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#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, 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, 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, void *, (cb), (arg), int), (arg))
struct undefined;
static void my_callback(struct undefined *undef)
{
}
static void my_callback_pre(int x, struct undefined *undef)
{
}
static void my_callback_post(struct undefined *undef, int x)
{
}
int main(int argc, char *argv[])
{
struct undefined *handle = NULL;
void (*cb)(struct undefined *undef) = my_callback;
void (*pre)(int x, struct undefined *undef) = my_callback_pre;
void (*post)(struct undefined *undef, int x) = my_callback_post;
register_callback(cb, handle);
register_callback_pre(pre, handle);
register_callback_post(post, handle);
return 0;
}
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