  if ( trace.insert( file.device, file.inode ) ) {
    // 1st occurrence of file
  }
  else{
    // else: hard link; already counted this device/inode
  }
}

Constructor & Destructor Documentation

ca_mgm::path::PathInfo::DevInoCache::DevInoCache ( )

inline

Constructor.

Member Function Documentation

void ca_mgm::path::PathInfo::DevInoCache::clear ( )

inline

Clear cache.

bool ca_mgm::path::PathInfo::DevInoCache::insert ( const dev_t &  dev_r, const ino_t &  ino_r  )

inline

Remember dev/ino.

Returns

• true if it's inserted the first time
• false if already present in cache (a hard link to a previously remembered file.

Member Data Documentation

std::map<dev_t,std::set<ino_t> > ca_mgm::path::PathInfo::DevInoCache::_devino

private

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

• PathInfo.hpp