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| author | Meizu OpenSource <patchwork@meizu.com> | 2016-08-15 10:19:42 +0800 |
|---|---|---|
| committer | Meizu OpenSource <patchwork@meizu.com> | 2016-08-15 10:19:42 +0800 |
| commit | d2e1446d81725c351dc73a03b397ce043fb18452 (patch) | |
| tree | 4dbc616b7f92aea39cd697a9084205ddb805e344 /include/asm-generic/ioctl.h | |
first commit
Diffstat (limited to 'include/asm-generic/ioctl.h')
| -rw-r--r-- | include/asm-generic/ioctl.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/asm-generic/ioctl.h b/include/asm-generic/ioctl.h new file mode 100644 index 000000000..d17295b29 --- /dev/null +++ b/include/asm-generic/ioctl.h @@ -0,0 +1,12 @@ +#ifndef _ASM_GENERIC_IOCTL_H +#define _ASM_GENERIC_IOCTL_H + +#include <uapi/asm-generic/ioctl.h> + +/* 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 /* _ASM_GENERIC_IOCTL_H */ |