zypp::filesystem::DevInoCache Class Reference

Simple cache remembering device/inode to detect hardlinks. More...

#include <zypp-core/fs/PathInfo.h>

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

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

Detailed Description

Simple cache remembering device/inode to detect hardlinks.

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

Definition at line 192 of file PathInfo.h.

Constructor & Destructor Documentation

DevInoCache()

zypp::filesystem::DevInoCache::DevInoCache ( )

inline

Ctor.

Definition at line 196 of file PathInfo.h.

Member Function Documentation

clear()

void zypp::filesystem::DevInoCache::clear ( )

inline

Clear cache.

Definition at line 199 of file PathInfo.h.

insert()

bool zypp::filesystem::DevInoCache::insert ( const dev_t & dev_r, const ino_t & ino_r )

inline

Remember dev/ino.

\Return true if it's inserted the first time, false if alredy present in cache (a hardlink to a previously remembered file).

Definition at line 206 of file PathInfo.h.

Member Data Documentation

_devino

std::map<dev_t,std::set<ino_t> > zypp::filesystem::DevInoCache::_devino

private

Definition at line 211 of file PathInfo.h.

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

• zypp-core/fs/PathInfo.h