Re: [Qemu-devel] [RFC][PATCH v2 15/17] guest agent: qemu-ga daemon

[Jes Sorensen]

On 04/22/11 11:23, Ian Molton wrote:
> On Thu, 2011-04-21 at 08:21 -0500, Michael Roth wrote:
>>>> +    switch (level&  G_LOG_LEVEL_MASK) {
>>>> +        case G_LOG_LEVEL_ERROR:     return "error";
>>>> +        case G_LOG_LEVEL_CRITICAL:  return "critical";
>>>> +        case G_LOG_LEVEL_WARNING:   return "warning";
>>>> +        case G_LOG_LEVEL_MESSAGE:   return "message";
>>>> +        case G_LOG_LEVEL_INFO:      return "info";
>>>> +        case G_LOG_LEVEL_DEBUG:     return "debug";
>>>> +        default:                    return "user";
>>>> +    }
>>>
>>> Urgh!
>>>
>>> No two statements on the same line please!
> 
> Always wondered what the logic for this one is. IMHO the above is FAR
> neater than splitting it to near double its height.
> 
> What kind of coding error does splitting this out aim to prevent?
> missing break; / return; statements? Because I dont see how it achieves
> that...

Hiding things you miss when reading the code, it's a classic for people
to do if(foo) bleh(); on the same line, and whoever reads the code will
expect the action on the next line, especially if foo is a long complex
statement.

It's one of these 'just don't do it, it bites you in the end' things.

Jes