Sun, 3 Oct 2010 09:30:30 +0000 nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>

 merge revision(s) 29396:
 
 	* parse.y (rb_intern): should check symbol table overflow.
 	 #3900 [ruby-dev:42330]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@29396 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Signed-off-by: URABE, Shyouhei <shyouhei@ruby-lang.org>



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8_7@29863 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 10 insertions, 0 deletions

diff --git a/parse.y b/parse.y
index 9f14466816..df19699c0d 100644
--- a/parse.y
+++ b/parse.y
@@ -6222,6 +6222,16 @@ rb_intern(name)
     }
     if (*m) id = ID_JUNK;
   new_id:
+    if (last_id >= SYM2ID(~(VALUE)0) >> ID_SCOPE_SHIFT) {
+	if (last > 20) {
+	    rb_raise(rb_eRuntimeError, "symbol table overflow (symbol %.20s...)",
+		     name);
+	}
+	else {
+	    rb_raise(rb_eRuntimeError, "symbol table overflow (symbol %.*s)",
+		     last, name);
+	}
+    }
     id |= ++last_id << ID_SCOPE_SHIFT;
   id_regist:
     name = strdup(name);