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posix.cpp

/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * 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.
 *
 * $URL$
 * $Id$
 *
 */

#include "common/scummsys.h"

#ifdef UNIX

#include "backends/platform/sdl/posix/posix.h"
#include "backends/saves/posix/posix-saves.h"
#include "backends/fs/posix/posix-fs-factory.h"

#include <errno.h>
#include <sys/stat.h>

OSystem_POSIX::OSystem_POSIX(Common::String baseConfigName)
      :
      _baseConfigName(baseConfigName) {
}

void OSystem_POSIX::init() {
      // Initialze File System Factory
      _fsFactory = new POSIXFilesystemFactory();

      // Invoke parent implementation of this method
      OSystem_SDL::init();
}

void OSystem_POSIX::initBackend() {
      // Create the savefile manager
      if (_savefileManager == 0)
            _savefileManager = new POSIXSaveFileManager();

      // Invoke parent implementation of this method
      OSystem_SDL::initBackend();
}

Common::String OSystem_POSIX::getDefaultConfigFileName() {
      char configFile[MAXPATHLEN];

      // On UNIX type systems, by default we store the config file inside
      // to the HOME directory of the user.
      const char *home = getenv("HOME");
      if (home != NULL && strlen(home) < MAXPATHLEN)
            snprintf(configFile, MAXPATHLEN, "%s/%s", home, _baseConfigName.c_str());
      else
            strcpy(configFile, _baseConfigName.c_str());

      return configFile;
}

Common::WriteStream *OSystem_POSIX::createLogFile() {
      const char *home = getenv("HOME");
      if (home == NULL)
            return 0;

      Common::String logFile(home);
#ifdef MACOSX
      logFile += "/Library";
#else
      logFile += "/.scummvm";
#endif
#ifdef SAMSUNGTV
      logFile = "/mtd_ram";
#endif

      struct stat sb;

      // Check whether the dir exists
      if (stat(logFile.c_str(), &sb) == -1) {
            // The dir does not exist, or stat failed for some other reason.
            if (errno != ENOENT)
                  return 0;

            // If the problem was that the path pointed to nothing, try
            // to create the dir.
            if (mkdir(logFile.c_str(), 0755) != 0)
                  return 0;
      } else if (!S_ISDIR(sb.st_mode)) {
            // Path is no directory. Oops
            return 0;
      }

#ifdef MACOSX
      logFile += "/Logs";
#else
      logFile += "/logs";
#endif

      // Check whether the dir exists
      if (stat(logFile.c_str(), &sb) == -1) {
            // The dir does not exist, or stat failed for some other reason.
            if (errno != ENOENT)
                  return 0;

            // If the problem was that the path pointed to nothing, try
            // to create the dir.
            if (mkdir(logFile.c_str(), 0755) != 0)
                  return 0;
      } else if (!S_ISDIR(sb.st_mode)) {
            // Path is no directory. Oops
            return 0;
      }

      logFile += "/scummvm.log";

      Common::FSNode file(logFile);
      return file.createWriteStream();
}

#endif

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