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Add safe_cast (RIPD-1702):

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This change ensures that no overflow can occur when casting
between enums and integral types.
This commit is contained in:
Howard Hinnant
2018-12-21 17:13:58 -05:00
committed by Nik Bougalis
parent 494724578a
commit 148bbf4e8f
35 changed files with 213 additions and 86 deletions
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7
src/ripple/protocol/Serializer.h
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@@ -20,12 +20,13 @@
#ifndef RIPPLE_PROTOCOL_SERIALIZER_H_INCLUDED
#define RIPPLE_PROTOCOL_SERIALIZER_H_INCLUDED
#include <ripple/protocol/SField.h>
#include <ripple/basics/base_uint.h>
#include <ripple/basics/contract.h>
#include <ripple/basics/Buffer.h>
#include <ripple/basics/safe_cast.h>
#include <ripple/basics/Slice.h>
#include <ripple/beast/crypto/secure_erase.h>
#include <ripple/protocol/SField.h>
#include <cassert>
#include <cstdint>
#include <iomanip>
@@ -158,7 +159,7 @@ public:
int addFieldID (int type, int name);
int addFieldID (SerializedTypeID type, int name)
{
return addFieldID (static_cast<int> (type), name);
return addFieldID (safe_cast<int> (type), name);
}
// DEPRECATED
@@ -266,7 +267,7 @@ public:
std::setw (2) <<
std::hex <<
std::setfill ('0') <<
static_cast<unsigned int>(element);
safe_cast<unsigned int>(element);
}
return h.str ();
}