naruse	2010-01-29 09:56:10 +0900 (Fri, 29 Jan 2010)

  New Revision: 26464

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=26464

  Log:
    * enc/trans/utf8_mac.trans (buf_shift_char): don't see uninitialised
      value. [ruby-dev:40233]

  Modified files:
    trunk/ChangeLog
    trunk/enc/trans/utf8_mac.trans

Index: ChangeLog
===================================================================
--- ChangeLog	(revision 26463)
+++ ChangeLog	(revision 26464)
@@ -1,3 +1,8 @@
+Fri Jan 29 09:43:30 2010  NARUSE, Yui  <naruse@r...>
+
+	* enc/trans/utf8_mac.trans (buf_shift_char): don't see uninitialised
+	  value. [ruby-dev:40233]
+
 Fri Jan 29 01:42:24 2010  Yukihiro Matsumoto  <matz@r...>
 
 	* lib/delegate.rb (Delegator#initialize_copy): use initialize_copy
Index: enc/trans/utf8_mac.trans
===================================================================
--- enc/trans/utf8_mac.trans	(revision 26463)
+++ enc/trans/utf8_mac.trans	(revision 26464)
@@ -85,10 +85,10 @@
 void
 buf_shift_char(struct from_utf8_mac_status *sp)
 {
-    while (sp->beg != sp->end) {
+    if (sp->beg == sp->end) return;
+    do {
         buf_shift(sp);
-        if ((sp->buf[sp->beg] & 0xC0) != 0x80) break;
-    }
+    } while (sp->beg != sp->end && (sp->buf[sp->beg] & 0xC0) == 0x80);
 }
 
 void

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