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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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src/ripple/protocol/SField.h
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@@ -20,6 +20,7 @@
#ifndef RIPPLE_PROTOCOL_SFIELD_H_INCLUDED
#define RIPPLE_PROTOCOL_SFIELD_H_INCLUDED
#include <ripple/basics/safe_cast.h>
#include <ripple/json/json_value.h>
#include <cstdint>
#include <utility>
@@ -86,7 +87,7 @@ inline
int
field_code(SerializedTypeID id, int index)
{
return (static_cast<int>(id) << 16) | index;
return (safe_cast<int>(id) << 16) | index;
}
// constexpr