mirror of
https://github.com/moparisthebest/minetest
synced 2024-11-15 22:05:07 -05:00
305 lines
6.6 KiB
C++
305 lines
6.6 KiB
C++
/*
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Minetest-c55
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Copyright (C) 2010 celeron55, Perttu Ahola <celeron55@gmail.com>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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/*
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Random portability stuff
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See comments in porting.h
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*/
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#include "porting.h"
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#include "config.h"
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#include "debug.h"
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#include "filesys.h"
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#ifdef __APPLE__
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#include "CoreFoundation/CoreFoundation.h"
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#endif
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namespace porting
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{
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/*
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Signal handler (grabs Ctrl-C on POSIX systems)
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*/
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bool g_killed = false;
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bool * signal_handler_killstatus(void)
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{
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return &g_killed;
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}
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#if !defined(_WIN32) // POSIX
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#include <signal.h>
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void sigint_handler(int sig)
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{
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if(g_killed == false)
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{
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dstream<<DTIME<<"INFO: sigint_handler(): "
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<<"Ctrl-C pressed, shutting down."<<std::endl;
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// Comment out for less clutter when testing scripts
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/*dstream<<DTIME<<"INFO: sigint_handler(): "
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<<"Printing debug stacks"<<std::endl;
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debug_stacks_print();*/
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g_killed = true;
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}
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else
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{
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(void)signal(SIGINT, SIG_DFL);
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}
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}
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void signal_handler_init(void)
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{
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dstream<<"signal_handler_init()"<<std::endl;
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(void)signal(SIGINT, sigint_handler);
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}
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#else // _WIN32
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#include <signal.h>
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#include <windows.h>
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BOOL WINAPI event_handler(DWORD sig)
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{
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switch(sig)
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{
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case CTRL_C_EVENT:
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case CTRL_CLOSE_EVENT:
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case CTRL_LOGOFF_EVENT:
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case CTRL_SHUTDOWN_EVENT:
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if(g_killed == false)
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{
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dstream<<DTIME<<"INFO: event_handler(): "
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<<"Ctrl+C, Close Event, Logoff Event or Shutdown Event, shutting down."<<std::endl;
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// Comment out for less clutter when testing scripts
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/*dstream<<DTIME<<"INFO: event_handler(): "
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<<"Printing debug stacks"<<std::endl;
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debug_stacks_print();*/
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g_killed = true;
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}
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else
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{
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(void)signal(SIGINT, SIG_DFL);
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}
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break;
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case CTRL_BREAK_EVENT:
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break;
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}
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return TRUE;
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}
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void signal_handler_init(void)
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{
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dstream<<"signal_handler_init()"<<std::endl;
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SetConsoleCtrlHandler( (PHANDLER_ROUTINE)event_handler,TRUE);
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}
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#endif
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/*
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Path mangler
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*/
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std::string path_data = ".." DIR_DELIM "data";
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std::string path_userdata = "..";
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std::string getDataPath(const char *subpath)
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{
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return path_data + DIR_DELIM + subpath;
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}
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void pathRemoveFile(char *path, char delim)
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{
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// Remove filename and path delimiter
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int i;
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for(i = strlen(path)-1; i>=0; i--)
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{
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if(path[i] == delim)
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break;
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}
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path[i] = 0;
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}
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void initializePaths()
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{
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#ifdef RUN_IN_PLACE
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/*
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Use relative paths if RUN_IN_PLACE
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*/
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dstream<<"Using relative paths (RUN_IN_PLACE)"<<std::endl;
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/*
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Windows
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*/
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#if defined(_WIN32)
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#include <windows.h>
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const DWORD buflen = 1000;
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char buf[buflen];
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DWORD len;
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// Find path of executable and set path_data relative to it
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len = GetModuleFileName(GetModuleHandle(NULL), buf, buflen);
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assert(len < buflen);
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pathRemoveFile(buf, '\\');
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// Use "./bin/../data"
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path_data = std::string(buf) + DIR_DELIM ".." DIR_DELIM "data";
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// Use "./bin/.."
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path_userdata = std::string(buf) + DIR_DELIM "..";
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/*
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Linux
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*/
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#elif defined(linux)
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#include <unistd.h>
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char buf[BUFSIZ];
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memset(buf, 0, BUFSIZ);
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// Get path to executable
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assert(readlink("/proc/self/exe", buf, BUFSIZ-1) != -1);
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pathRemoveFile(buf, '/');
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// Use "./bin/../data"
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path_data = std::string(buf) + "/../data";
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// Use "./bin/../"
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path_userdata = std::string(buf) + "/..";
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/*
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OS X
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*/
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#elif defined(__APPLE__) || defined(__FreeBSD__)
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//TODO: Get path of executable. This assumes working directory is bin/
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dstream<<"WARNING: Relative path not properly supported on OS X and FreeBSD"
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<<std::endl;
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path_data = std::string("../data");
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path_userdata = std::string("..");
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#endif
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#else // RUN_IN_PLACE
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/*
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Use platform-specific paths otherwise
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*/
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dstream<<"Using system-wide paths (NOT RUN_IN_PLACE)"<<std::endl;
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/*
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Windows
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*/
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#if defined(_WIN32)
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#include <windows.h>
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const DWORD buflen = 1000;
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char buf[buflen];
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DWORD len;
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// Find path of executable and set path_data relative to it
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len = GetModuleFileName(GetModuleHandle(NULL), buf, buflen);
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assert(len < buflen);
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pathRemoveFile(buf, '\\');
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// Use "./bin/../data"
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path_data = std::string(buf) + DIR_DELIM ".." DIR_DELIM "data";
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//path_data = std::string(buf) + "/../share/" + PROJECT_NAME;
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// Use "C:\Documents and Settings\user\Application Data\<PROJECT_NAME>"
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len = GetEnvironmentVariable("APPDATA", buf, buflen);
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assert(len < buflen);
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path_userdata = std::string(buf) + DIR_DELIM + PROJECT_NAME;
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/*
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Linux
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*/
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#elif defined(linux)
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#include <unistd.h>
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char buf[BUFSIZ];
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memset(buf, 0, BUFSIZ);
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// Get path to executable
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assert(readlink("/proc/self/exe", buf, BUFSIZ-1) != -1);
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pathRemoveFile(buf, '/');
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path_data = std::string(buf) + "/../share/" + PROJECT_NAME;
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//path_data = std::string(INSTALL_PREFIX) + "/share/" + PROJECT_NAME;
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if (!fs::PathExists(path_data)) {
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dstream<<"WARNING: data path " << path_data << " not found!";
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path_data = std::string(buf) + "/../data";
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dstream<<" Trying " << path_data << std::endl;
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}
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path_userdata = std::string(getenv("HOME")) + "/." + PROJECT_NAME;
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/*
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OS X
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*/
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#elif defined(__APPLE__)
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#include <unistd.h>
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// Code based on
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// http://stackoverflow.com/questions/516200/relative-paths-not-working-in-xcode-c
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CFBundleRef main_bundle = CFBundleGetMainBundle();
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CFURLRef resources_url = CFBundleCopyResourcesDirectoryURL(main_bundle);
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char path[PATH_MAX];
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if(CFURLGetFileSystemRepresentation(resources_url, TRUE, (UInt8 *)path, PATH_MAX))
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{
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dstream<<"Bundle resource path: "<<path<<std::endl;
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//chdir(path);
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path_data = std::string(path) + "/data";
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}
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else
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{
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// error!
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dstream<<"WARNING: Could not determine bundle resource path"<<std::endl;
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}
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CFRelease(resources_url);
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path_userdata = std::string(getenv("HOME")) + "/Library/Application Support/" + PROJECT_NAME;
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#elif defined(__FreeBSD__)
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path_data = std::string(INSTALL_PREFIX) + "/share/" + PROJECT_NAME;
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path_userdata = std::string(getenv("HOME")) + "/." + PROJECT_NAME;
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#endif
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#endif // RUN_IN_PLACE
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dstream<<"path_data = "<<path_data<<std::endl;
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dstream<<"path_userdata = "<<path_userdata<<std::endl;
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}
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} //namespace porting
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