From: WATANABE Hirofumi <eban@...>
Date: 1998-06-25T01:00:32+09:00
Subject: [ruby-dev:3015] Re: casefold bug? in compiled regexps

わたなべです.

Kazunori NISHI <kazunori@swlab.csce.kyushu-u.ac.jp> writes:

:別に Regexp に恨みがある訳ではないですが、バグっぽいのを発見しました。

--- re.c.orig	Wed Jun 03 18:07:18 1998
+++ re.c	Thu Jun 25 00:02:26 1998
@@ -631,3 +631,3 @@
 
-    if (options & 0x1) {
+    if (options & RE_OPTION_IGNORECASE) {
 	FL_SET(re, REG_IGNORECASE);
@@ -765,3 +765,3 @@
     if (argc >= 2 && RTEST(argv[1])) {
-	flag = 1;
+	flag = RE_OPTION_IGNORECASE;
     }
@@ -771,9 +771,9 @@
 	  case 'n': case 'N':
-	    flag |= 2;
+	    flag |= 4;
 	    break;
 	  case 'e': case 'E':
-	    flag |= 4;
+	    flag |= 8;
 	    break;
 	  case 's': case 'S':
-	    flag |= 6;
+	    flag |= 12;
 	    break;