msvcrt: Use per thread locale in many functions.

dlls/msvcrt/ctype.c

@@ -62,7 +62,7 @@ WORD* MSVCRT__pctype;
  */
 WORD** CDECL MSVCRT___pctype_func(void)
 {
-  return &MSVCRT__pctype;
+  return &get_locale()->locinfo->pctype;
 }
 
 /*********************************************************************
@@ -70,21 +70,23 @@ WORD** CDECL MSVCRT___pctype_func(void)
  */
 int CDECL _isctype(int c, int type)
 {
+  MSVCRT__locale_t locale = get_locale();
+
   if (c >= -1 && c <= 255)
-    return MSVCRT__pctype[c] & type;
+    return locale->locinfo->pctype[c] & type;
 
-  if (MSVCRT___mb_cur_max != 1 && c > 0)
+  if (locale->locinfo->mb_cur_max != 1 && c > 0)
   {
     /* FIXME: Is there a faster way to do this? */
     WORD typeInfo;
     char convert[3], *pconv = convert;
 
-    if (MSVCRT__pctype[(UINT)c >> 8] & MSVCRT__LEADBYTE)
+    if (locale->locinfo->pctype[(UINT)c >> 8] & MSVCRT__LEADBYTE)
       *pconv++ = (UINT)c >> 8;
     *pconv++ = c & 0xff;
     *pconv = 0;
     /* FIXME: Use ctype LCID, not lc_all */
-    if (GetStringTypeExA(MSVCRT_locale->locinfo->lc_handle[MSVCRT_LC_CTYPE],
+    if (GetStringTypeExA(get_locale()->locinfo->lc_handle[MSVCRT_LC_CTYPE],
                 CT_CTYPE1, convert, convert[1] ? 2 : 1, &typeInfo))
       return typeInfo & type;
   }

dlls/msvcrt/file.c

@@ -2467,7 +2467,7 @@ MSVCRT_wint_t CDECL MSVCRT_fgetwc(MSVCRT_FILE* file)
     }
     
   c = MSVCRT_fgetc(file);
-  if ((MSVCRT___mb_cur_max > 1) && MSVCRT_isleadbyte(c))
+  if ((get_locale()->locinfo->mb_cur_max > 1) && MSVCRT_isleadbyte(c))
     {
       FIXME("Treat Multibyte characters\n");
     }

dlls/msvcrt/locale.c

@@ -526,7 +526,7 @@ int CDECL ___lc_codepage_func(void)
  */
 int CDECL ___lc_collate_cp_func(void)
 {
-    return MSVCRT___lc_collate_cp;
+    return get_locale()->locinfo->lc_collate_cp;
 }
 
 /* _free_locale - not exported in native msvcrt */