Burger::FileManager::ExpandCache_t Struct Reference

Structure to contain a directory cache entry. More...

List of all members.

Public Attributes
const char *	m_pName
	Pointer to the original directory name.
Word32	m_uHitTick
	Last time hit (For purging).
long	m_lDirID
	Directory ID.
Word	m_uNameLength
	Length of the string.
short	m_sVRefNum
	Volume reference number.
short	padding
	Structure padding.

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Detailed Description

Structure to contain a directory cache entry.

For performance, a cache of the last Burger::FileManager::DIRCACHESIZE MacOS directories are stored with their Directory IDs and volume reference numbers. Since these number can ba invalidate when a directory is deleted or created, any call to a Burgerlib function that performs that action will also purge this cache.

When a Burgerlib path is parsed, a Directory ID and Volume Reference needs to be generated. If the directory exists in the cache, the values found here will be used. If not, it will be determined and added to the cache.

See also:

Burger::FileManager and Burger::FileManager::InitDirectoryCache(void)

Note:

Only available on MacOS

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Member Data Documentation

long Burger::FileManager::ExpandCache_t::m_lDirID

Directory ID.

const char* Burger::FileManager::ExpandCache_t::m_pName

Pointer to the original directory name.

short Burger::FileManager::ExpandCache_t::m_sVRefNum

Volume reference number.

Word32 Burger::FileManager::ExpandCache_t::m_uHitTick

Last time hit (For purging).

Word Burger::FileManager::ExpandCache_t::m_uNameLength

Length of the string.

short Burger::FileManager::ExpandCache_t::padding

Structure padding.