[PATCH] Gracefully handle incompatible locale data

[Ludovic Courtès]

Ondřej Bílka <neleai@seznam.cz> skribis:

> On Tue, Sep 22, 2015 at 05:27:55PM +0200, Ludovic Courtès wrote:
>> With libc 2.22 people are starting to realize that libc does not
>> guarantee that it can load locale data built with another libc version,
>> but they learn it the hard way:
>> 
>>   loadlocale.c:130: _nl_intern_locale_data: Assertion `cnt < (sizeof (_nl_value_type_LC_COLLATE) / sizeof (_nl_value_type_LC_COLLATE[0]))' failed.
>> 
>> This patch changes such conditions to return EINVAL instead of aborting.
>> 
>> WDYT?
>> 
> While that assert is quite cryptic I dont see why just returning EINVAL is
> better. How do you distinguish that its wrong locale version versus not
> installed?

The rest of this function already returns EINVAL when something is
fishy.  This patch makes the behavior more consistent.

Ludo’.
c