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/*
* Copyright 2008-2018 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 CURL_SLIST_HXX
#define CURL_SLIST_HXX
#include <curl/curl.h>
#include <algorithm>
#include <stdexcept>
/**
* OO wrapper for "struct curl_slist *".
*/
class CurlSlist {
struct curl_slist *head = nullptr;
public:
CurlSlist() = default;
CurlSlist(CurlSlist &&src) noexcept
:head(std::exchange(src.head, nullptr)) {}
~CurlSlist() noexcept {
if (head != nullptr)
curl_slist_free_all(head);
}
CurlSlist &operator=(CurlSlist &&src) noexcept {
std::swap(head, src.head);
return *this;
}
struct curl_slist *Get() noexcept {
return head;
}
void Clear() noexcept {
curl_slist_free_all(head);
head = nullptr;
}
void Append(const char *value) {
auto *new_head = curl_slist_append(head, value);
if (new_head == nullptr)
throw std::runtime_error("curl_slist_append() failed");
head = new_head;
}
};
#endif
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