1 /* 2 * Copyright (c) 2015, Intel Corporation 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without modification, 6 * are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, this 9 * list of conditions and the following disclaimer. 10 * 11 * 2. Redistributions in binary form must reproduce the above copyright notice, 12 * this list of conditions and the following disclaimer in the documentation and/or 13 * other materials provided with the distribution. 14 * 15 * 3. Neither the name of the copyright holder nor the names of its contributors 16 * may be used to endorse or promote products derived from this software without 17 * specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 21 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 22 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR 23 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 24 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 25 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 26 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 28 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #include "TmpFile.hpp" 32 33 #include <memory> 34 35 #include <Windows.h> 36 37 using std::to_string; 38 39 namespace parameterFramework 40 { 41 namespace utility 42 { 43 44 /** Format an error code returned by GetLastError to a human readable string. */ 45 static std::string formatError(DWORD error) 46 { 47 LPTSTR formatedError = nullptr; // Pointer to the output buffer 48 49 FormatMessage( 50 FORMAT_MESSAGE_FROM_SYSTEM | // use system message tables to retrieve error text 51 FORMAT_MESSAGE_ALLOCATE_BUFFER | // allocate buffer on local heap for error text 52 FORMAT_MESSAGE_IGNORE_INSERTS, // no insertion parameters 53 NULL, // unused with FORMAT_MESSAGE_FROM_SYSTEM 54 error, // the error to format 55 MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // Use default language 56 (LPTSTR)&formatedError, // output a pointer to the formated string 57 0, // minimum size for output buffer 58 NULL); // No arguments 59 60 // Release memory allocated by FormatMessage() on exit 61 // Ignore LocalFree failure 62 auto localFree = [](char *ptr) { LocalFree(ptr); }; 63 std::unique_ptr<char, decltype(localFree)> guard{formatedError, localFree}; 64 65 if (formatedError == nullptr) { 66 return "Could not format error " + to_string(error) + ": " + to_string(::GetLastError()); 67 } 68 return formatedError; 69 } 70 71 std::string TmpFile::mktmp() 72 { 73 char directory[] = "."; 74 char prefix[] = "pfw"; // GetTempFileName uses up to the first three characters 75 char path[MAX_PATH + 1]; 76 if (::GetTempFileName(directory, prefix, 0, path) == 0) { 77 auto error = ::GetLastError(); 78 79 auto message = std::string() + "Could not create a tmp file in \"" + directory + 80 "\", with prefix \"" + prefix + "\": (" + to_string(error) + ") " + 81 formatError(error); 82 throw std::runtime_error(message); 83 } 84 85 return path; 86 } 87 88 } // utility 89 } // parameterFramework 90
