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. */
formatError(DWORD error)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
mktmp()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