--- foo-pre.c_orig      2011-11-02 19:24:58.000000000 +0100
+++ foo-pre.c   2013-12-20 22:11:27.903580112 +0100
@@ -1212,6 +1212,7 @@
                if (buf[0] == '/') {
                        strncpy(tmp, buf, reps);
                        buf[reps] = 0;
+                       tmp[reps] = 0;
                }
                else {
                        tmpp= strrchr(tmp, '/');