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chroot-fs-factory.cpp

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00001 /* ScummVM - Graphic Adventure Engine
00002  *
00003  * ScummVM is the legal property of its developers, whose names
00004  * are too numerous to list here. Please refer to the COPYRIGHT
00005  * file distributed with this source distribution.
00006  *
00007  * This program is free software; you can redistribute it and/or
00008  * modify it under the terms of the GNU General Public License
00009  * as published by the Free Software Foundation; either version 2
00010  * of the License, or (at your option) any later version.
00011  *
00012  * This program is distributed in the hope that it will be useful,
00013  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015  * GNU General Public License for more details.
00016  *
00017  * You should have received a copy of the GNU General Public License
00018  * along with this program; if not, write to the Free Software
00019  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
00020  *
00021  */
00022 
00023 #if defined(POSIX)
00024 
00025 #define FORBIDDEN_SYMBOL_EXCEPTION_time_h
00026 #define FORBIDDEN_SYMBOL_EXCEPTION_unistd_h
00027 #define FORBIDDEN_SYMBOL_EXCEPTION_mkdir
00028 #define FORBIDDEN_SYMBOL_EXCEPTION_exit     //Needed for IRIX's unistd.h
00029 #define FORBIDDEN_SYMBOL_EXCEPTION_random
00030 #define FORBIDDEN_SYMBOL_EXCEPTION_srandom
00031 
00032 #include <unistd.h>
00033 
00034 #include "backends/fs/chroot/chroot-fs-factory.h"
00035 #include "backends/fs/chroot/chroot-fs.h"
00036 
00037 ChRootFilesystemFactory::ChRootFilesystemFactory(const Common::String &root)
00038     : _root(root) {
00039 }
00040 
00041 AbstractFSNode *ChRootFilesystemFactory::makeRootFileNode() const {
00042     return new ChRootFilesystemNode(_root, "/");
00043 }
00044 
00045 AbstractFSNode *ChRootFilesystemFactory::makeCurrentDirectoryFileNode() const {
00046     char buf[MAXPATHLEN];
00047     if (getcwd(buf, MAXPATHLEN) == NULL) {
00048         return NULL;
00049     }
00050 
00051     if (Common::String(buf).hasPrefix(_root + Common::String("/"))) {
00052         return new ChRootFilesystemNode(_root, buf + _root.size());
00053     }
00054 
00055     return new ChRootFilesystemNode(_root, "/");
00056 }
00057 
00058 AbstractFSNode *ChRootFilesystemFactory::makeFileNodePath(const Common::String &path) const {
00059     assert(!path.empty());
00060     return new ChRootFilesystemNode(_root, path);
00061 }
00062 
00063 #endif


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