X-Git-Url: http://git.tdb.fi/?p=libs%2Fcore.git;a=blobdiff_plain;f=source%2Futils.cpp;fp=source%2Futils.cpp;h=4036225a0f2af593584931d1205fe64aeab82199;hp=8f06757bda2227f69aa075acc045f1046dba1ce6;hb=0875a4cbef5e6d664488d8af2c37b3b252856750;hpb=aa31c2bbb399ded6493f7edc419b1a500ed25895

diff --git a/source/utils.cpp b/source/utils.cpp
index 8f06757..4036225 100644
--- a/source/utils.cpp
+++ b/source/utils.cpp
@@ -165,5 +165,21 @@ Path relative(const Path &path, const Path &base)
 	return result;
 }
 
+int descendant_depth(const Path &path, const Path &parent)
+{
+	Path::Iterator i=path.begin();
+	Path::Iterator j=parent.begin();
+	for(; (i!=path.end() && j!=parent.end() && *i==*j); ++i, ++j) ;
+
+	if(j!=parent.end())
+		return -1;
+	
+	int result = 0;
+	for(; i!=path.end(); ++i)
+		++result;
+
+	return result;
+}
+
 } // namespace FS
 } // namespace Msp