Apple-2-Tools
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profuse
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git-svn-id: https://profuse.googlecode.com/svn/branches/v2@291 aa027e90-d47c-11dd-86d7-074df07e0730

This commit is contained in:
ksherlock 2010-05-29 01:03:20 +00:00
parent 7cb873bfcf
commit 525fe7810a
2 changed files with 42 additions and 5 deletions
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37
Pascal/VolumeEntry.cpp
View File

@ -339,6 +339,7 @@ unsigned VolumeEntry::unlink(const char *name)
}
// TODO -- if newName exists, atomically remove it.
unsigned VolumeEntry::rename(const char *oldName, const char *newName)
{
FileEntry *e;
@ -561,6 +562,42 @@ unsigned VolumeEntry::krunch()
/*
* return the number of free blocks.
* if krunched is true, returns sum of all free blocks
* if krunched is false, returns free blocks at end.
*
*/
unsigned VolumeEntry::freeBlocks(bool krunched) const
{
unsigned freeBlocks = 0;
unsigned lastBlock = 0;
if (krunched)
{
std::vector<FileEntry *>::const_iterator iter;
lastBlock = _lastBlock;
for (iter = _files.begin(); iter != _files.end(); ++iter)
{
const FileEntry *e = *iter;
freeBlocks += e->_firstBlock - lastBlock;
lastBlock = e->_lastBlock;
}
}
else
{
lastBlock = _fileCount ? _files.back()->_lastBlock : _lastBlock;
}
freeBlocks += _lastVolumeBlock - lastBlock;
return freeBlocks;
}
void *VolumeEntry::loadBlock(unsigned block)

10
Pascal/VolumeEntry.h
View File

@ -31,12 +31,12 @@ namespace Pascal {
Pascal::Date lastBoot() const { return _lastBoot; }
unsigned freeBlocks(bool krunched = false) const;
FileEntry *fileAtIndex(unsigned i) const;
FileEntry *fileByName(const char *name) const;
void addChild(FileEntry *child, unsigned blocks);
void *loadBlock(unsigned block);
void unloadBlock(unsigned block, bool dirty = false);
@ -50,11 +50,11 @@ namespace Pascal {
unsigned unlink(const char *name);
unsigned rename(const char *oldName, const char *newName);
FileEntry *create(const char *name, unsigned blocks);
unsigned krunch();