X-Git-Url: http://www.lcore.org/git/lcore.git/blobdiff_plain/e27ef2c6aab3a2a8051314bd37bb3b2386775f36..6dc5aa808483fdb8531afc990f26f1138bf2ddac:/bsearchtree.pas?ds=sidebyside

diff --git a/bsearchtree.pas b/bsearchtree.pas
index d9e3ea2..9dc355e 100644
--- a/bsearchtree.pas
+++ b/bsearchtree.pas
@@ -32,6 +32,9 @@ procedure deltree(t:phashtable;s:ansistring);
 {returns the item pointer for s, or nil if not found}
 function findtree(t:phashtable;s:ansistring):pointer;
 
+{clear a hashtable, deallocating all used resources}
+procedure cleartree(t:phashtable);
+
 implementation
 
 function makehash(s:ansistring):integer;
@@ -98,4 +101,20 @@ begin
   end;
 end;
 
+procedure cleartree(t:phashtable);
+var
+  hash:integer;
+  p,p2:thashitem;
+begin
+  for hash := 0 to hashtable_size-1 do begin
+    p := t[hash];
+    while p <> nil do begin
+      p2 := thashitem(p.next);
+      linklistdel(tlinklist(t[hash]),tlinklist(p));
+      p.destroy;
+      p := thashitem(p2);
+    end;
+  end;
+end;
+
 end.