/* Minetest-c55 Copyright (C) 2010 celeron55, Perttu Ahola <celeron55@gmail.com> This program is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This program 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 Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ /* Random portability stuff See comments in porting.h */ #include "porting.h" #include "config.h" #include "debug.h" #include "filesys.h" #include "log.h" #include "util/string.h" #include <list> #ifdef __APPLE__ #include "CoreFoundation/CoreFoundation.h" #endif namespace porting { /* Signal handler (grabs Ctrl-C on POSIX systems) */ bool g_killed = false; bool * signal_handler_killstatus(void) { return &g_killed; } #if !defined(_WIN32) // POSIX #include <signal.h> void sigint_handler(int sig) { if(g_killed == false) { dstream<<DTIME<<"INFO: sigint_handler(): " <<"Ctrl-C pressed, shutting down."<<std::endl; // Comment out for less clutter when testing scripts /*dstream<<DTIME<<"INFO: sigint_handler(): " <<"Printing debug stacks"<<std::endl; debug_stacks_print();*/ g_killed = true; } else { (void)signal(SIGINT, SIG_DFL); } } void signal_handler_init(void) { (void)signal(SIGINT, sigint_handler); } #else // _WIN32 #include <signal.h> #include <windows.h> BOOL WINAPI event_handler(DWORD sig) { switch(sig) { case CTRL_C_EVENT: case CTRL_CLOSE_EVENT: case CTRL_LOGOFF_EVENT: case CTRL_SHUTDOWN_EVENT: if(g_killed == false) { dstream<<DTIME<<"INFO: event_handler(): " <<"Ctrl+C, Close Event, Logoff Event or Shutdown Event, shutting down."<<std::endl; // Comment out for less clutter when testing scripts /*dstream<<DTIME<<"INFO: event_handler(): " <<"Printing debug stacks"<<std::endl; debug_stacks_print();*/ g_killed = true; } else { (void)signal(SIGINT, SIG_DFL); } break; case CTRL_BREAK_EVENT: break; } return TRUE; } void signal_handler_init(void) { SetConsoleCtrlHandler( (PHANDLER_ROUTINE)event_handler,TRUE); } #endif /* Path mangler */ // Default to RUN_IN_PLACE style relative paths std::string path_share = ".."; std::string path_user = ".."; std::string getDataPath(const char *subpath) { return path_share + DIR_DELIM + subpath; } void pathRemoveFile(char *path, char delim) { // Remove filename and path delimiter int i; for(i = strlen(path)-1; i>=0; i--) { if(path[i] == delim) break; } path[i] = 0; } bool detectMSVCBuildDir(char *c_path) { std::string path(c_path); const char *ends[] = {"bin\\Release", "bin\\Build", NULL}; return (removeStringEnd(path, ends) != ""); } void initializePaths() { #if RUN_IN_PLACE /* Use relative paths if RUN_IN_PLACE */ infostream<<"Using relative paths (RUN_IN_PLACE)"<<std::endl; /* Windows */ #if defined(_WIN32) #include <windows.h> const DWORD buflen = 1000; char buf[buflen]; DWORD len; // Find path of executable and set path_share relative to it len = GetModuleFileName(GetModuleHandle(NULL), buf, buflen); assert(len < buflen); pathRemoveFile(buf, '\\'); if(detectMSVCBuildDir(buf)){ infostream<<"MSVC build directory detected"<<std::endl; path_share = std::string(buf) + "\\..\\.."; path_user = std::string(buf) + "\\..\\.."; } else{ path_share = std::string(buf) + "\\.."; path_user = std::string(buf) + "\\.."; } /* Linux */ #elif defined(linux) #include <unistd.h> char buf[BUFSIZ]; memset(buf, 0, BUFSIZ); // Get path to executable assert(readlink("/proc/self/exe", buf, BUFSIZ-1) != -1); pathRemoveFile(buf, '/'); path_share = std::string(buf) + "/.."; path_user = std::string(buf) + "/.."; /* OS X */ #elif defined(__APPLE__) || defined(__FreeBSD__) //TODO: Get path of executable. This assumes working directory is bin/ dstream<<"WARNING: Relative path not properly supported on OS X and FreeBSD" <<std::endl; path_share = std::string(".."); path_user = std::string(".."); #endif #else // RUN_IN_PLACE /* Use platform-specific paths otherwise */ infostream<<"Using system-wide paths (NOT RUN_IN_PLACE)"<<std::endl; /* Windows */ #if defined(_WIN32) #include <windows.h> const DWORD buflen = 1000; char buf[buflen]; DWORD len; // Find path of executable and set path_share relative to it len = GetModuleFileName(GetModuleHandle(NULL), buf, buflen); assert(len < buflen); pathRemoveFile(buf, '\\'); // Use ".\bin\.." path_share = std::string(buf) + "\\.."; // Use "C:\Documents and Settings\user\Application Data\<PROJECT_NAME>" len = GetEnvironmentVariable("APPDATA", buf, buflen); assert(len < buflen); path_user = std::string(buf) + DIR_DELIM + PROJECT_NAME; /* Linux */ #elif defined(linux) #include <unistd.h> // Get path to executable std::string bindir = ""; { char buf[BUFSIZ]; memset(buf, 0, BUFSIZ); assert(readlink("/proc/self/exe", buf, BUFSIZ-1) != -1); pathRemoveFile(buf, '/'); bindir = buf; } // Find share directory from these. // It is identified by containing the subdirectory "builtin". std::list<std::string> trylist; std::string static_sharedir = STATIC_SHAREDIR; if(static_sharedir != "" && static_sharedir != ".") trylist.push_back(static_sharedir); trylist.push_back(bindir + "/../share/" + PROJECT_NAME); trylist.push_back(bindir + "/.."); for(std::list<std::string>::const_iterator i = trylist.begin(); i != trylist.end(); i++) { const std::string &trypath = *i; if(!fs::PathExists(trypath) || !fs::PathExists(trypath + "/builtin")){ dstream<<"WARNING: system-wide share not found at \"" <<trypath<<"\""<<std::endl; continue; } // Warn if was not the first alternative if(i != trylist.begin()){ dstream<<"WARNING: system-wide share found at \"" <<trypath<<"\""<<std::endl; } path_share = trypath; break; } path_user = std::string(getenv("HOME")) + "/." + PROJECT_NAME; /* OS X */ #elif defined(__APPLE__) #include <unistd.h> // Code based on // http://stackoverflow.com/questions/516200/relative-paths-not-working-in-xcode-c CFBundleRef main_bundle = CFBundleGetMainBundle(); CFURLRef resources_url = CFBundleCopyResourcesDirectoryURL(main_bundle); char path[PATH_MAX]; if(CFURLGetFileSystemRepresentation(resources_url, TRUE, (UInt8 *)path, PATH_MAX)) { dstream<<"Bundle resource path: "<<path<<std::endl; //chdir(path); path_share = std::string(path) + "/share"; } else { // error! dstream<<"WARNING: Could not determine bundle resource path"<<std::endl; } CFRelease(resources_url); path_user = std::string(getenv("HOME")) + "/Library/Application Support/" + PROJECT_NAME; #elif defined(__FreeBSD__) path_share = STATIC_SHAREDIR; path_user = std::string(getenv("HOME")) + "/." + PROJECT_NAME; #endif #endif // RUN_IN_PLACE } } //namespace porting