Typesafe callback infrastructure.
[ccan] / typesafe_cb / test / compile_fail-typesafe_cb_postargs.c
1 #include "typesafe_cb/typesafe_cb.h"
2 #include <stdlib.h>
3
4 static void _register_callback(void (*cb)(void *arg, int x), void *arg)
5 {
6 }
7 #define register_callback(cb, arg)                              \
8         _register_callback(typesafe_cb_postargs(void, (cb), (arg), int), (arg))
9
10 static void my_callback(char *p, int x)
11 {
12 }
13
14 int main(int argc, char *argv[])
15 {
16 #ifdef FAIL
17         int *p;
18 #else
19         char *p;
20 #endif
21         p = NULL;
22         register_callback(my_callback, p);
23         return 0;
24 }