/* Trampoline test */
/*
* Copyright 1995-1999, 2002 Bruno Haible, <bruno@clisp.org>
*
* This is free software distributed under the GNU General Public Licence
* described in the file COPYING. Contact the author if you don't have this
* or can't live with it. There is ABSOLUTELY NO WARRANTY, explicit or implied,
* on this software.
*/
#include <stdio.h>
#include <stdlib.h>
#include "trampoline.h"
#define MAGIC1 0x9db9af42
#define MAGIC2 0x614a13c9
static int magic = MAGIC1;
#ifdef __cplusplus
typedef int (*function)(...);
#else
typedef int (*function)();
#endif
void* function_data;
#if defined(__STDC__) || defined(__GNUC__) || defined(__cplusplus)
int f (int x)
#else
int f (x)
int x;
#endif
{ return *(int*)function_data + x; }
int main ()
{
function cf = alloc_trampoline((function)&f, &function_data, &magic);
/* calling cf shall set function_data = &magic and then call f(x),
* thus returning magic + x.
*/
if (((*cf)(MAGIC2) == MAGIC1+MAGIC2) && (function_data == &magic))
{ free_trampoline(cf); printf("Works, test1 passed.\n"); exit(0); }
else
{ printf("Doesn't work!\n"); exit(1); }
}