LXR linux/include/asm-generic/ioctl.h

   1#ifndef _ASM_GENERIC_IOCTL_H
   2#define _ASM_GENERIC_IOCTL_H
   3
   4#include <uapi/asm-generic/ioctl.h>
   5
   6#ifdef __CHECKER__
   7#define _IOC_TYPECHECK(t) (sizeof(t))
   8#else
   9/* provoke compile error for invalid uses of size argument */
  10extern unsigned int __invalid_size_argument_for_IOC;
  11#define _IOC_TYPECHECK(t) \
  12        ((sizeof(t) == sizeof(t[1]) && \
  13          sizeof(t) < (1 << _IOC_SIZEBITS)) ? \
  14          sizeof(t) : __invalid_size_argument_for_IOC)
  15#endif
  16
  17#endif /* _ASM_GENERIC_IOCTL_H */
  18