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, 30 insertions, 0 deletions

diff --git a/lib/ccan/likely/test/run.c b/lib/ccan/likely/test/run.c
new file mode 100644
index 0000000000..fa1dc9f6ea
--- /dev/null
+++ b/lib/ccan/likely/test/run.c
@@ -0,0 +1,30 @@
+#include <ccan/likely/likely.c>
+#include <ccan/likely/likely.h>
+#include <ccan/tap/tap.h>
+#include <stdlib.h>
+
+static bool one_seems_likely(unsigned int val)
+{
+	if (likely(val == 1))
+		return true;
+	return false;
+}
+
+static bool one_seems_unlikely(unsigned int val)
+{
+	if (unlikely(val == 1))
+		return true;
+	return false;
+}
+
+int main(int argc, char *argv[])
+{
+	plan_tests(4);
+
+	/* Without debug, we can only check that it doesn't effect functions. */
+	ok1(one_seems_likely(1));
+	ok1(!one_seems_likely(2));
+	ok1(one_seems_unlikely(1));
+	ok1(!one_seems_unlikely(2));
+	exit(exit_status());
+}