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af4cd3fe BG |
1 | #ifndef _ASM_GENERIC_IOCTL_H |
2 | #define _ASM_GENERIC_IOCTL_H | |
3 | ||
8a1ab315 | 4 | #include <uapi/asm-generic/ioctl.h> |
af4cd3fe | 5 | |
af4cd3fe BG |
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) | |
af4cd3fe | 12 | #endif /* _ASM_GENERIC_IOCTL_H */ |