/* * Copyright (c) 2016-2017, Intel Corporation * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * * Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * Neither the name of Intel Corporation nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #ifndef DUMP_UTIL #define DUMP_UTIL #include "noncopyable.h" #include <cstdio> #include <memory> #include <string> namespace ue2 { /** * Same as fopen(), but on error throws an exception rather than returning NULL. */ FILE *fopen_or_throw(const char *path, const char *mode); /** * \brief Helper class: wraps C stdio FILE* handle and takes care of closing * the file on destruction. */ class StdioFile : noncopyable { public: StdioFile(const std::string &filename, const char *mode) : handle(fopen_or_throw(filename.c_str(), mode), &fclose) {} // Implicit conversion to FILE* for use by stdio calls. operator FILE *() { return handle.get(); } private: std::unique_ptr<FILE, decltype(&fclose)> handle; }; } // namespace ue2 #endif