On 02/24/2014 10:42 AM, Michal Privoznik wrote:
>>
>> +VIR_ENUM_DECL(vshDomainIOError)
>> +VIR_ENUM_IMPL(vshDomainIOError,
>> + VIR_DOMAIN_DISK_ERROR_LAST,
>> + N_("no error"),
>> + N_("unspecified error"),
>> + N_("no space"))
>> +
>> - return _("unknown error");
>> + const char *str = vshDomainIOErrorTypeToString(error);
>> + return str ? _(str) : _("unknown error");
>> }
>>
>
> Why _(str) if str itself already contains translated message?
str is NOT translated. C semantics forbid initializing something with a
function call, and VIR_ENUM_IMPL is creating an initializer. N_() is a
markup that is a no-op to the C compiler (so you aren't violating
initializer rules) while still marking a string for translation for the
purposes of xgettext scanning; we still have to actually translate the
string at some point down the road. Hence, my call to _(str) - where we
are translating a string, but where xgettext sees that it is a variable
rather than a string literal and so has nothing it can stick in the .po
file. You need both halves for translating strings that are stored in
an initializer list.
--
Eric Blake eblake redhat com +1-919-301-3266
Libvirt virtualization library http://libvirt.org
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