inet_pton: don't assume addr families don't exist

Address family 5 might exist on some crazy system like Haiku.
Use `INT_MAX-1` as an unsupported address family.

diff --git a/tests/core/posix.c b/tests/core/posix.c
index 018d0c8ba27c225f6009eb6d2f59738ad00bc6f6..172462073cbc95d20fd2828039a8a486c957c8c9 100644 (file)
--- a/tests/core/posix.c
+++ b/tests/core/posix.c
@@ -94,10 +94,7 @@ void test_core_posix__inet_pton(void)
        cl_assert(p_inet_pton(AF_INET, "10.foo.bar.1", &addr) == 0);
 
        /* Test unsupported address families */
-       cl_git_fail(p_inet_pton(12, "52.472", &addr)); /* AF_DECnet */
-       cl_assert_equal_i(EAFNOSUPPORT, errno);
-
-       cl_git_fail(p_inet_pton(5, "315.124", &addr)); /* AF_CHAOS */
+       cl_git_fail(p_inet_pton(INT_MAX-1, "52.472", &addr));
        cl_assert_equal_i(EAFNOSUPPORT, errno);
 }