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 "GlibUtilities.h" 22 23#if OS(WINDOWS) 24#include <windows.h> 25#include <wtf/text/WTFString.h> 26#else 27#include <limits.h> 28#include <unistd.h> 29#endif 30 31#if OS(LINUX) 32CString getCurrentExecutablePath() 33{ 34 static char readLinkBuffer[PATH_MAX]; 35 ssize_t result = readlink("/proc/self/exe", readLinkBuffer, PATH_MAX); 36 if (result == -1) 37 return CString(); 38 return CString(readLinkBuffer, result); 39} 40#elif OS(HURD) 41CString getCurrentExecutablePath() 42{ 43 return CString(); 44} 45#elif OS(UNIX) 46CString getCurrentExecutablePath() 47{ 48 static char readLinkBuffer[PATH_MAX]; 49 ssize_t result = readlink("/proc/curproc/file", readLinkBuffer, PATH_MAX); 50 if (result == -1) 51 return CString(); 52 return CString(readLinkBuffer, result); 53} 54#elif OS(WINDOWS) 55CString getCurrentExecutablePath() 56{ 57 static WCHAR buffer[MAX_PATH]; 58 DWORD length = GetModuleFileNameW(0, buffer, MAX_PATH); 59 if (!length || (length == MAX_PATH && GetLastError() == ERROR_INSUFFICIENT_BUFFER)) 60 return CString(); 61 62 String path(buffer, length); 63 return path.utf8(); 64} 65#endif 66