kazu	2009-02-05 07:42:06 +0900 (Thu, 05 Feb 2009)

  New Revision: 22054

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=22054

  Log:
    * ext/readline/readline.c (Init_readline): entry may be NULL.
      [ruby-dev:37891]

  Modified files:
    trunk/ChangeLog
    trunk/ext/readline/readline.c

Index: ChangeLog
===================================================================
--- ChangeLog	(revision 22053)
+++ ChangeLog	(revision 22054)
@@ -1,3 +1,8 @@
+Thu Feb  5 07:39:33 2009  Kazuhiro NISHIYAMA  <zn@m...>
+
+	* ext/readline/readline.c (Init_readline): entry may be NULL.
+	  [ruby-dev:37891]
+
 Thu Feb  5 03:55:22 2009  Yukihiro Matsumoto  <matz@r...>
 
 	* time.c (LOCALTIME): should call tzset() before localtime_r().
Index: ext/readline/readline.c
===================================================================
--- ext/readline/readline.c	(revision 22053)
+++ ext/readline/readline.c	(revision 22054)
@@ -1349,8 +1349,10 @@
 #else
 	{
 	    HIST_ENTRY *entry = remove_history(0);
-	    free((char *)entry->line);
-	    free(entry);
+	    if (entry) {
+		free((char *)entry->line);
+		free(entry);
+	    }
 	}
 #endif
     }

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