/usr/include/uhd/utils/cast.hpp is in libuhd-dev 3.9.2-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// Copyright 2014 Ettus Research LLC
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
//
#ifndef INCLUDED_UHD_UTILS_CAST_HPP
#define INCLUDED_UHD_UTILS_CAST_HPP
#include <uhd/config.hpp>
#include <string>
#include <sstream>
namespace uhd{ namespace cast{
//! Convert a hexadecimal string into a value.
//
// Example:
// boost::uint16_t x = hexstr_cast<boost::uint16_t>("0xDEADBEEF");
// Uses stringstream.
template<typename T> inline T hexstr_cast(const std::string &in)
{
T x;
std::stringstream ss;
ss << std::hex << in;
ss >> x;
return x;
}
}} //namespace uhd::cast
#endif /* INCLUDED_UHD_UTILS_CAST_HPP */
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