/** * \file l4re/lib/src/log.cc * \brief Log */ /* * (c) 2008-2009 Adam Lackorzynski , * Alexander Warg * economic rights: Technische Universität Dresden (Germany) * * This file is part of TUD:OS and distributed under the terms of the * GNU General Public License 2. * Please see the COPYING-GPL-2 file for details. * * As a special exception, you may use this file as part of a free software * library without restriction. Specifically, if other files instantiate * templates or use macros or inline functions from this file, or you compile * this file and link it with other files to produce an executable, this * file does not by itself cause the resulting executable to be covered by * the GNU General Public License. This exception does not however * invalidate any other reasons why the executable file might be covered by * the GNU General Public License. */ #include #include namespace L4Re { void Log::printn(char const *string, int len) const noexcept { l4_msg_regs_t store; l4_msg_regs_t *mr = l4_utcb_mr(); memcpy(&store, mr, sizeof(store)); while (len) { long l = write(string, len); if (l < 0) return; len -= l; string += l; } memcpy(mr, &store, sizeof(store)); } void Log::print(char const *string) const noexcept { printn(string, __builtin_strlen(string)); } }