Re: 回复: 回复: Fix potential overflow risks from wcscpy and sprintf

Yan Haibo <haibo.yan@hotmail.com> writes:
> Regarding the use of wcsncpy with LOCALE_NAME_MAX_LENGTH - 1, it is a precaution in case the input string is not
null-terminated.

I don't think it's a "precaution".  I think it's introducing a real
bug (that is, failure on a locale name of exactly the max allowed
length) to prevent a hypothetical bug.

            regards, tom lane