chcp: Use OEM code page for output.

programs/chcp.com/main.c

@@ -26,10 +26,9 @@ WINE_DEFAULT_DEBUG_CHANNEL(chcp);
 
 static void output_writeconsole(const WCHAR *str, DWORD wlen)
 {
-    DWORD count, ret;
+    DWORD count;
 
-    ret = WriteConsoleW(GetStdHandle(STD_OUTPUT_HANDLE), str, wlen, &count, NULL);
-    if (!ret)
+    if (!WriteConsoleW(GetStdHandle(STD_OUTPUT_HANDLE), str, wlen, &count, NULL))
     {
         DWORD len;
         char  *msgA;
@@ -38,10 +37,11 @@ static void output_writeconsole(const WCHAR *str, DWORD wlen)
          * back to WriteFile(), assuming the console encoding is still the right
          * one in that case.
          */
-        len = WideCharToMultiByte(GetConsoleOutputCP(), 0, str, wlen, NULL, 0, NULL, NULL);
+        len = WideCharToMultiByte(GetOEMCP(), 0, str, wlen, NULL, 0, NULL, NULL);
         msgA = malloc(len);
+        if (!msgA) return;
 
-        WideCharToMultiByte(GetConsoleOutputCP(), 0, str, wlen, msgA, len, NULL, NULL);
+        WideCharToMultiByte(GetOEMCP(), 0, str, wlen, msgA, len, NULL, NULL);
         WriteFile(GetStdHandle(STD_OUTPUT_HANDLE), msgA, len, &count, FALSE);
         free(msgA);
     }