Added thirdparty: boost library

thirdparty/include/boost/stacktrace/detail/to_hex_array.hpp

@@ -0,0 +1,52 @@
+// Copyright Antony Polukhin, 2016-2023.
+//
+// Distributed under the Boost Software License, Version 1.0. (See
+// accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+#ifndef BOOST_STACKTRACE_DETAIL_TO_HEX_ARRAY_HPP
+#define BOOST_STACKTRACE_DETAIL_TO_HEX_ARRAY_HPP
+
+#include <boost/config.hpp>
+#ifdef BOOST_HAS_PRAGMA_ONCE
+#   pragma once
+#endif
+
+#include <array>
+#include <type_traits>
+
+namespace boost { namespace stacktrace { namespace detail {
+
+BOOST_STATIC_CONSTEXPR char to_hex_array_bytes[] = "0123456789ABCDEF";
+
+template <class T>
+inline std::array<char, 2 + sizeof(void*) * 2 + 1> to_hex_array(T addr) noexcept {
+    std::array<char, 2 + sizeof(void*) * 2 + 1> ret = {"0x"};
+    ret.back() = '\0';
+    static_assert(!std::is_pointer<T>::value, "");
+
+    const std::size_t s = sizeof(T);
+
+    char* out = ret.data() + s * 2 + 1;
+
+    for (std::size_t i = 0; i < s; ++i) {
+        const unsigned char tmp_addr = (addr & 0xFFu);
+        *out = to_hex_array_bytes[tmp_addr & 0xF];
+        -- out;
+        *out = to_hex_array_bytes[tmp_addr >> 4];
+        -- out;
+        addr >>= 8;
+    }
+
+    return ret;
+}
+
+inline std::array<char, 2 + sizeof(void*) * 2 + 1> to_hex_array(const void* addr) noexcept {
+    return to_hex_array(
+        reinterpret_cast< std::make_unsigned<std::ptrdiff_t>::type >(addr)
+    );
+}
+
+}}} // namespace boost::stacktrace::detail
+
+#endif // BOOST_STACKTRACE_DETAIL_TO_HEX_ARRAY_HPP