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/*
* Copyright (C) 2014-2017 Max Kellermann <max.kellermann@gmail.com>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef CONCAT_STRING_HXX
#define CONCAT_STRING_HXX
#include <algorithm>
#include <string.h>
template<typename... Args>
size_t
FillLengths(size_t *lengths, const char *a, Args&&... args)
{
return FillLengths(lengths, a) + FillLengths(lengths + 1, args...);
}
template<>
size_t
FillLengths(size_t *lengths, const char *a)
{
return *lengths = strlen(a);
}
template<typename... Args>
char *
StringCat(char *p, const size_t *lengths, const char *a, Args&&... args)
{
return StringCat(StringCat(p, lengths, a),
lengths + 1, args...);
}
template<>
char *
StringCat(char *p, const size_t *lengths, const char *a)
{
return std::copy_n(a, *lengths, p);
}
#endif
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