Fix off-by-one overwrite.

bd9b3cf5 · Simon Kelley · 14db4212 · bd9b3cf5
Commit bd9b3cf5 authored Mar 01, 2014 by Simon Kelley
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src/dnssec.c src/dnssec.c +2 -1

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--- a/src/dnssec.c
+++ b/src/dnssec.c
@@ -353,7 +353,8 @@ static void from_wire(char *name)
      l[len] = '.';
    }

-  *(l-1) = 0;
+  if (l != name)
+    *(l-1) = 0;
 }

 /* Input in presentation format */