On Thu, Feb 28, 2019 at 03:36:14PM +0100, Igor Mammedov wrote:
>On Mon, 25 Feb 2019 09:25:29 +0800
>Wei Yang <richardw.y...@linux.intel.com> wrote:
>
>> We didn't specify the indent rule for multiline code here, which may
>> mislead users. And in current code, the code use different rules.
>diffrent from what? I'd use "various styles"
>
>>
>> Add this rule in CODING_STYLE to make sure this is clear to every one.
>>
>> Signed-off-by: Wei Yang <richardw.y...@linux.intel.com>
>> Suggested-by: Igor Mammedov <imamm...@redhat.com>
>>
>> ---
>> v4:
>> * widths -> width
>> * add an exception example for function
>> v3:
>> * misleading -> mislead
>> * add comma after arg2 in example
>> v2:
>> * rephrase changelog suggested by Eric Blake
>> - remove one redundant line
>> - fix some awkward grammar
>> - add { ; at the end of example
>> ---
>> CODING_STYLE | 29 +++++++++++++++++++++++++++++
>> 1 file changed, 29 insertions(+)
>>
>> diff --git a/CODING_STYLE b/CODING_STYLE
>> index ec075dedc4..1bccf4f865 100644
>> --- a/CODING_STYLE
>> +++ b/CODING_STYLE
>> @@ -29,6 +29,35 @@ Spaces of course are superior to tabs because:
>>
>> Do not leave whitespace dangling off the ends of lines.
>>
>> +1.1 Multiline Indent
>> +
>> +There are several places where indent is necessary:
>> +
>> + - struct definition
>> + - if/else
>> + - while/for
>> + - function definition & call
>> +
>> +When breaking up a long line to fit within line width, align the secondary
>> +lines just after the opening parenthesis of the first.
> Probably it's not true for struct/function, they could use 4 spaces indent
> relative to previous line. I'd drop struct as it just follow generic block
> 4 spaces rule. And describe possible function variants separately
>
That sounds reasonable. Let me adjust this.
>
>> +
>> +For example:
>> +
>> + if (a == 1 &&
>> + b == 2) {
>> +
>> + while (a == 1 &&
>> + b == 2) {
>> +
>> + do_something(arg1, arg2,
>> + arg3);
>> +
>> +One exception for function is indenting following lines relative to function
>> +name start:
>it's not really exception and used not only with functions, it's basically
>generic 4 spaces indent. Another variant I've seen used is
> foo(x, y(z,
> h);
>and variations of that
>
>
>> +
>> + do_something(arg1, arg2,
>> + arg3);
>> +
>> 2. Line width
>>
>> Lines should be 80 characters; try not to make them longer.
--
Wei Yang
Help you, Help me
