[Date Prev] | [Thread Prev] | [Thread Next] | [Date Next] -- [Date Index] | [Thread Index] | [List Home]
Subject: [PATCH] introduction: add note on bitfield portability
Signed-off-by: Michael S. Tsirkin <mst@redhat.com> --- introduction.tex | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/introduction.tex b/introduction.tex index d0b770e..18ad76e 100644 --- a/introduction.tex +++ b/introduction.tex @@ -175,5 +175,12 @@ packed by C compilers on little-endian architectures but not the way bitfields are packed by C compilers on big-endian architectures. +Assuming that CPU_TO_BE16 converts a 16-bit integer from a native +CPU to the big-endian byte order, the following is the equivalent +portable C code to generate a value in this format: +\begin{lstlisting} +CPU_TO_BE16(B << 15 | A) +\end{lstlisting} + \newpage -- MST
[Date Prev] | [Thread Prev] | [Thread Next] | [Date Next] -- [Date Index] | [Thread Index] | [List Home]