lib: import ccan modules for tdb2

Imported from git://git.ozlabs.org/~ccan/ccan init-1161-g661d41f

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

1 files changed, 25 insertions, 0 deletions

diff --git a/lib/ccan/asearch/test/compile_fail-return-value-const.c b/lib/ccan/asearch/test/compile_fail-return-value-const.c
new file mode 100644
index 0000000000..2edee93501
--- /dev/null
+++ b/lib/ccan/asearch/test/compile_fail-return-value-const.c
@@ -0,0 +1,25 @@
+#include <ccan/asearch/asearch.h>
+#include <ccan/array_size/array_size.h>
+#include <string.h>
+
+static int cmp(const char *key, const char *const *elem)
+{
+	return strcmp(key, *elem);
+}
+
+int main(void)
+{
+	const char key[] = "key";
+	const char *elems[] = { "a", "big", "list", "of", "things" };
+
+#ifdef FAIL
+	char **p;
+#if !HAVE_TYPEOF
+#error "Unfortunately we don't fail if no typeof."
+#endif
+#else
+	const char **p;
+#endif
+	p = asearch(key, elems, ARRAY_SIZE(elems), cmp);
+	return p ? 0 : 1;
+}