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authorRich Felker <dalias@aerifal.cx>2017-03-21 08:59:48 -0400
committerRich Felker <dalias@aerifal.cx>2017-03-21 10:56:08 -0400
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tree82d15347988c014c8784a1065f5748575dbf6f34 /src/math/atanl.c
parent16319a5df9d50cfc642ffc8db76bc36562d4b3dd (diff)
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search locale name variants for gettext translations
often translations will be named only by language, whereas locale names may also include a territory code, modifier, and codeset portion. previously, only translations exactly matching the locale name were loaded. this was a major usability issue, requiring workarounds like symlinks or tweaking of the locale name. with these changes, gettext now searches for translations by first removing the codeset portion of the locale name, then trying the remainder in full, with modifier (@mod) removed, with territory code (_XX) removed, and with both removed. part of the reason gettext lacked support for searching fallbacks before is that the candidate pathname for a translation file was constructed on each call and used as the key to lookup an already-mapped translation file. this was very costly/inefficient. we now use the tuple of textdomain binding pointer, locale map pointer, and integer category id as the key for looking up a translation file mapping. based on patch by He X.
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