X-Git-Url: https://git.ozlabs.org/?a=blobdiff_plain;ds=sidebyside;f=ccan%2Fcontainer_of%2Ftest%2Fcompile_fail-var-types.c;h=ecdd90916fa64a49ddd899b67f3c5b222186d9a8;hb=8967bc9e1bdd68f2dc33e9d80bbf0f944fb7e772;hp=f9312b69b3a0486f0b07506781638c3e09cfce89;hpb=39357f4e89f4ac02eb11861812cbfc67b4f1d4ef;p=ccan

diff --git a/ccan/container_of/test/compile_fail-var-types.c b/ccan/container_of/test/compile_fail-var-types.c
index f9312b69..ecdd9091 100644
--- a/ccan/container_of/test/compile_fail-var-types.c
+++ b/ccan/container_of/test/compile_fail-var-types.c
@@ -6,7 +6,7 @@ struct foo {
 	char b;
 };
 
-int main(int argc, char *argv[])
+int main(void)
 {
 	struct foo foo = { .a = 1, .b = 2 }, *foop;
 	int *intp = &foo.a;
@@ -14,8 +14,12 @@ int main(int argc, char *argv[])
 #ifdef FAIL
 	/* b is a char, but intp is an int * */
 	foop = container_of_var(intp, foop, b);
+#if !HAVE_TYPEOF
+#error "Unfortunately we don't fail if we don't have typeof."
+#endif
 #else
 	foop = NULL;
 #endif
+	(void) foop; /* Suppress unused-but-set-variable warning. */
 	return intp == NULL;
 }