# HG changeset patch
# User Matti Hamalainen <ccr@tnsp.org>
# Date 1456383271 -7200
# Node ID 5c5b3919263deac5c0449065f28c71bf0e37f1ed
# Parent  a001708551d0baa162f76dbcf81b07becc8dd4ed
th_llist_get_nth() returned last value of list if N > number of elements.
Now it returns NULL N != nElems.

diff -r a001708551d0 -r 5c5b3919263d th_datastruct.c
--- a/th_datastruct.c	Thu Feb 25 08:53:41 2016 +0200
+++ b/th_datastruct.c	Thu Feb 25 08:54:31 2016 +0200
@@ -229,7 +229,7 @@
 
     for (i = 0; curr != NULL && i < n; curr = curr->next, i++);
 
-    return curr;
+    return (i == n) ? curr : NULL;
 }