[PATCH] Fix min/max needed for ascii to INTERNAL conversion

[Florian Weimer]

On 03/08/2016 10:19 AM, Andreas Schwab wrote:
> Florian Weimer <fweimer@redhat.com> writes:
> 
>> On 03/07/2016 05:48 PM, Andreas Schwab wrote:
>>> The values are swapped.  Installed as obvious.
>>>
>>> Andreas.
>>>
>>> 	* iconv/gconv_builtin.h ("=ascii->INTERNAL"): Correct min/max
>>> 	needed arguments.
>>
>> What's the impact?  Is it possible to write a test that shows a difference?
> 
> It's not a correctness issue, just efficiency.  The max_needed_to value
> is used in gconv_open to size the internal buffer between two steps, and
> the min_needed_from value has no real relevance (when
> __gconv_transform_ascii_internal returns __GCONV_EMPTY_INPUT, it has
> already consumed all of the input buffer anyway).  The other two values
> are never used.

Thank you for your detailed explanation.  It answers my question.

Florian