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/* |
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* The ManaPlus Client |
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* Copyright (C) 2013-2019 The ManaPlus Developers |
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* Copyright (C) 2009-2021 Andrei Karas |
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* |
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* This file is part of The ManaPlus Client. |
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* |
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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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* any later version. |
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* |
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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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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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*/ |
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/* |
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* This code provides a glue layer between PhysicsFS and Simple Directmedia |
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* Layer's (SDL) RWops i/o abstraction. |
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* |
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* License: this code is public domain. I make no warranty that it is useful, |
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* correct, harmless, or environmentally safe. |
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* |
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* This particular file may be used however you like, including copying it |
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* verbatim into a closed-source project, exploiting it commercially, and |
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* removing any trace of my name from the source (although I hope you won't |
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* do that). I welcome enhancements and corrections to this file, but I do |
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* not require you to send me patches if you make changes. This code has |
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* NO WARRANTY. |
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* |
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* Unless otherwise stated, the rest of PhysicsFS falls under the zlib license. |
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* Please see LICENSE.txt in the root of the source tree. |
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* |
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* SDL falls under the LGPL license. You can get SDL at http://www.libsdl.org/ |
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* |
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* This file was written by Ryan C. Gordon. ([email protected]). |
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* |
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* Copyright (C) 2012-2019 The ManaPlus Developers |
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* Copyright (C) 2009-2021 Andrei Karas |
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*/ |
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#include "fs/virtfs/rwops.h" |
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#include "fs/virtfs/file.h" |
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#include "fs/virtfs/fs.h" |
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#include "fs/virtfs/fsfuncs.h" |
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#include "utils/checkutils.h" |
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#include "utils/fuzzer.h" |
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PRAGMA48(GCC diagnostic push) |
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PRAGMA48(GCC diagnostic ignored "-Wshadow") |
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#include <SDL_rwops.h> |
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PRAGMA48(GCC diagnostic pop) |
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#include "debug.h" |
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namespace VirtFs |
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{ |
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SDL_RWops *create_rwops(File *const file, |
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const std::string &restrict fname) |
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{ |
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SDL_RWops *retval = nullptr; |
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✗✓ |
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if (file == nullptr) |
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{ |
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reportAlways("VirtFs::rwops_seek: create rwops error: %s", |
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fname.c_str()) |
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} |
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else |
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{ |
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retval = SDL_AllocRW(); |
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✓✗ |
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if (retval != nullptr) |
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{ |
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#ifdef USE_SDL2 |
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retval->size = file->funcs->rwops_size; |
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#endif // USE_SDL2 |
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retval->seek = file->funcs->rwops_seek; |
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retval->read = file->funcs->rwops_read; |
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retval->write = file->funcs->rwops_write; |
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retval->close = file->funcs->rwops_close; |
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retval->hidden.unknown.data1 = file; |
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} /* if */ |
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} /* else */ |
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return retval; |
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} /* VirtFs::create_rwops */ |
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#ifdef __APPLE__ |
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static bool checkFilePath(const std::string &restrict fname) |
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{ |
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if (fname.empty()) |
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return false; |
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if (!exists(fname) || isDirectory(fname)) |
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return false; |
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return true; |
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} |
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#endif // __APPLE__ |
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SDL_RWops *rwopsOpenRead(const std::string &restrict fname) |
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{ |
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BLOCK_START("RWopsopenRead") |
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#ifdef __APPLE__ |
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if (!checkFilePath(fname)) |
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return nullptr; |
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#endif // __APPLE__ |
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#ifdef USE_FUZZER |
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if (Fuzzer::conditionTerminate(fname)) |
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return nullptr; |
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#endif // USE_FUZZER |
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#ifdef USE_PROFILER |
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SDL_RWops *const ret = create_rwops(openRead(fname), |
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fname); |
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BLOCK_END("RWopsopenRead") |
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return ret; |
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#else // USE_PROFILER |
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✓✗ |
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return create_rwops(openRead(fname), |
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✓✗ |
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fname); |
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#endif // USE_PROFILER |
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} /* RWopsopenRead */ |
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SDL_RWops *rwopsOpenWrite(const std::string &restrict fname) |
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{ |
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#ifdef __APPLE__ |
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if (!checkFilePath(fname)) |
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return nullptr; |
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#endif // __APPLE__ |
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return create_rwops(openWrite(fname), |
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fname); |
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} /* RWopsopenWrite */ |
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SDL_RWops *rwopsOpenAppend(const std::string &restrict fname) |
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{ |
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#ifdef __APPLE__ |
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if (!checkFilePath(fname)) |
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return nullptr; |
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#endif // __APPLE__ |
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return create_rwops(openAppend(fname), |
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fname); |
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} /* RWopsopenAppend */ |
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} // namespace VirtFs |
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/* end of virtfsrwops.c ... */ |