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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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13
src/ripple/protocol/TER.h
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@@ -20,6 +20,7 @@
#ifndef RIPPLE_PROTOCOL_TER_H_INCLUDED
#define RIPPLE_PROTOCOL_TER_H_INCLUDED
#include <ripple/basics/safe_cast.h>
#include <ripple/json/json_value.h>
#include <boost/optional.hpp>
@@ -270,22 +271,22 @@ enum TECcodes : TERUnderlyingType
// For generic purposes, a free function that returns the value of a TE*codes.
constexpr TERUnderlyingType TERtoInt (TELcodes v)
{ return static_cast<TERUnderlyingType>(v); }
{ return safe_cast<TERUnderlyingType>(v); }
constexpr TERUnderlyingType TERtoInt (TEMcodes v)
{ return static_cast<TERUnderlyingType>(v); }
{ return safe_cast<TERUnderlyingType>(v); }
constexpr TERUnderlyingType TERtoInt (TEFcodes v)
{ return static_cast<TERUnderlyingType>(v); }
{ return safe_cast<TERUnderlyingType>(v); }
constexpr TERUnderlyingType TERtoInt (TERcodes v)
{ return static_cast<TERUnderlyingType>(v); }
{ return safe_cast<TERUnderlyingType>(v); }
constexpr TERUnderlyingType TERtoInt (TEScodes v)
{ return static_cast<TERUnderlyingType>(v); }
{ return safe_cast<TERUnderlyingType>(v); }
constexpr TERUnderlyingType TERtoInt (TECcodes v)
{ return static_cast<TERUnderlyingType>(v); }
{ return safe_cast<TERUnderlyingType>(v); }
//------------------------------------------------------------------------------
// Template class that is specific to selected ranges of error codes. The