PathInfo::devino_cache Class Reference

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

#include <PathInfo.h>

List of all members.

Public Member Functions
	devino_cache ()
void	clear ()
bool	insert (const dev_t &dev_r, const ino_t &ino_r)
Private Attributes
std::map< dev_t, std::set < ino_t > >	_devino

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Detailed Description

Simple cache remembering device/inode to detect hardlinks.

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

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Constructor & Destructor Documentation

PathInfo::devino_cache::devino_cache

(

)

[inline]

Constructor

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Member Function Documentation

void PathInfo::devino_cache::clear

(

)

[inline]

Clear cache

References _devino.

bool PathInfo::devino_cache::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.

References _devino.

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Member Data Documentation

std::map<dev_t,std::set<ino_t> > PathInfo::devino_cache::_devino [private]

Referenced by clear(), and insert().

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

• PathInfo.h