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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/SField.cpp
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@@ -17,6 +17,7 @@
*/
//==============================================================================
#include <ripple/basics/safe_cast.h>
#include <ripple/protocol/SField.h>
#include <cassert>
#include <map>
@@ -358,7 +359,7 @@ SField::getField (int code)
if (it != unknownCodeToField.end ())
return * (it->second);
return *(unknownCodeToField[code] = std::unique_ptr<SField const>(
new SField(static_cast<SerializedTypeID>(type), field)));
new SField(safe_cast<SerializedTypeID>(type), field)));
}
}
@@ -385,7 +386,7 @@ std::string SField::getName () const
if (fieldValue == 0)
return "";
return std::to_string(static_cast<int> (fieldType)) + "/" +
return std::to_string(safe_cast<int> (fieldType)) + "/" +
std::to_string(fieldValue);
}