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8a1ab3155c
Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Michael Kerrisk <mtk.manpages@gmail.com> Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Acked-by: Dave Jones <davej@redhat.com>
13 lines
396 B
C
13 lines
396 B
C
#ifndef _ASM_GENERIC_IOCTL_H
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#define _ASM_GENERIC_IOCTL_H
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#include <uapi/asm-generic/ioctl.h>
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/* provoke compile error for invalid uses of size argument */
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extern unsigned int __invalid_size_argument_for_IOC;
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#define _IOC_TYPECHECK(t) \
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((sizeof(t) == sizeof(t[1]) && \
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sizeof(t) < (1 << _IOC_SIZEBITS)) ? \
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sizeof(t) : __invalid_size_argument_for_IOC)
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#endif /* _ASM_GENERIC_IOCTL_H */
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