[mirror_ubuntu-bionic-kernel.git] / include / asm-generic / ioctl.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_GENERIC_IOCTL_H
#define _ASM_GENERIC_IOCTL_H

#include <uapi/asm-generic/ioctl.h>

#ifdef __CHECKER__
#define _IOC_TYPECHECK(t) (sizeof(t))
#else
/* provoke compile error for invalid uses of size argument */
extern unsigned int __invalid_size_argument_for_IOC;
#define _IOC_TYPECHECK(t) \
	((sizeof(t) == sizeof(t[1]) && \
	  sizeof(t) < (1 << _IOC_SIZEBITS)) ? \
	  sizeof(t) : __invalid_size_argument_for_IOC)
#endif

#endif /* _ASM_GENERIC_IOCTL_H */
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
af4cd3fe BG	2	#ifndef _ASM_GENERIC_IOCTL_H
	3	#define _ASM_GENERIC_IOCTL_H
	4
8a1ab315	5	#include <uapi/asm-generic/ioctl.h>
af4cd3fe	6
d55875f5 HV	7	#ifdef __CHECKER__
	8	#define _IOC_TYPECHECK(t) (sizeof(t))
	9	#else
af4cd3fe BG	10	/* provoke compile error for invalid uses of size argument */
	11	extern unsigned int __invalid_size_argument_for_IOC;
	12	#define _IOC_TYPECHECK(t) \
	13	((sizeof(t) == sizeof(t[1]) && \
	14	sizeof(t) < (1 << _IOC_SIZEBITS)) ? \
	15	sizeof(t) : __invalid_size_argument_for_IOC)
d55875f5 HV	16	#endif
d55875f5 HV	17
af4cd3fe	18	#endif /* _ASM_GENERIC_IOCTL_H */