thodg/cgminer/ccan/typesafe_cb/test/compile_ok-typesafe_cb-vars.c

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• Hash : a0d14d15
  Author :
  Date : 2011-07-06T16:47:25
  

  ccan: add ccan/opt and dependencies to build.

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• ccan/typesafe_cb/test/compile_ok-typesafe_cb-vars.c

• #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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