krnl386.exe16: Fix handling of DBCS characters in FINDNEXT.

Fixes: 6e22d12
rhsCZ · Dec 29, 2023 · cf4c32b · cf4c32b
1 parent 8ea7eb2
commit cf4c32b
Showing 1 changed file with 10 additions and 3 deletions.
diff --git a/krnl386/int21.c b/krnl386/int21.c
@@ -4067,13 +4067,20 @@ static BOOL INT21_FindNext( CONTEXT *context )
         FileTimeToDosDateTime( entry.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY ? &entry.ftCreationTime : &entry.ftLastWriteTime, &dta->filedate, &dta->filetime );
         memset(dta->filename, 0, 13);
         if (entry.cAlternateFileName[0])
+        {
+            /* shoud be UPPER CASE */
+            for (int i = 0; i < 13; i++)
+                entry.cAlternateFileName[i] = toupperW(entry.cAlternateFileName[i]);
             WideCharToMultiByte(CP_OEMCP, 0, entry.cAlternateFileName, -1,
                                 dta->filename, 13, NULL, NULL);
+        }
         else
+        {
+            /* shoud be UPPER CASE */
+            for (int i = 0; i < 13; i++)
+                entry.cFileName[i] = toupperW(entry.cFileName[i]);
             WideCharToMultiByte(CP_OEMCP, 0, entry.cFileName, -1, dta->filename, 13, NULL, NULL);
-        /* shoud be UPPER CASE */
-        for (int i = 0; i < 13; i++)
-            dta->filename[i] = toupper(dta->filename[i]);
+        }
 
         if (!memchr(dta->mask,'?',11))
         {