From f05c25347d66821d928668a7e87dffbf3ffed027 Mon Sep 17 00:00:00 2001
From: Simon Tatham <anakin@pobox.com>
Date: Sat, 5 Aug 2006 16:35:25 +0000
Subject: Extra utility function.

[originally from svn r6780]
---
 dsf.c | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'dsf.c')

diff --git a/dsf.c b/dsf.c
index a81bc3c..91d4b2c 100644
--- a/dsf.c
+++ b/dsf.c
@@ -28,3 +28,11 @@ void dsf_merge(int *dsf, int v1, int v2)
     v2 = dsf_canonify(dsf, v2);
     dsf[v2] = v1;
 }
+
+void dsf_init(int *dsf, int len)
+{
+    int i;
+
+    for (i = 0; i < len; i++)
+	dsf[i] = i;
+}
-- 
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