From: Ulrich Drepper <drepper@redhat.com>
Date: Thu, 13 Nov 2003 09:54:39 +0000 (+0000)
Subject: Update.
X-Git-Tag: upstream/2.30~18603
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=c34bfc8d37680f001ee1baa95ab9e0323adc5819;p=external%2Fglibc.git

Update.

2003-11-13  Ulrich Drepper  <drepper@redhat.com>

	* posix/regcomp.c (parse_expression): In BRE consecutive
	duplications are not allowed.
---

diff --git a/ChangeLog b/ChangeLog
index 1cc7df9..8661ab0 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2003-11-13  Ulrich Drepper  <drepper@redhat.com>
+
+	* posix/regcomp.c (parse_expression): In BRE consecutive
+	duplications are not allowed.
+
 2003-11-12  Ulrich Drepper  <drepper@redhat.com>
 
 	* posix/regcomp.c (parse_bracket_exp): If end of expression is
diff --git a/posix/regcomp.c b/posix/regcomp.c
index 531ec94..9a48aa3 100644
--- a/posix/regcomp.c
+++ b/posix/regcomp.c
@@ -2233,6 +2233,14 @@ parse_expression (regexp, preg, token, syntax, nest, err)
       tree = parse_dup_op (tree, regexp, dfa, token, syntax, err);
       if (BE (*err != REG_NOERROR && tree == NULL, 0))
 	return NULL;
+      /* In BRE consecutive duplications are not allowed.  */
+      if ((syntax & RE_CONTEXT_INVALID_DUP)
+	  && (token->type == OP_DUP_ASTERISK
+	      || token->type == OP_OPEN_DUP_NUM))
+	{
+	  *err = REG_BADRPT;
+	  return NULL;
+	}
       dfa->has_plural_match = 1;
     }