98 lines
2.0 KiB
C++
98 lines
2.0 KiB
C++
// This file Copyright © 2013-2023 Mnemosyne LLC.
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// It may be used under GPLv2 (SPDX: GPL-2.0-only), GPLv3 (SPDX: GPL-3.0-only),
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// or any future license endorsed by Mnemosyne LLC.
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// License text can be found in the licenses/ folder.
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#include <algorithm>
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#include <string_view>
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#include <fmt/core.h>
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#include "libtransmission/error.h"
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#include "libtransmission/tr-assert.h"
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#include "libtransmission/utils.h"
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namespace
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{
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[[nodiscard]] char* tr_strvdup(std::string_view in)
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{
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auto const n = std::size(in);
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auto* const ret = new char[n + 1];
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std::copy(std::begin(in), std::end(in), ret);
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ret[n] = '\0';
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return ret;
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}
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} // namespace
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void tr_error_free(tr_error* error)
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{
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if (error == nullptr)
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{
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return;
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}
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delete[] error->message;
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delete error;
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}
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void tr_error_set(tr_error** error, int code, std::string_view message)
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{
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if (error == nullptr)
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{
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return;
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}
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TR_ASSERT(*error == nullptr);
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*error = new tr_error{ code, tr_strvdup(message) };
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}
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void tr_error_set_from_errno(tr_error** error, int errnum)
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{
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tr_error_set(error, errnum, tr_strerror(errnum));
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}
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void tr_error_propagate(tr_error** new_error, tr_error** old_error)
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{
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TR_ASSERT(old_error != nullptr);
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TR_ASSERT(*old_error != nullptr);
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if (new_error != nullptr)
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{
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TR_ASSERT(*new_error == nullptr);
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*new_error = *old_error;
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*old_error = nullptr;
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}
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else
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{
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tr_error_clear(old_error);
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}
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}
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void tr_error_clear(tr_error** error)
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{
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if (error == nullptr)
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{
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return;
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}
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tr_error_free(*error);
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*error = nullptr;
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}
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void tr_error_prefix(tr_error** error, char const* prefix)
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{
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TR_ASSERT(prefix != nullptr);
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if (error == nullptr || *error == nullptr)
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{
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return;
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}
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auto* err = *error;
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auto* const new_message = tr_strvdup(fmt::format(FMT_STRING("{:s}{:s}"), prefix, err->message));
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delete[] err->message;
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err->message = new_message;
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}
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