fix some small gcc 7 warnings (appneta#403)

GabrielGanne · fklassen · commit 54da347870f5 · 2017-06-07T08:32:44.000-07:00
* fix -Wbool-operation warnings found by gcc-7

Signed-off-by: Gabriel Ganne &lt;gabriel.ganne@enea.com&gt;

* fix -Wmemset-elt-size warning found by gcc-7

Signed-off-by: Gabriel Ganne &lt;gabriel.ganne@enea.com&gt;

* fix -Wuninitialized warning found by gcc-7

Signed-off-by: Gabriel Ganne &lt;gabriel.ganne@enea.com&gt;
diff --git a/src/config.h.in b/src/config.h.in
@@ -612,6 +612,9 @@
    <sysmacros.h>. */
 #undef MAJOR_IN_SYSMACROS
 
+/* Define to 1 if your C compiler doesn't accept -c and -o together. */
+#undef NO_MINUS_C_MINUS_O
+
 /* Define this if optional arguments are disallowed */
 #undef NO_OPTIONAL_OPT_ARGS
 
diff --git a/src/tcpliveplay.c b/src/tcpliveplay.c
@@ -1186,7 +1186,7 @@ do_checksum_liveplay(u_int8_t *data, int proto, int len) {
     ipv4_hdr *ipv4;
     tcp_hdr *tcp;
     int ip_hl;
-    volatile int sum;   // <-- volatile works around a PPC g++ bug
+    volatile int sum = 0;   // <-- volatile works around a PPC g++ bug
 
     sum;
     ipv4 = NULL;
