Paul Gofman : kernelbase: Get language sort only when required in LCMapStringEx().

[Alexandre Julliard]

Module: wine
Branch: master
Commit: cf3bb0ce0d07531f7c8a053d5184bf2b0b287ce8
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=cf3bb0ce0d07531f7c8a053d5184bf2b0b287ce8

Author: Paul Gofman <pgofman at codeweavers.com>
Date:   Tue Dec  8 13:07:19 2020 +0300

kernelbase: Get language sort only when required in LCMapStringEx().

Fixes very slow loading (a few minutes) of Warhammer 40000: Inquisitor
- Martyr after b780e5f5b1bd018629bfa31431e216c7579fe9aa.

Signed-off-by: Paul Gofman <pgofman at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>

---

 dlls/kernelbase/locale.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/dlls/kernelbase/locale.c b/dlls/kernelbase/locale.c
index 7218a159844..c60b796aa48 100644
--- a/dlls/kernelbase/locale.c
+++ b/dlls/kernelbase/locale.c
@@ -5205,7 +5205,7 @@ INT WINAPI DECLSPEC_HOTPATCH LCMapStringEx( const WCHAR *locale, DWORD flags, co
                                             WCHAR *dst, int dstlen, NLSVERSIONINFO *version,
                                             void *reserved, LPARAM handle )
 {
-    const struct sortguid *sortid;
+    const struct sortguid *sortid = NULL;
     LPWSTR dst_ptr;
     INT len;
 
@@ -5236,7 +5236,7 @@ INT WINAPI DECLSPEC_HOTPATCH LCMapStringEx( const WCHAR *locale, DWORD flags, co
 
     if (!dstlen) dst = NULL;
 
-    if (!(sortid = get_language_sort( locale )))
+    if (flags & LCMAP_LINGUISTIC_CASING && !(sortid = get_language_sort( locale )))
     {
         FIXME( "unknown locale %s\n", debugstr_w(locale) );
         SetLastError( ERROR_INVALID_PARAMETER );