ntdll: Avoid using toupperW().

dlls/ntdll/directory.c

@@ -1394,7 +1394,7 @@ static BOOLEAN match_filename( const UNICODE_STRING *name_str, const UNICODE_STR
             if (is_case_sensitive)
                 while (name < name_end && (*name != *mask)) name++;
             else
-                while (name < name_end && (toupperW(*name) != toupperW(*mask))) name++;
+                while (name < name_end && (towupper(*name) != towupper(*mask))) name++;
             next_to_retry = name;
             break;
         case '?':
@@ -1403,7 +1403,7 @@ static BOOLEAN match_filename( const UNICODE_STRING *name_str, const UNICODE_STR
             break;
         default:
             if (is_case_sensitive) mismatch = (*mask != *name);
-            else mismatch = (toupperW(*mask) != toupperW(*name));
+            else mismatch = (towupper(*mask) != towupper(*name));
 
             if (!mismatch)
             {

dlls/ntdll/loadorder.c

@@ -89,13 +89,12 @@ static const WCHAR *get_basename( const WCHAR *name )
  *
  * Remove extension if it is ".dll".
  */
-static inline void remove_dll_ext( WCHAR *ext )
+static inline void remove_dll_ext( WCHAR *name )
 {
-    if (ext[0] == '.' &&
-        toupperW(ext[1]) == 'D' &&
-        toupperW(ext[2]) == 'L' &&
-        toupperW(ext[3]) == 'L' &&
-        !ext[4]) ext[0] = 0;
+    static const WCHAR dllW[] = {'.','d','l','l',0};
+    WCHAR *p = strrchrW( name, '.' );
+
+    if (p && !wcsicmp( p, dllW )) *p = 0;
 }
 
 
@@ -213,8 +212,7 @@ static void add_load_order_set( WCHAR *entry )
         if (*end) *end++ = 0;
         if (*entry)
         {
-            WCHAR *ext = strrchrW(entry, '.');
-            if (ext) remove_dll_ext( ext );
+            remove_dll_ext( entry );
             ldo.modulename = entry;
             add_load_order( &ldo );
             entry = end;
@@ -457,10 +455,9 @@ enum loadorder get_load_order( const WCHAR *app_name, const UNICODE_STRING *nt_n
     if (!(len = strlenW(path))) return ret;
     if (!(module = RtlAllocateHeap( GetProcessHeap(), 0, (len + 2) * sizeof(WCHAR) ))) return ret;
     strcpyW( module+1, path );  /* reserve module[0] for the wildcard char */
+    remove_dll_ext( module + 1 );
     basename = (WCHAR *)get_basename( module+1 );
 
-    if (len >= 4) remove_dll_ext( module + 1 + len - 4 );
-
     /* first explicit module name */
     if ((ret = get_load_order_value( std_key, app_key, module+1 )) != LO_INVALID)
         goto done;

dlls/ntdll/locale.c

@@ -1638,7 +1638,8 @@ WCHAR __cdecl NTDLL_towlower( WCHAR ch )
  */
 WCHAR __cdecl NTDLL_towupper( WCHAR ch )
 {
-    return casemap( nls_info.UpperCaseTable, ch );
+    if (nls_info.UpperCaseTable) return casemap( nls_info.UpperCaseTable, ch );
+    return casemap_ascii( ch );
 }
 
 

dlls/ntdll/ntdll_misc.h

@@ -298,6 +298,7 @@ ULONG  __cdecl NTDLL_wcstoul( LPCWSTR s, LPWSTR *end, INT base );
 
 #define wcsicmp(s1,s2) NTDLL__wcsicmp(s1,s2)
 #define wcsnicmp(s1,s2,n) NTDLL__wcsnicmp(s1,s2,n)
+#define towupper(c) NTDLL_towupper(c)
 #define wcslwr(s) NTDLL__wcslwr(s)
 #define wcsupr(s) NTDLL__wcsupr(s)
 

dlls/ntdll/path.c

@@ -670,7 +670,7 @@ static ULONG get_full_path_helper(LPCWSTR name, LPWSTR buffer, ULONG size)
 
     case RELATIVE_DRIVE_PATH:   /* c:foo   */
         dep = 2;
-        if (toupperW(name[0]) != toupperW(cd->Buffer[0]) || cd->Buffer[1] != ':')
+        if (wcsnicmp( name, cd->Buffer, 2 ))
         {
             UNICODE_STRING      var, val;