Nikolay Sivov : ntdll: Do not set system locales that resolve to custom-unspecified.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 57f251d05099eab9e69ffc5af9e218e9d7d571f1
URL:    https://gitlab.winehq.org/wine/wine/-/commit/57f251d05099eab9e69ffc5af9e218e...

Author: Nikolay Sivov <nsivov(a)codeweavers.com>
Date:   Thu Nov 17 18:35:08 2022 +0300

ntdll: Do not set system locales that resolve to custom-unspecified.

Signed-off-by: Nikolay Sivov <nsivov(a)codeweavers.com>

---

 dlls/ntdll/locale.c   | 14 ++++----------
 dlls/ntdll/unix/env.c |  2 +-
 2 files changed, 5 insertions(+), 11 deletions(-)

diff --git a/dlls/ntdll/locale.c b/dlls/ntdll/locale.c
index 105de1feec4..73c0c2c5520 100644
--- a/dlls/ntdll/locale.c
+++ b/dlls/ntdll/locale.c
@@ -94,6 +94,7 @@ invalid:
 
 void locale_init(void)
 {
+    const NLS_LOCALE_LCID_INDEX *entry;
     USHORT utf8[2] = { 0, CP_UTF8 };
     WCHAR locale[LOCALE_NAME_MAX_LENGTH];
     LARGE_INTEGER unused;
@@ -112,16 +113,9 @@ void locale_init(void)
     locale_table = (const NLS_LOCALE_HEADER *)((char *)header + header->locales);
     locale_strings = (const WCHAR *)((char *)locale_table + locale_table->strings_offset);
 
-    if (system_lcid == LOCALE_CUSTOM_UNSPECIFIED)
-    {
-        ansi_cp = oem_cp = CP_UTF8;
-    }
-    else
-    {
-        const NLS_LOCALE_LCID_INDEX *entry = find_lcid_entry( locale_table, system_lcid );
-        ansi_cp = get_locale_data( locale_table, entry->idx )->idefaultansicodepage;
-        oem_cp = get_locale_data( locale_table, entry->idx )->idefaultcodepage;
-    }
+    entry = find_lcid_entry( locale_table, system_lcid );
+    ansi_cp = get_locale_data( locale_table, entry->idx )->idefaultansicodepage;
+    oem_cp = get_locale_data( locale_table, entry->idx )->idefaultcodepage;
 
     NtQueryDefaultLocale( TRUE, &user_resource_lcid );
     user_resource_neutral_lcid = PRIMARYLANGID( user_resource_lcid );
diff --git a/dlls/ntdll/unix/env.c b/dlls/ntdll/unix/env.c
index 062da7600b1..ad5a7c412d6 100644
--- a/dlls/ntdll/unix/env.c
+++ b/dlls/ntdll/unix/env.c
@@ -859,7 +859,7 @@ static void init_locale(void)
     if ((header = read_nls_file( "locale.nls" )))
     {
         locale_table = (const NLS_LOCALE_HEADER *)((char *)header + header->locales);
-        if ((locale =  get_win_locale( locale_table, system_locale )))
+        if ((locale =  get_win_locale( locale_table, system_locale )) && locale->idefaultlanguage != LOCALE_CUSTOM_UNSPECIFIED)
             system_lcid = locale->idefaultlanguage;
         if ((locale =  get_win_locale( locale_table, user_locale )))
             user_lcid = locale->idefaultlanguage;