From 05eb181be2235d3db4dcb45a93ed94d2ef28c400 Mon Sep 17 00:00:00 2001
From: kaldoran <kaldoran@live.fr>
Date: Mon, 27 Jun 2016 17:35:56 -0400
Subject: [PATCH] Pht : Fix out of range in isActiveBit function
---
include/opendht/indexation/pht.h | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/include/opendht/indexation/pht.h b/include/opendht/indexation/pht.h
index a5ab9b1a..caaa7e5b 100644
--- a/include/opendht/indexation/pht.h
+++ b/include/opendht/indexation/pht.h
@@ -52,8 +52,12 @@ struct Prefix {
* @param pos : Pos of the needed bit
* @return : true if the bit is at 1
* false otherwise
+ * @throw out_of_range Throw out of range if the bit at 'pos' does not exist
*/
bool isActiveBit(size_t pos) const {
+ if ( pos >= size_ )
+ throw std::out_of_range("Can't detect active bit at pos, pos larger than prefix size or empty prefix");
+
return ((this->content_[pos / 8] >> (7 - (pos % 8)) ) & 1) == 1;
}
--
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