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/*
util.cpp - some internal helpers
Copyright (c) 2022 g10 Code GmbH
Software engineering by Ingo Klöcker <[email protected]>
This file is part of GPGME++.
GPGME++ is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
GPGME++ 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 Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with GPGME++; see the file COPYING.LIB. If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "util.h"
#include <functional>
StringsToCStrings::StringsToCStrings(const std::vector<std::string>& v)
: m_strings{v}
{
}
const char **StringsToCStrings::c_strs() const
{
if (m_cstrings.empty()) {
m_cstrings.reserve(m_strings.size() + 1);
std::transform(std::begin(m_strings), std::end(m_strings),
std::back_inserter(m_cstrings),
std::mem_fn(&std::string::c_str));
m_cstrings.push_back(nullptr);
}
return m_cstrings.data();
}
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