Subject: [Boost-commit] svn:boost r82218 - trunk/boost/functional/hash/detail
From: thom.heller_at_[hidden]
Date: 2012-12-27 05:49:20
Author: theller
Date: 2012-12-27 05:49:19 EST (Thu, 27 Dec 2012)
New Revision: 82218
URL: http://svn.boost.org/trac/boost/changeset/82218
Log:
Fixing UB by using memcpy instead of old style cast
Text files modified:
trunk/boost/functional/hash/detail/hash_float.hpp | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)
Modified: trunk/boost/functional/hash/detail/hash_float.hpp
==============================================================================
--- trunk/boost/functional/hash/detail/hash_float.hpp (original)
+++ trunk/boost/functional/hash/detail/hash_float.hpp 2012-12-27 05:49:19 EST (Thu, 27 Dec 2012)
@@ -73,7 +73,9 @@
ptr += sizeof(std::size_t);
while(length >= sizeof(std::size_t)) {
- hash_float_combine(seed, *(std::size_t*) ptr);
+ std::size_t buffer = 0;
+ std::memcpy(&buffer, ptr, sizeof(std::size_t));
+ hash_float_combine(seed, buffer);
length -= sizeof(std::size_t);
ptr += sizeof(std::size_t);
}