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fix CollapsePath("../../foo") resulting in "foo"

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This commit is contained in:
Glenn Maynard
2004-04-06 04:21:06 +00:00
parent 9196f0521d
commit 42d969af9d
1 changed files with 11 additions and 3 deletions
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stepmania/src/RageUtil.cpp
+11 -3
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@@ -1034,6 +1034,8 @@ CString FixSlashes( CString sPath )
* foo///bar/// -> foo/bar/
* foo/bar/./baz -> foo/bar/baz
* foo/bar/../baz -> foo/baz
* ../foo -> ../foo
* ../../foo -> ../../foo
* ./foo -> foo (if bRemoveLeadingDot), ./foo (if !bRemoveLeadingDot)
* ./ -> .
* ./// -> .
@@ -1049,9 +1051,15 @@ void CollapsePath( CString &sPath, bool bRemoveLeadingDot )
{
if( as[i] == ".." && i != 0 )
{
as.erase( as.begin()+i-1 );
as.erase( as.begin()+i-1 );
i -= 2;
/* If the previous element is also "..", then we have a path beginning
* with multiple "../"--one .. can't eat another .., since that would
* cause "../../foo" to become "foo". */
if( as[i-1] != ".." )
{
as.erase( as.begin()+i-1 );
as.erase( as.begin()+i-1 );
i -= 2;
}
}
else if( as[i] == "" && i != 0 && i+1 < as.size() )
{