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 */
  10 extern 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 */