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Code Issues Releases Wiki Activity

Don't convert IPv6Address to string when hashing

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This commit is contained in:
Matias Fontanini
2017-10-01 20:33:06 -07:00
parent a6817528bc
commit db0fb7f20d
2 changed files with 24 additions and 5 deletions
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13
include/tins/ipv6_address.h
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@@ -32,10 +32,10 @@
#include <string>
#include <iosfwd>
#include <functional>
#include <stdint.h>
#include <tins/cxxstd.h>
#include <tins/macros.h>
#include <functional>
namespace Tins {
@@ -224,9 +224,14 @@ namespace std {
template<>
struct hash<Tins::IPv6Address> {
size_t operator()(const Tins::IPv6Address& addr) const
{
return std::hash<string>()(addr.to_string());
// Implementation taken from boost.functional
size_t operator()(const Tins::IPv6Address& addr) const {
std::size_t output = Tins::IPv6Address::address_size;
Tins::IPv6Address::const_iterator iter = addr.begin();
for (; iter != addr.end(); ++iter) {
output ^= *iter + 0x9e3779b9 + (output << 6) + (output >> 2);
}
return output;
}
};