minetest/src/porting.cpp

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/*
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 General Public License as published by
the Free Software Foundation; either version 2 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 General Public License for more details.
You should have received a copy of the GNU 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"
namespace porting
{
std::string path_data = "../data";
std::string path_userdata = "../";
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;
}
void initializePaths()
{
#ifdef RUN_IN_PLACE
/*
Use relative paths if RUN_IN_PLACE
*/
dstream<<"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_data relative to it
len = GetModuleFileName(GetModuleHandle(NULL), buf, buflen);
assert(len < buflen);
pathRemoveFile(buf, '\\');
// Use "./bin/../data"
path_data = std::string(buf) + "/../data";
// Use "./bin/../"
path_userdata = std::string(buf) + "/../";
/*
Linux
*/
#elif defined(linux)
#include <unistd.h>
char buf[BUFSIZ];
// Get path to executable
readlink("/proc/self/exe", buf, BUFSIZ);
pathRemoveFile(buf, '/');
// Use "./bin/../data"
path_data = std::string(buf) + "/../data";
// Use "./bin/../"
path_userdata = std::string(buf) + "/../";
/*
OS X
*/
#elif defined(__APPLE__)
//TODO: Get path of executable. This assumes working directory is bin/
dstream<<"WARNING: Relative path not properly supported on OS X"
<<std::endl;
path_data = std::string("../data");
path_userdata = std::string("../");
#endif
#else
/*
Use platform-specific paths otherwise
*/
dstream<<"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_data relative to it
len = GetModuleFileName(GetModuleHandle(NULL), buf, buflen);
assert(len < buflen);
pathRemoveFile(buf, '\\');
// Use "./bin/../data"
path_data = std::string(buf) + "/../data";
// Use "C:\Documents and Settings\user\Application Data\<APPNAME>"
len = GetEnvironmentVariable("APPDATA", buf, buflen);
assert(len < buflen);
path_userdata = std::string(buf) + "/" + APPNAME;
/*
Linux
*/
#elif defined(linux)
path_userdata = std::string("~/.") + APPNAME;
path_data = std::string("/usr/share/") + APPNAME;
/*
OS X
*/
#elif defined(__APPLE__)
path_userdata = std::string("~/Library/Application Support/") + APPNAME;
path_data = std::string("minetest-mac.app/Contents/Resources/data/");
#endif
#endif
dstream<<"path_data = "<<path_data<<std::endl;
dstream<<"path_userdata = "<<path_userdata<<std::endl;
}
} //namespace porting