Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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 */
7extern 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 */