1 | /**************************************************************************** |
2 | ** |
3 | ** Copyright (C) 2016 The Qt Company Ltd. |
4 | ** Contact: https://www.qt.io/licensing/ |
5 | ** |
6 | ** This file is part of the test suite of the Qt Toolkit. |
7 | ** |
8 | ** $QT_BEGIN_LICENSE:GPL-EXCEPT$ |
9 | ** Commercial License Usage |
10 | ** Licensees holding valid commercial Qt licenses may use this file in |
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15 | ** information use the contact form at https://www.qt.io/contact-us. |
16 | ** |
17 | ** GNU General Public License Usage |
18 | ** Alternatively, this file may be used under the terms of the GNU |
19 | ** General Public License version 3 as published by the Free Software |
20 | ** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT |
21 | ** included in the packaging of this file. Please review the following |
22 | ** information to ensure the GNU General Public License requirements will |
23 | ** be met: https://www.gnu.org/licenses/gpl-3.0.html. |
24 | ** |
25 | ** $QT_END_LICENSE$ |
26 | ** |
27 | ****************************************************************************/ |
28 | #include <QCoreApplication> |
29 | #include <QDebug> |
30 | #include <QStringList> |
31 | #include <QFile> |
32 | #include <QDir> |
33 | |
34 | #include <stdio.h> |
35 | |
36 | #if defined(Q_OS_UNIX) |
37 | #include <sys/types.h> |
38 | #include <unistd.h> |
39 | #elif defined(Q_OS_WIN) |
40 | #include <windows.h> |
41 | #endif |
42 | |
43 | static void writeStuff(QFile &f) |
44 | { |
45 | f.write(data: QDir::currentPath().toUtf8()); |
46 | f.putChar(c: '\n'); |
47 | #if defined(Q_OS_UNIX) |
48 | f.write(data: QByteArray::number(quint64(getpid()))); |
49 | #elif defined(Q_OS_WIN) |
50 | f.write(QByteArray::number(quint64(GetCurrentProcessId()))); |
51 | #endif |
52 | f.putChar(c: '\n'); |
53 | f.write(data: qgetenv(varName: "tst_QProcess" )); |
54 | f.putChar(c: '\n'); |
55 | } |
56 | |
57 | struct Args |
58 | { |
59 | int exitCode = 0; |
60 | QByteArray errorMessage; |
61 | QString fileName; |
62 | FILE *channel = nullptr; |
63 | QByteArray channelName; |
64 | }; |
65 | |
66 | static Args parseArguments(const QStringList &args) |
67 | { |
68 | Args result; |
69 | if (args.count() < 2) { |
70 | result.exitCode = 128; |
71 | result.errorMessage = "Usage: testDetached [--out-channel={stdout|stderr}] filename.txt\n" ; |
72 | return result; |
73 | } |
74 | for (const QString &arg : args) { |
75 | if (arg.startsWith(s: "--" )) { |
76 | if (!arg.startsWith(s: "--out-channel=" )) { |
77 | result.exitCode = 2; |
78 | result.errorMessage = "Unknown argument " + arg.toLocal8Bit(); |
79 | return result; |
80 | } |
81 | result.channelName = arg.mid(position: 14).toLocal8Bit(); |
82 | if (result.channelName == "stdout" ) { |
83 | result.channel = stdout; |
84 | } else if (result.channelName == "stderr" ) { |
85 | result.channel = stderr; |
86 | } else { |
87 | result.exitCode = 3; |
88 | result.errorMessage = "Unknown channel " + result.channelName; |
89 | return result; |
90 | } |
91 | } else { |
92 | result.fileName = arg; |
93 | } |
94 | } |
95 | return result; |
96 | } |
97 | |
98 | int main(int argc, char **argv) |
99 | { |
100 | QCoreApplication app(argc, argv); |
101 | |
102 | const Args args = parseArguments(args: app.arguments()); |
103 | if (args.exitCode) { |
104 | fprintf(stderr, format: "testDetached: %s\n" , args.errorMessage.constData()); |
105 | return args.exitCode; |
106 | } |
107 | |
108 | if (args.channel) { |
109 | QFile channel; |
110 | if (!channel.open(f: args.channel, ioFlags: QIODevice::WriteOnly | QIODevice::Text)) { |
111 | fprintf(stderr, format: "Cannot open channel %s for writing: %s\n" , |
112 | qPrintable(args.channelName), qPrintable(channel.errorString())); |
113 | return 4; |
114 | } |
115 | writeStuff(f&: channel); |
116 | } |
117 | |
118 | QFile f(args.fileName); |
119 | if (!f.open(flags: QIODevice::WriteOnly | QIODevice::Truncate | QIODevice::Text)) { |
120 | fprintf(stderr, format: "Cannot open %s for writing: %s\n" , |
121 | qPrintable(f.fileName()), qPrintable(f.errorString())); |
122 | return 1; |
123 | } |
124 | |
125 | writeStuff(f); |
126 | f.close(); |
127 | |
128 | return 0; |
129 | } |
130 | |