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Remove is_pod trait, and replace with is_standard_layout requirement

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This commit is contained in:
Lee Clagett 2017-12-19 20:30:02 -05:00
parent 35d5aa36c9
commit 951716146f
3 changed files with 15 additions and 12 deletions
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16
contrib/epee/include/memwipe.h
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@ -67,18 +67,14 @@ namespace tools {
}
};
template<typename T>
T& unwrap(scrubbed<T>& src) { return src; }
template<typename T>
const T& unwrap(scrubbed<T> const& src) { return src; }
template <class T, size_t N>
using scrubbed_arr = scrubbed<std::array<T, N>>;
} // namespace tools
// Partial specialization for std::is_pod<tools::scrubbed<T>> so that it can
// pretend to be the containted type in those contexts.
namespace std
{
template<class t_scrubbee>
struct is_pod<tools::scrubbed<t_scrubbee>> {
static const bool value = is_pod<t_scrubbee>::value;
};
}
#endif // __cplusplus

2
contrib/epee/include/span.h
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@ -108,7 +108,7 @@ namespace epee
template<typename T>
constexpr bool has_padding() noexcept
{
return !std::is_pod<T>::value || alignof(T) != 1;
return !std::is_standard_layout<T>() || alignof(T) != 1;
}
//! \return Cast data from `src` as `span<const std::uint8_t>`.

9
contrib/epee/include/string_tools.h
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@ -45,6 +45,7 @@
#include <boost/lexical_cast.hpp>
#include <boost/algorithm/string/predicate.hpp>
#include "hex.h"
#include "memwipe.h"
#include "span.h"
#include "warnings.h"
@ -330,7 +331,7 @@ POP_WARNINGS
template<class t_pod_type>
std::string pod_to_hex(const t_pod_type& s)
{
static_assert(std::is_pod<t_pod_type>::value, "expected pod type");
static_assert(std::is_standard_layout<t_pod_type>(), "expected standard layout type");
return to_hex::string(as_byte_span(s));
}
//----------------------------------------------------------------------------
@ -351,6 +352,12 @@ POP_WARNINGS
return true;
}
//----------------------------------------------------------------------------
template<class t_pod_type>
bool hex_to_pod(const std::string& hex_str, tools::scrubbed<t_pod_type>& s)
{
return hex_to_pod(hex_str, unwrap(s));
}
//----------------------------------------------------------------------------
bool validate_hex(uint64_t length, const std::string& str);
//----------------------------------------------------------------------------
inline std::string get_extension(const std::string& str)