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construct/include/ircd/util/what.h

37 lines
874 B
C++

// Matrix Construct
//
// Copyright (C) Matrix Construct Developers, Authors & Contributors
// Copyright (C) 2016-2018 Jason Volk <jason@zemos.net>
//
// Permission to use, copy, modify, and/or distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice is present in all copies. The
// full license for this software is available in the LICENSE file.
#pragma once
#define HAVE_IRCD_UTIL_WHAT_H
namespace ircd::util
{
string_view what(const std::exception_ptr eptr = std::current_exception()) noexcept;
}
/// Get what() from exception_ptr
///
inline ircd::string_view
ircd::util::what(const std::exception_ptr eptr)
noexcept try
{
if(likely(eptr))
std::rethrow_exception(eptr);
return {};
}
catch(const std::exception &e)
{
return e.what();
}
catch(...)
{
return {};
}