From 40f22b00e77ac75c759279c94cb9482b303dec6c Mon Sep 17 00:00:00 2001
From: matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 20 Oct 2004 15:44:06 +0000
Subject: * parse.y (lex_getline): should not touch ruby_debug_lines if  
 RIPPER is defined.  [ruby-dev:24547]

* string.c (str_gsub): 	reentrant check.  [ruby-dev:24432]


git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@7091 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 string.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'string.c')

diff --git a/string.c b/string.c
index af2354708..e2f7fab1e 100644
--- a/string.c
+++ b/string.c
@@ -2048,6 +2048,9 @@ str_gsub(argc, argv, str, bang)
 	if (iter) {
 	    rb_match_busy(match);
 	    val = rb_obj_as_string(rb_yield(rb_reg_nth_match(0, match)));
+	    if (RSTRING(str)->ptr == buf) {
+		rb_raise(rb_eRuntimeError, "gsub reentered");
+	    }
 	    rb_backref_set(match);
 	}
 	else {
-- 
cgit