forked from mirrors/0ad
Ykkrosh
f4625e69af
Remove unnecessary VM allocation (which seemingly causes problems on Android due to mmap during static initialization). Allow building without NVTT. This was SVN commit r11074.
122 lines
3.3 KiB
C++
122 lines
3.3 KiB
C++
/* Copyright (C) 2009 Wildfire Games.
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* This file is part of 0 A.D.
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*
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* 0 A.D. 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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*
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* 0 A.D. 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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*
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* You should have received a copy of the GNU General Public License
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* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "precompiled.h"
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#include "Paths.h"
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#include "lib/file/file_system.h"
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#include "lib/sysdep/sysdep.h" // sys_get_executable_name
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#include "lib/sysdep/filesystem.h" // wrealpath
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#if OS_WIN
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# include "lib/sysdep/os/win/wutil.h" // wutil_AppdataPath
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#endif
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#include "ps/CLogger.h"
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Paths::Paths(const CmdLineArgs& args)
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{
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m_root = Root(args.GetArg0());
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#ifdef INSTALLED_DATADIR
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m_rdata = OsPath(STRINGIZE(INSTALLED_DATADIR))/"";
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#else
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m_rdata = m_root/"data"/"";
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#endif
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const char* subdirectoryName = args.Has("writableRoot")? 0 : "0ad";
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// everything is a subdirectory of the root
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if(!subdirectoryName)
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{
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m_data = m_rdata;
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m_config = m_data/"config"/"";
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m_cache = m_data/"cache"/"";
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m_logs = m_root/"logs"/"";
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}
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else
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{
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#if OS_ANDROID
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const OsPath appdata = OsPath("/sdcard/0ad/appdata");
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m_data = appdata/"data"/"";
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m_config = appdata/"config"/"";
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m_cache = appdata/"cache"/"";
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m_logs = appdata/"logs"/"";
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#elif OS_WIN
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const OsPath appdata = wutil_AppdataPath() / subdirectoryName/"";
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m_data = appdata/"data"/"";
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m_config = appdata/"config"/"";
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m_cache = appdata/"cache"/"";
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m_logs = appdata/"logs"/"";
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#else
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const char* envHome = getenv("HOME");
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ENSURE(envHome);
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const OsPath home(envHome);
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const OsPath xdgData = XDG_Path("XDG_DATA_HOME", home, home/".local/share/") / subdirectoryName;
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const OsPath xdgConfig = XDG_Path("XDG_CONFIG_HOME", home, home/".config/" ) / subdirectoryName;
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const OsPath xdgCache = XDG_Path("XDG_CACHE_HOME", home, home/".cache/" ) / subdirectoryName;
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m_data = xdgData/"";
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m_cache = xdgCache/"";
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m_config = xdgConfig/"config"/"";
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m_logs = xdgConfig/"logs"/"";
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#endif
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}
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}
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/*static*/ OsPath Paths::Root(const OsPath& argv0)
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{
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#if OS_ANDROID
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return OsPath("/sdcard/0ad"); // TODO: this is kind of bogus
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#else
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// get full path to executable
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OsPath pathname = sys_ExecutablePathname(); // safe, but requires OS-specific implementation
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if(pathname.empty()) // failed, use argv[0] instead
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{
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errno = 0;
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pathname = wrealpath(argv0);
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if(pathname.empty())
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WARN_IF_ERR(StatusFromErrno());
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}
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// make sure it's valid
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if(!FileExists(pathname))
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{
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LOGERROR(L"Cannot find executable (expected at '%ls')", pathname.string().c_str());
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WARN_IF_ERR(StatusFromErrno());
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}
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for(size_t i = 0; i < 2; i++) // remove "system/name.exe"
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pathname = pathname.Parent();
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return pathname;
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#endif
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}
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/*static*/ OsPath Paths::XDG_Path(const char* envname, const OsPath& home, const OsPath& defaultPath)
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{
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const char* path = getenv(envname);
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if(path)
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{
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if(path[0] != '/') // relative to $HOME
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return home / path/"";
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return OsPath(path)/"";
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}
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return defaultPath/"";
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}
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