]> git.ozlabs.org Git - ccan/blob - ccan/typesafe_cb/test/compile_ok-typesafe_cb-const.c
ccanlint: test for C++ reserved words in headers.
[ccan] / ccan / typesafe_cb / test / compile_ok-typesafe_cb-const.c
1 #include <ccan/typesafe_cb/typesafe_cb.h>
2 #include <stdlib.h>
3
4 /* const args in callbacks should be OK. */
5
6 static void _register_callback(void (*cb)(void *arg), void *arg)
7 {
8 }
9
10 #define register_callback(cb, arg)                              \
11         _register_callback(typesafe_cb(void, (cb), (arg)), (arg))
12
13 #define register_callback_def(cb, arg)                          \
14         _register_callback(typesafe_cb_def(void, (cb), (arg)), (arg))
15
16 static void _register_callback_pre(void (*cb)(int x, void *arg), void *arg)
17 {
18 }
19
20 #define register_callback_pre(cb, arg)                                  \
21         _register_callback_pre(typesafe_cb_preargs(void, (cb), (arg), int), (arg))
22
23 static void _register_callback_post(void (*cb)(void *arg, int x), void *arg)
24 {
25 }
26
27 #define register_callback_post(cb, arg)                                 \
28         _register_callback_post(typesafe_cb_postargs(void, (cb), (arg), int), (arg))
29
30 static void my_callback(const char *p)
31 {
32 }
33
34 static void my_callback_pre(int x, /*const*/ char *p)
35 {
36 }
37
38 static void my_callback_post(/*const*/ char *p, int x)
39 {
40 }
41
42 int main(int argc, char *argv[])
43 {
44         char p[] = "hello world";
45         register_callback(my_callback, p);
46         register_callback_def(my_callback, p);
47         register_callback_pre(my_callback_pre, p);
48         register_callback_post(my_callback_post, p);
49         return 0;
50 }