From 979f9089199512d32dcc2de1f1e00a96aa9b0bf4 Mon Sep 17 00:00:00 2001 From: Andrei Karas Date: Fri, 5 May 2017 16:54:32 +0300 Subject: Rename virtfsrwops into rwops. --- src/fs/virtfs/rwops.cpp | 146 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 146 insertions(+) create mode 100644 src/fs/virtfs/rwops.cpp (limited to 'src/fs/virtfs/rwops.cpp') diff --git a/src/fs/virtfs/rwops.cpp b/src/fs/virtfs/rwops.cpp new file mode 100644 index 000000000..854c5510d --- /dev/null +++ b/src/fs/virtfs/rwops.cpp @@ -0,0 +1,146 @@ +/* + * The ManaPlus Client + * Copyright (C) 2013-2017 The ManaPlus Developers + * + * This file is part of The ManaPlus Client. + * + * 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 + * 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, see . + */ + +/* + * This code provides a glue layer between PhysicsFS and Simple Directmedia + * Layer's (SDL) RWops i/o abstraction. + * + * License: this code is public domain. I make no warranty that it is useful, + * correct, harmless, or environmentally safe. + * + * This particular file may be used however you like, including copying it + * verbatim into a closed-source project, exploiting it commercially, and + * removing any trace of my name from the source (although I hope you won't + * do that). I welcome enhancements and corrections to this file, but I do + * not require you to send me patches if you make changes. This code has + * NO WARRANTY. + * + * Unless otherwise stated, the rest of PhysicsFS falls under the zlib license. + * Please see LICENSE.txt in the root of the source tree. + * + * SDL falls under the LGPL license. You can get SDL at http://www.libsdl.org/ + * + * This file was written by Ryan C. Gordon. (icculus@icculus.org). + * + * Copyright (C) 2012-2017 The ManaPlus Developers + */ + +#include "fs/virtfs/rwops.h" + +#include "logger.h" + +#include "fs/virtfs/file.h" +#include "fs/virtfs/virtfs.h" +#include "fs/virtfs/fsfuncs.h" + +#include "utils/fuzzer.h" + +#include + +#include "debug.h" + +namespace VirtFs +{ + +SDL_RWops *create_rwops(File *const file) +{ + SDL_RWops *retval = nullptr; + + if (!file) + { + logger->assertLog("VirtFs::rwops_seek: create rwops error."); + } + else + { + retval = SDL_AllocRW(); + if (retval) + { +#ifdef USE_SDL2 + retval->size = file->funcs->rwops_size; +#endif // USE_SDL2 + + retval->seek = file->funcs->rwops_seek; + retval->read = file->funcs->rwops_read; + retval->write = file->funcs->rwops_write; + retval->close = file->funcs->rwops_close; + retval->hidden.unknown.data1 = file; + } /* if */ + } /* else */ + + return retval; +} /* VirtFs::create_rwops */ + +#ifdef __APPLE__ +static bool checkFilePath(const std::string &restrict fname) +{ + if (fname.empty()) + return false; + if (!exists(fname) || isDirectory(fname)) + return false; + return true; +} +#endif // __APPLE__ + +SDL_RWops *rwopsOpenRead(const std::string &restrict fname) +{ + BLOCK_START("RWopsopenRead") +#ifdef __APPLE__ + if (!checkFilePath(fname)) + return nullptr; +#endif // __APPLE__ +#ifdef USE_FUZZER + if (Fuzzer::conditionTerminate(fname)) + return nullptr; +#endif // USE_FUZZER +#ifdef USE_PROFILER + + SDL_RWops *const ret = create_rwops(openRead(fname)); + + BLOCK_END("RWopsopenRead") + return ret; +#else // USE_PROFILER + + return create_rwops(openRead(fname)); +#endif // USE_PROFILER +} /* RWopsopenRead */ + +SDL_RWops *rwopsOpenWrite(const std::string &restrict fname) +{ +#ifdef __APPLE__ + if (!checkFilePath(fname)) + return nullptr; +#endif // __APPLE__ + + return create_rwops(openWrite(fname)); +} /* RWopsopenWrite */ + +SDL_RWops *rwopsOpenAppend(const std::string &restrict fname) +{ +#ifdef __APPLE__ + if (!checkFilePath(fname)) + return nullptr; +#endif // __APPLE__ + + return create_rwops(openAppend(fname)); +} /* RWopsopenAppend */ + +} // namespace VirtFs + +/* end of virtfsrwops.c ... */ -- cgit v1.2.3-70-g09d2