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

[Paolo Carlini]

Pétur Runólfsson wrote:

>Paolo Carlini wrote:
>
>>However, I have a major concern: what about the similar issue 
>>we have with
>>collate::transform? collate::compare and collate::transform 
>>should be fixed in a
>>similar way, not only for general consistency sake, but also 
>>because they must
>>be able to work together.
>>
>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?

If this is the case, you approach should be preferred.

Paolo.