Added thirdparty: boost library

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

@@ -0,0 +1,47 @@
+// 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_DEC_ARRAY_HPP
+#define BOOST_STACKTRACE_DETAIL_TO_DEC_ARRAY_HPP
+
+#include <boost/config.hpp>
+#ifdef BOOST_HAS_PRAGMA_ONCE
+#   pragma once
+#endif
+
+#include <array>
+#include <cstddef>  // std::size_t
+
+namespace boost { namespace stacktrace { namespace detail {
+
+// We do not use boost::lexical_cast in this function to reduce module dependencies
+inline std::array<char, 40> to_dec_array(std::size_t value) noexcept {
+    std::array<char, 40> ret;
+    if (!value) {
+        ret[0] = '0';
+        ret[1] = '\0';
+        return ret;
+    }
+
+    std::size_t digits = 0;
+    for (std::size_t value_copy = value; value_copy; value_copy /= 10) {
+        ++ digits;
+    }
+
+    for (std::size_t i = 1; i <= digits; ++i) {
+        ret[digits - i] = static_cast<char>('0' + (value % 10));
+        value /= 10;
+    }
+
+    ret[digits] = '\0';
+
+    return ret;
+}
+
+
+}}} // namespace boost::stacktrace::detail
+
+#endif // BOOST_STACKTRACE_DETAIL_TO_DEC_ARRAY_HPP