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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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5
src/ripple/protocol/impl/STAmount.cpp
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@@ -20,6 +20,7 @@
#include <ripple/basics/contract.h>
#include <ripple/basics/Log.h>
#include <ripple/basics/safe_cast.h>
#include <ripple/protocol/JsonFields.h>
#include <ripple/protocol/SystemParameters.h>
#include <ripple/protocol/STAmount.h>
@@ -246,13 +247,13 @@ STAmount::STAmount (Issue const& issue,
STAmount::STAmount (Issue const& issue,
std::uint32_t mantissa, int exponent, bool negative)
: STAmount (issue, static_cast<std::uint64_t>(mantissa), exponent, negative)
: STAmount (issue, safe_cast<std::uint64_t>(mantissa), exponent, negative)
{
}
STAmount::STAmount (Issue const& issue,
int mantissa, int exponent)
: STAmount (issue, static_cast<std::int64_t>(mantissa), exponent)
: STAmount (issue, safe_cast<std::int64_t>(mantissa), exponent)
{
}