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90 lines
3.6 KiB
90 lines
3.6 KiB
/*
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* Copyright (c) 2015, Intel Corporation
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation and/or
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* other materials provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its contributors
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* may be used to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "TmpFile.hpp"
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#include <memory>
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#include <Windows.h>
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using std::to_string;
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namespace parameterFramework
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{
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namespace utility
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{
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/** Format an error code returned by GetLastError to a human readable string. */
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static std::string formatError(DWORD error)
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{
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LPTSTR formatedError = nullptr; // Pointer to the output buffer
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FormatMessage(
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FORMAT_MESSAGE_FROM_SYSTEM | // use system message tables to retrieve error text
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FORMAT_MESSAGE_ALLOCATE_BUFFER | // allocate buffer on local heap for error text
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FORMAT_MESSAGE_IGNORE_INSERTS, // no insertion parameters
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NULL, // unused with FORMAT_MESSAGE_FROM_SYSTEM
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error, // the error to format
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MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // Use default language
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(LPTSTR)&formatedError, // output a pointer to the formated string
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0, // minimum size for output buffer
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NULL); // No arguments
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// Release memory allocated by FormatMessage() on exit
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// Ignore LocalFree failure
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auto localFree = [](char *ptr) { LocalFree(ptr); };
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std::unique_ptr<char, decltype(localFree)> guard{formatedError, localFree};
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if (formatedError == nullptr) {
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return "Could not format error " + to_string(error) + ": " + to_string(::GetLastError());
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}
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return formatedError;
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}
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std::string TmpFile::mktmp()
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{
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char directory[] = ".";
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char prefix[] = "pfw"; // GetTempFileName uses up to the first three characters
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char path[MAX_PATH + 1];
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if (::GetTempFileName(directory, prefix, 0, path) == 0) {
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auto error = ::GetLastError();
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auto message = std::string() + "Could not create a tmp file in \"" + directory +
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"\", with prefix \"" + prefix + "\": (" + to_string(error) + ") " +
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formatError(error);
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throw std::runtime_error(message);
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}
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return path;
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}
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} // utility
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} // parameterFramework
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