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I am running as root, but have the user’s uid (e.g. 504). How can I work out the user’s locale (in my case en_GB)? The following does not work:
setuid(user_uid);
fprintf(stderr,
CFStringGetCStringPtr(CFLocaleGetIdentifier(CFLocaleCopyCurrent()),
kCFStringEncodingMacRoman);
setuid(0);
This outputs en_US for me.
This information is contained in
GlobalPreferences.plist, so running:gives the desired result.