(Qfile_name_handler_alist): Extern it.

(load_charset_map_from_file): Temporarily bind
`file-name-handler-alist' to nil while calling openp.

src/ChangeLog

+2009-03-09  Kenichi Handa  <handa@m17n.org>
+
+	* charset.c (Qfile_name_handler_alist): Extern it.
+	(load_charset_map_from_file): Temporarily bind
+	`file-name-handler-alist' to nil while calling openp.  (Bug#2435)
+
 2009-03-06  Aaron Ecay <aaronecay@gmail.com>  (tiny change)
 
 	* nsterm.m (ns_draw_vertical_window_border): Draw 1 pixel wide,

src/charset.c

@@ -477,6 +477,7 @@ read_hex (fp, eof)
   return n;
 }
 
+extern Lisp_Object Qfile_name_handler_alist;
 
 /* Return a mapping vector for CHARSET loaded from MAPFILE.
    Each line of MAPFILE has this form
@@ -490,7 +491,10 @@ read_hex (fp, eof)
    The returned vector has this form:
 	[ CODE1 CHAR1 CODE2 CHAR2 .... ]
    where CODE1 is a code-point or a cons of code-points specifying a
-   range.  */
+   range.
+
+   Note that this funciton uses `openp' to open MAPFILE but ignores
+   `file-name-handler-alist to avoid running any Lisp codes.  */
 
 extern void add_to_log P_ ((char *, Lisp_Object, Lisp_Object));
 
@@ -508,11 +512,14 @@ load_charset_map_from_file (charset, mapfile, control_flag)
   Lisp_Object suffixes;
   struct charset_map_entries *head, *entries;
   int n_entries;
+  int count = SPECPDL_INDEX ();
 
   suffixes = Fcons (build_string (".map"),
 		    Fcons (build_string (".TXT"), Qnil));
 
+  specbind (Qfile_name_handler_alist, Qnil);
   fd = openp (Vcharset_map_path, mapfile, suffixes, NULL, Qnil);
+  unbind_to (count, Qnil);
   if (fd < 0
       || ! (fp = fdopen (fd, "r")))
     {