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Added RemoveLeaf() leaf method. Very handy for recursive directory 

iteration code using a single KPath object.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@21606 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Ingo Weinhold 2007-07-15 00:34:17 +00:00
parent dad631290c
commit 3532662e0c
2 changed files with 20 additions and 0 deletions
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2
headers/private/kernel/fs/KPath.h
View File

@ -35,6 +35,8 @@ class KPath {
const char *Leaf() const;
status_t ReplaceLeaf(const char *newLeaf);
bool RemoveLeaf();
// returns false, if nothing could be removed anymore
status_t Append(const char *toAppend, bool isComponent = true);

18
src/system/kernel/fs/KPath.cpp
View File

@ -202,6 +202,24 @@ KPath::ReplaceLeaf(const char *newLeaf)
}
bool
KPath::RemoveLeaf()
{
// get the leaf -- bail out, if not initialized or only the "/" is left
const char *leaf = Leaf();
if (!leaf || leaf == fBuffer)
return false;
// chop off the leaf
int32 leafIndex = leaf - fBuffer;
fBuffer[leafIndex] = '\0';
fPathLength = leafIndex;
_ChopTrailingSlashes();
return true;
}
status_t
KPath::Append(const char *component, bool isComponent)
{