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/*
* Copyright (C) 2010 Igalia, S.L.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "config.h"
#include "GlibUtilities.h"
#if OS(WINDOWS)
#include <windows.h>
#include <wtf/text/WTFString.h>
#else
#include <limits.h>
#include <unistd.h>
#endif
#if OS(LINUX)
CString getCurrentExecutablePath()
{
static char readLinkBuffer[PATH_MAX];
ssize_t result = readlink("/proc/self/exe", readLinkBuffer, PATH_MAX);
if (result == -1)
return CString();
return CString(readLinkBuffer, result);
}
#elif OS(HURD)
CString getCurrentExecutablePath()
{
return CString();
}
#elif OS(UNIX)
CString getCurrentExecutablePath()
{
static char readLinkBuffer[PATH_MAX];
ssize_t result = readlink("/proc/curproc/file", readLinkBuffer, PATH_MAX);
if (result == -1)
return CString();
return CString(readLinkBuffer, result);
}
#elif OS(WINDOWS)
CString getCurrentExecutablePath()
{
static WCHAR buffer[MAX_PATH];
DWORD length = GetModuleFileNameW(0, buffer, MAX_PATH);
if (!length || (length == MAX_PATH && GetLastError() == ERROR_INSUFFICIENT_BUFFER))
return CString();
String path(buffer, length);
return path.utf8();
}
#endif
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