[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [xen master] xen/public: fix violations of MISRA C:2012 Rule 7.2
commit 952ce1f38f40c975cb8a72b98b2a41c5331e969f Author: Gianluca Luparini <gianluca.luparini@xxxxxxxxxxx> AuthorDate: Wed Jul 12 13:30:49 2023 +0200 Commit: Jan Beulich <jbeulich@xxxxxxxx> CommitDate: Wed Jul 12 13:30:49 2023 +0200 xen/public: fix violations of MISRA C:2012 Rule 7.2 The xen sources contains violations of MISRA C:2012 Rule 7.2 whose headline states: "A 'u' or 'U' suffix shall be applied to all integer constants that are represented in an unsigned type". Add the 'U' suffix to integers literals with unsigned type. For the sake of uniformity, the following changes are made: - add the 'U' suffix to integer constants before the '?' operator Signed-off-by: Gianluca Luparini <gianluca.luparini@xxxxxxxxxxx> Signed-off-by: Simone Ballarin <simone.ballarin@xxxxxxxxxxx> Reviewed-by: Juergen Gross <jgross@xxxxxxxx> Reviewed-by: Stefano Stabellini <sstabellini@xxxxxxxxxx> --- xen/include/public/io/ring.h | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/xen/include/public/io/ring.h b/xen/include/public/io/ring.h index 025939278b..0cae4367be 100644 --- a/xen/include/public/io/ring.h +++ b/xen/include/public/io/ring.h @@ -36,11 +36,11 @@ typedef unsigned int RING_IDX; /* Round a 32-bit unsigned constant down to the nearest power of two. */ -#define __RD2(_x) (((_x) & 0x00000002) ? 0x2 : ((_x) & 0x1)) -#define __RD4(_x) (((_x) & 0x0000000c) ? __RD2((_x)>>2)<<2 : __RD2(_x)) -#define __RD8(_x) (((_x) & 0x000000f0) ? __RD4((_x)>>4)<<4 : __RD4(_x)) -#define __RD16(_x) (((_x) & 0x0000ff00) ? __RD8((_x)>>8)<<8 : __RD8(_x)) -#define __RD32(_x) (((_x) & 0xffff0000) ? __RD16((_x)>>16)<<16 : __RD16(_x)) +#define __RD2(x) (((x) & 0x00000002U) ? 0x2 : ((x) & 0x1)) +#define __RD4(x) (((x) & 0x0000000cU) ? __RD2((x) >> 2) << 2 : __RD2(x)) +#define __RD8(x) (((x) & 0x000000f0U) ? __RD4((x) >> 4) << 4 : __RD4(x)) +#define __RD16(x) (((x) & 0x0000ff00U) ? __RD8((x) >> 8) << 8 : __RD8(x)) +#define __RD32(x) (((x) & 0xffff0000U) ? __RD16((x) >> 16) << 16 : __RD16(x)) /* * Calculate size of a shared ring, given the total available space for the -- generated by git-patchbot for /home/xen/git/xen.git#master
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