* file.c (file_expand_path): should not just copy the encoding

from fname.  [ruby-core:28635]

* file.c (EXPAND_PATH_BUFFER): set filesystem_encoding, not
  usascii for path buffer.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@26909 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,11 @@
+Sat Mar 13 23:48:27 2010  Yukihiro Matsumoto  <matz@ruby-lang.org>
+
+	* file.c (file_expand_path): should not just copy the encoding
+	  from fname.  [ruby-core:28635]
+
+	* file.c (EXPAND_PATH_BUFFER): set filesystem_encoding, not
+	  usascii for path buffer.
+
 Sat Mar 13 17:48:43 2010  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* tool/file2lastrev.rb: refactord.  fixed changed revision of git.

file.c

@@ -2831,7 +2831,7 @@ file_expand_path(VALUE fname, VALUE dname, int abs_mode, VALUE result)
 	p = buf + (s - b);
 	BUFCHECK(bdiff >= buflen);
 	memset(buf, '/', p - buf);
-	rb_enc_copy(result, fname);
+	rb_enc_associate(result, rb_enc_check(result, fname));
     }
     if (p > buf && p[-1] == '/')
 	--p;
@@ -2998,7 +2998,7 @@ file_expand_path(VALUE fname, VALUE dname, int abs_mode, VALUE result)
     return result;
 }
 
-#define EXPAND_PATH_BUFFER() rb_usascii_str_new(0, MAXPATHLEN + 2)
+#define EXPAND_PATH_BUFFER() rb_filesystem_str_new(0, MAXPATHLEN + 2)
 
 #define check_expand_path_args(fname, dname) \
     ((fname = rb_get_path(fname)), \