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doc: Update the introduction to the coding style information

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Marcel Holtmann 2014-08-08 18:28:23 -07:00
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doc/coding-style.txt
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Every project has its coding style, and oFono is not an exception. This Background
document describes the preferred coding style for oFono code, in order to keep ==========
some level of consistency among developers so that code can be easily
understood and maintained, and also to help your code survive under
maintainer's fastidious eyes so that you can get a passport for your patch
ASAP.
First of all, oFono coding style must follow every rule for Linux kernel Every project has its coding style, and the Wireless daemon is not an
(http://www.kernel.org/doc/Documentation/CodingStyle). There also exists a tool exception. This document describes the preferred coding style for the
named checkpatch.pl to help you check the compliance with it. Just type Wireless daemon code, in order to keep some level of consistency among
"checkpatch.pl --no-tree patch_name" to check your patch. In theory, you need developers so that code can be easily understood and maintained, and also
to clean up all the warnings and errors except this one: "ERROR: Missing to help your code survive under maintainer's fastidious eyes so that you
Signed-off-by: line(s)". oFono does not used Signed-Off lines, so including can get a passport for your patch ASAP.
them is actually an error. In certain circumstances one can ignore the 80
character per line limit. This is generally only allowed if the alternative
would make the code even less readable.
Besides the kernel coding style above, oFono has special flavors for its own. First of all, the Wireless daemon coding style must follow every rule for
Some of them are mandatory (marked as 'M'), while some others are optional Linux kernel (http://www.kernel.org/doc/Documentation/CodingStyle). There
(marked as 'O'), but generally preferred. also exists a tool named checkpatch.pl to help you check the compliance
with it. Just type "checkpatch.pl --no-tree patch_name" to check your patch.
In theory, you need to clean up all the warnings and errors except this
one: "ERROR: Missing Signed-off-by: line(s)". The Wirless daemon does not
used Signed-Off lines, so including them is actually an error. In certain
circumstances one can ignore the 80 character per line limit. This is
generally only allowed if the alternative would make the code even less
readable.
Besides the kernel coding style above, the Wireless daemon has special
flavors for its own. Some of them are mandatory (marked as 'M'), while
some others are optional (marked as 'O'), but generally preferred.
M1: Blank line before and after an if/while/do/for statement M1: Blank line before and after an if/while/do/for statement