[RFC] libstdc++/9817 or "passing C++ strings to C functions"

[Paolo Carlini]

Pétur Runólfsson wrote:

>Paolo Carlini wrote:
>  
>
>>>Isn't it possible to use the same strategy? That is break the
>>>string into chunks separated by \0, then transform each chunk
>>>with strxfrm (again, untested code):
>>>
>>>      
>>>
>>Interesting.
>>Do you believe that proceeding in this way the corresponding
>>results are always consistent?
>>I mean, collate::transform and then plain string compare always
>>give the same result of collate::compare?
>>    
>>
>Yes, I think I can give a formal proof of this if anybody is
>interested (hint: split each string x into zero-terminated
>substrings x1, x2, ... xn, then consider the results for each
>substring xi), but I would like to at least compile this before
>giving a definite answer :-)
>
Great! Please go ahead.
I'm changing the responsible from Paolo Carlini to "nobody" (i.e., *you* ;)

Look forward to see your complete patch.

Thanks,
Paolo.