[PATCH] Rename _B to _XBYTE in libfdt_env.h.

[Jon Loeliger]

OK.  Let's review how development works, by convention, in the Open
Source Community.  For starters, it's not my itch to scratch, as I don't
care about Cygwin.  As follow up, here's a public posting of the patch
for review.

Thanks for understanding,
jdl

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Subject: Re: [PATCH] Rename _B to _XBYTE in libfdt_env.h.
To: Jon Loeliger <jdl at jdl.com>
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Ok, here is the version against your git repo head.
If there are any more problems, please do the one-line sed yourself, as
this probably costs us both significantly more time compared to if you did
it yourself.


Best regards,

Andrej



The _B macro is also defined by cygwin in ctype.h.
Rename _B to _XBYTE to better avoid name collisions.

Signed-off-by: Andrej Krutak <andree at andree.sk>
- ---
 libfdt/libfdt_env.h |   13 +++++++------
 1 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/libfdt/libfdt_env.h b/libfdt/libfdt_env.h
index da952e7..e8d2992 100644
- --- a/libfdt/libfdt_env.h
+++ b/libfdt/libfdt_env.h
@@ -5,25 +5,26 @@
 #include <stdint.h>
 #include <string.h>

- -#define _B(n)    ((unsigned long long)((uint8_t *)&x)[n])
+#define _XBYTE(n)    ((unsigned long long)((uint8_t *)&x)[n])
 static inline uint16_t fdt16_to_cpu(uint16_t x)
 {
- -    return (_B(0) << 8) | _B(1);
+    return (_XBYTE(0) << 8) | _XBYTE(1);
 }
 #define cpu_to_fdt16(x) fdt16_to_cpu(x)

 static inline uint32_t fdt32_to_cpu(uint32_t x)
 {
- -    return (_B(0) << 24) | (_B(1) << 16) | (_B(2) << 8) | _B(3);
+    return (_XBYTE(0) << 24) | (_XBYTE(1) << 16) | (_XBYTE(2) << 8) |
_XBYTE(3);
 }
 #define cpu_to_fdt32(x) fdt32_to_cpu(x)

 static inline uint64_t fdt64_to_cpu(uint64_t x)
 {
- -    return (_B(0) << 56) | (_B(1) << 48) | (_B(2) << 40) | (_B(3) << 32)
- -        | (_B(4) << 24) | (_B(5) << 16) | (_B(6) << 8) | _B(7);
+    return (_XBYTE(0) << 56) | (_XBYTE(1) << 48) | (_XBYTE(2) << 40)
+        | (_XBYTE(3) << 32) | (_XBYTE(4) << 24) | (_XBYTE(5) << 16)
+        | (_XBYTE(6) << 8) | _XBYTE(7);
 }
 #define cpu_to_fdt64(x) fdt64_to_cpu(x)
- -#undef _B
+#undef _XBYTE

 #endif /* _LIBFDT_ENV_H */
- -- 
1.7.4.1



On Mon, Apr 9, 2012 at 3:49 PM, Jon Loeliger <jdl at jdl.com> wrote:

> > The _B macro is also defined by cygwin in ctype.h.
> > Rename _B to _XBYTE to better avoid name collisions.
> >
> > Signed-off-by: Andrej Krutak <andree at andree.sk>
> > ---
> >  scripts/dtc/libfdt/libfdt_env.h |   11 ++++++-----
> >  1 files changed, 6 insertions(+), 5 deletions(-)
> >
> > diff --git a/scripts/dtc/libfdt/libfdt_env.h
> b/scripts/dtc/libfdt/libfdt_env.h
> > index 449bf60..4ec8565 100644
> > --- a/scripts/dtc/libfdt/libfdt_env.h
> > +++ b/scripts/dtc/libfdt/libfdt_env.h
>
> This patch is against the kernel _copy_ of the DTC sources.
> Technically, we'll need it against the upstream sources
> as found here:
>
>    git://git.jdl.com/software/dtc.git
>
> Later, the patch will appear in the kernel when it updates
> with a newer source drop.
>
> Thanks,
> jdl


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