/*

 Package: dyncall
 Library: test
 File: test/callback_plain/callback_plain.c
 Description: 
 License:

   Copyright (c) 2011-2021 Daniel Adler <dadler@uni-goettingen.de>,
                           Tassilo Philipp <tphilipp@potion-studios.com>

   Permission to use, copy, modify, and distribute this software for any
   purpose with or without fee is hereby granted, provided that the above
   copyright notice and this permission notice appear in all copies.

   THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
   MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
   ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
   WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
   ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
   OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

*/

#include "../../dyncallback/dyncall_callback.h"
#include "../common/platformInit.h"
#include "../common/platformInit.c" /* Impl. for functions only used in this translation unit */


char cbHandler(DCCallback* cb, DCArgs* args, DCValue* result, void* userdata)
{
  int* ud = (int*)userdata;
  int       arg1 = dcbArgInt     (args);
  float     arg2 = dcbArgFloat   (args);
  short     arg3 = dcbArgShort   (args);
  double    arg4 = dcbArgDouble  (args);
  long long arg5 = dcbArgLongLong(args);

  printf("reached callback\n");
  printf("userdata (should be 1337): %d\n", *ud);
  printf("1st argument (should be  123): %d\n", arg1);
  printf("2nd argument (should be 23.f): %f\n", arg2);
  printf("3rd argument (should be    3): %d\n", arg3);
  printf("4th argument (should be 1.82): %f\n", arg4);
  printf("5th argument (should be 9909): %lld\n", arg5);

  if(*ud == 1337) *ud = 1;
  if(arg1 ==  123) ++*ud;
  if(arg2 == 23.f) ++*ud;
  if(arg3 ==    3) ++*ud;
  if(arg4 == 1.82) ++*ud;
  if(arg5 == 9909) ++*ud;

  result->s = 1234;
  return 's';
}


int main()
{
  DCCallback* cb;
  short result = 0;
  int userdata = 1337;

  dcTest_initPlatform();

  cb = dcbNewCallback("ifsdl)s", &cbHandler, &userdata);
  printf("about to callback (trampoline for 0x%tx at 0x%tx)...\n", &cbHandler, cb);

  result = ((short(*)(int, float, short, double, long long))cb)(123, 23.f, 3, 1.82, 9909ull);
  dcbFreeCallback(cb);

  printf("successfully returned from callback\n");
  printf("return value (should be 1234): %d\n", result);

  result = (userdata == 6) && (result == 1234);
  printf("result: callback_plain: %d\n", result);

  dcTest_deInitPlatform();

  return !result;
}