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 /* provoke compile error for invalid uses of size argument */
   7 extern unsigned int __invalid_size_argument_for_IOC;
   8 #define _IOC_TYPECHECK(t) \
   9         ((sizeof(t) == sizeof(t[1]) && \
  10           sizeof(t) < (1 << _IOC_SIZEBITS)) ? \
  11           sizeof(t) : __invalid_size_argument_for_IOC)
  12 #endif /* _ASM_GENERIC_IOCTL_H */