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f858e23a29
The code fragment below
int foo(int *array, int index)
{
return array[index & 0xFF];
}
triggers an incorrect camelcase detection by checking a substring of the
hex constant:
CHECK: Avoid CamelCase: <xFF>
#3: FILE: test.c:3:
+ return array[index & 0xFF];
This is caused by passing the whole string "array[index & 0xFF]" to the
inner loop that iterates over a "$Ident" match. The numeric constant is
not a $Ident as it doesn't start with [A-Za-z_] and should be excluded
from the match.
Similar issue can be detected with other constants like "1uL", "0xffffU".
Force the match to start at word boundary so the $Ident will be properly
checked starting from its first char and the constants will be
filtered-out.
Link: https://lkml.kernel.org/r/20220613100055.77821-1-borneo.antonio@gmail.com
Signed-off-by: Antonio Borneo <borneo.antonio@gmail.com>
Cc: Joe Perches <joe@perches.com>
Cc: Andy Whitcroft <apw@canonical.com>
Cc: Dwaipayan Ray <dwaipayanray1@gmail.com>
Cc: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.