Re: [PATCH] Avoid reuse of string buffer when concatening adjacent string litterals

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On Wed, Feb 04 2015, Christopher Li <sparse@xxxxxxxxxxx> wrote:

> On Wed, Feb 4, 2015 at 12:58 AM, Rasmus Villemoes
> <linux@xxxxxxxxxxxxxxxxxx> wrote:
>> On Wed, Feb 04 2015, Rasmus Villemoes <linux@xxxxxxxxxxxxxxxxxx> wrote:
>>
>>> And I wasn't hallucinating, I was just overcomplicating things:
>>>
>>> #define NOT_TAB "\\t"
>>>
>>> static const char s1[] = NOT_TAB;
>>> static const char s2[] = NOT_TAB;
>>>
>>> indeed fails.
>>
>> While we're collecting examples, let me also mention that __FILE__
>> doesn't work for files with backslash in their name. Sane people of
>> course don't put backslashes in file names, but they are a rather normal
>> occurence in path names on a certain operating system.
>
> Can you submit a patch for adding the test case you found?
> I will include those into the the test suit.

I'd like to, but I'm not sure how to write the test in terms of sparse's
test frame work. How do I check that the string is as expected? 

Rasmus
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