1) Use errno to indicate faulure reason. 2) Move incomplete check for / in locale name from env section to loadlocale(), add check for "." and ".." too. It allows to check any argument, not env only. 3) Redesing LOAD_CATEGORY macro to eliminate code duplication. 4) Try harder in fallback code: if old locale can't be restored, load "C" locale 5) White space formatting, long lines, etc.
1) Use errno to indicate faulure reason.
2) Move incomplete check for / in locale name from env section to
loadlocale(), add check for "." and ".." too.
It allows to check any argument, not env only.
3) Redesing LOAD_CATEGORY macro to eliminate code duplication.
4) Try harder in fallback code: if old locale can't be restored,
load "C" locale
5) White space formatting, long lines, etc.

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