[Bug 45322] League Of Legends installer on tr_TR.UTF-8: unknown color " systemhighlight"

[wine-bugs at winehq.org]

https://bugs.winehq.org/show_bug.cgi?id=45322

--- Comment #9 from Jactry Zeng <jactry92 at gmail.com> ---
Created attachment 63861
  --> https://bugs.winehq.org/attachment.cgi?id=63861
testcase of strncasecmp.

Interesting, this seems like a bug of glibc.
msvcrt._stricmp is using strncasecmp() from glibc for some case, and
strncasecmp() return a wrong result on tr_TR.UTF-8.

Attachment is a testcase for describing it, you can compile it with `gcc
test_strncasecmp.c -o test_strncasecmp -Wall`. On my Debian with 2.28-8 it
return -32 for the first comparing. And on macOS it returned 0, since macOS was
using a different C library implementation.

Commenting the strncasecmp() branch in msvcrt's MSVCRT__strnicmp_l() will make
this installer work, too.

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