/* * Copyright (c) 2013 Martin Sucha * All rights reserved. * * 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. * - The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. */ /** @addtogroup libc * @{ */ /** @file */ #ifndef _LIBC_IO_KLOG_H_ #define _LIBC_IO_KLOG_H_ #include <stddef.h> #include <stdarg.h> #include <io/verify.h> #include <stdio.h> #include <stdlib.h> #include <str.h> #include <abi/log.h> extern errno_t klog_write(log_level_t, const void *, size_t); extern errno_t klog_read(void *, size_t, size_t *); #define KLOG_PRINTF(lvl, fmt, ...) ({ \ char *_s; \ errno_t _rc = ENOMEM; \ if (asprintf(&_s, fmt, ##__VA_ARGS__) >= 0) { \ _rc = klog_write((lvl), _s, str_size(_s)); \ free(_s); \ }; \ (_rc != EOK); \ }) #endif /** @} */