X-Git-Url: https://git.ozlabs.org/?a=blobdiff_plain;f=ccan%2Ftypesafe_cb%2Ftest%2Fcompile_ok-typesafe_cb_def-const.c;fp=ccan%2Ftypesafe_cb%2Ftest%2Fcompile_ok-typesafe_cb_def-const.c;h=5017928a39e70aebd476e74e7dac0b45323bde6d;hb=061e63028390bc27db749c75a3689c2888f00f57;hp=0000000000000000000000000000000000000000;hpb=894dd68a8c899ca7b5028334804fa1638b583908;p=ccan

diff --git a/ccan/typesafe_cb/test/compile_ok-typesafe_cb_def-const.c b/ccan/typesafe_cb/test/compile_ok-typesafe_cb_def-const.c
new file mode 100644
index 00000000..5017928a
--- /dev/null
+++ b/ccan/typesafe_cb/test/compile_ok-typesafe_cb_def-const.c
@@ -0,0 +1,45 @@
+#include <ccan/typesafe_cb/typesafe_cb.h>
+#include <stdlib.h>
+
+/* const args in callbacks should be OK. */
+
+static void _register_callback(void (*cb)(void *arg), void *arg)
+{
+}
+
+#define register_callback(cb, arg)				\
+	_register_callback(typesafe_cb(void, (cb), (arg)), (arg))
+
+static void _register_callback_pre(void (*cb)(int x, void *arg), void *arg)
+{
+}
+
+#define register_callback_pre(cb, arg)					\
+	_register_callback_pre(typesafe_cb_preargs(void, (cb), (arg), int), (arg))
+
+static void _register_callback_post(void (*cb)(void *arg, int x), void *arg)
+{
+}
+
+#define register_callback_post(cb, arg)					\
+	_register_callback_post(typesafe_cb_postargs(void, (cb), (arg), int), (arg))
+
+static void my_callback(const char *p)
+{
+}
+
+static void my_callback_pre(int x, /*const*/ char *p)
+{
+}
+
+static void my_callback_post(/*const*/ char *p, int x)
+{
+}
+
+int main(int argc, char *argv[])
+{
+	register_callback(my_callback, "hello world");
+	register_callback_pre(my_callback_pre, "hello world");
+	register_callback_post(my_callback_post, "hello world");
+	return 0;
+}