int
ioctl(int d, unsigned long request, ...)
{
libc_func(ioctl, int, int, unsigned long, ...);
int result;
va_list ap;
void* arg;
/* one cannot reliably forward arbitrary varargs
* (http://c-faq.com/varargs/handoff.html), but we know that ioctl gets at
* most one extra argument, and almost all of them are pointers or ints,
* both of which fit into a void*.
*/
va_start(ap, request);
arg = va_arg(ap, void*);
va_end(ap);
result = ioctl_emulate(d, request, arg);
if (result != UNHANDLED) {
DBG(DBG_IOCTL, "ioctl fd %i request %lX: emulated, result %i\n", d, request, result);
return result;
}
/* call original ioctl */
result = _ioctl(d, request, arg);
DBG(DBG_IOCTL, "ioctl fd %i request %lX: original, result %i\n", d, request, result);
if (result != -1 && ioctl_record_fd == d)
record_ioctl(request, arg, result);
return result;
}
int
ioctl(int d, unsigned long request, void *arg)
{
libc_func(ioctl, int, int, unsigned long, void *);
int result;
result = ioctl_emulate(d, request, arg);
if (result != -2) {
DBG("ioctl fd %i request %lX: emulated, result %i\n", d, request, result);
return result;
}
/* call original ioctl */
result = _ioctl(d, request, arg);
DBG("ioctl fd %i request %lX: original, result %i\n", d, request, result);
if (result != -1 && ioctl_record_fd == d)
record_ioctl(request, arg, result);
return result;
}
