1 #ifndef _ASM_GENERIC_IOCTL_H
2 #define _ASM_GENERIC_IOCTL_H
4 #include <uapi/asm-generic/ioctl.h>
7 #define _IOC_TYPECHECK(t) (sizeof(t))
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)
17 #endif /* _ASM_GENERIC_IOCTL_H */