test_options_parse: Do not use uintmax_t instead of LargestIntegralType

At least on OpenBSD it seems that uintmax_t maps
to unsigned long long always, but LargestIntegralType
is unsigned long. So if we have a version of cmocka.h
that defines LargestIntegralType then respect that.

Change-Id: I59a49696acd665d43b21e5c23f24b86c15989cd6
Signed-off-by: Frank Lichtenheld <[email protected]>
Acked-by: Gert Doering <[email protected]>
Gerrit URL: https://gerrit.openvpn.net/c/openvpn/+/1256
Message-Id: <[email protected]>
URL: https://sourceforge.net/p/openvpn/mailman/message/59243971/
Signed-off-by: Gert Doering <[email protected]>

Author: flichtenheld

tests/unit_tests/openvpn/test_options_parse.c

@@ -198,14 +198,25 @@ read_single_config(struct options *options, const char *config)
                        &option_types_found, &es);
 }
 
+/* compat with various versions of cmocka.h
+ * Older versions have LargestIntegralType. Newer
+ * versions use uintmax_t. But LargestIntegralType
+ * is not guaranteed to be equal to uintmax_t, so
+ * we can't use that unconditionally. So we only use
+ * it if cmocka.h does not define LargestIntegralType.
+ */
+#ifndef LargestIntegralType
+#define LargestIntegralType uintmax_t
+#endif
+
 union tokens_parameter
 {
-    uintmax_t as_int;
+    LargestIntegralType as_int;
     void *as_pointer;
 };
 
 static int
-check_tokens(const uintmax_t value, const uintmax_t expected)
+check_tokens(const LargestIntegralType value, const LargestIntegralType expected)
 {
     union tokens_parameter temp;
     temp.as_int = value;