1/*
2 * Copyright (C) 2010 Igalia, S.L.
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Library General Public License for more details.
13 *
14 * You should have received a copy of the GNU Library General Public License
15 * along with this library; see the file COPYING.LIB. If not, write to
16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
17 * Boston, MA 02110-1301, USA.
18 */
19
20#include "config.h"
21#include <wtf/glib/GLibUtilities.h>
22
23#include <glib.h>
24#include <wtf/glib/GUniquePtr.h>
25
26#if OS(WINDOWS)
27#include <windows.h>
28#include <wtf/text/WTFString.h>
29#else
30#include <limits.h>
31#include <unistd.h>
32#endif
33
34#if OS(LINUX)
35CString getCurrentExecutablePath()
36{
37 static char readLinkBuffer[PATH_MAX];
38 ssize_t result = readlink("/proc/self/exe", readLinkBuffer, PATH_MAX);
39 if (result == -1)
40 return CString();
41 return CString(readLinkBuffer, result);
42}
43#elif OS(HURD)
44CString getCurrentExecutablePath()
45{
46 return CString();
47}
48#elif OS(UNIX)
49CString getCurrentExecutablePath()
50{
51 static char readLinkBuffer[PATH_MAX];
52 ssize_t result = readlink("/proc/curproc/file", readLinkBuffer, PATH_MAX);
53 if (result == -1)
54 return CString();
55 return CString(readLinkBuffer, result);
56}
57#elif OS(WINDOWS)
58CString getCurrentExecutablePath()
59{
60 static WCHAR buffer[MAX_PATH];
61 DWORD length = GetModuleFileNameW(0, buffer, MAX_PATH);
62 if (!length || (length == MAX_PATH && GetLastError() == ERROR_INSUFFICIENT_BUFFER))
63 return CString();
64
65 String path(buffer, length);
66 return path.utf8();
67}
68#endif
69
70CString getCurrentExecutableName()
71{
72 auto executablePath = getCurrentExecutablePath();
73 if (!executablePath.isNull()) {
74 GUniquePtr<char> basename(g_path_get_basename(executablePath.data()));
75 return basename.get();
76 }
77
78 return g_get_prgname();
79}
80