Author: Julia Lawall <julia@diku.dk> The end of the function is reachable both when host is and is not NULL. A simplified version of the semantic match that finds this problem is as follows: (http://coccinelle.lip6.fr/) // @r exists@ expression E,E1; identifier f; statement S1,S2,S3; @@ if ((E == NULL && …) || …) { … when …
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