Hi Michael,

On Friday, 2012-12-21 17:07:18 +0000, Michael Meeks wrote:

>       Was just reading this code for one reason and another, and stumbled
> across the gem the appended tries to fix; since I'm not 100% certain
> what it's supposed to be doing, I thought I'd ask a man that knows
> things :-)

For the case that the localeName argument passed to the function is
a language-only name, for example "en", it determines the fall-back
locale, i.e. a locale we know, in this case "en-US", so we can load
locale data of a known locale.

> presumably a loop-invariant condition that will evaluate to
> true for the first item - is great for en_US but ... of course, I'm
> suspicious that the code / fallback fundamentally doesn't work in more
> interesting ways ;-) 

Indeed, it doesn't ... and going back to some previous code of 2004
revealed that there was a similar condition but slightly different as
the code maintained it's own fall-back table, the change introducing the
new fall-back got the condition wrong.

>          if (localeName.equalsAscii(aLibTable[i].pLocale) ||
> -                (bFallback && localeName == aFallback))
> +            (bFallback && aFallback.equalsAscii(aLibTable[i].pLocale)))

Makes sense.
http://cgit.freedesktop.org/libreoffice/core/commit/?id=896e326ace53bedf9b17fa624d260032b91bcfd1
http://cgit.freedesktop.org/libreoffice/core/commit/?h=libreoffice-4-0&id=d3b7a2bfe2a95153134f340c5a13a467de95a0dd
http://cgit.freedesktop.org/libreoffice/core/commit/?h=libreoffice-3-6&id=e4fc7017ec672be095f1bc98c4f957de3c8ddae1

Thanks for spotting

  Eike

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LibreOffice Calc developer. Number formatter stricken i18n transpositionizer.
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