/* * Copyright (c) 2002-2004 MontaVista Software, Inc. * * All rights reserved. * * Author: Steven Dake (sdake@mvista.com) * * This software licensed under BSD license, the text of which follows: * * 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 the MontaVista Software, Inc. 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. */ #include #include #include #include #include #include #include "print.h" int log_fd = 0; struct sockaddr_un syslog_sockaddr = { sun_family: AF_UNIX, sun_path: "/dev/log" }; /* * logging printf */ void internal_log_printf (int level, char *string, ...) { va_list ap; char newstring[1024]; struct msghdr msg_log; struct iovec iov_log; int res; va_start(ap, string); sprintf (newstring, "L(%x): %s", level, string); vfprintf(stderr, newstring, ap); va_end(ap); if (log_fd == 0) { log_fd = socket (AF_UNIX, SOCK_DGRAM, 0); } iov_log.iov_base = newstring; iov_log.iov_len = strlen (newstring) + 1; msg_log.msg_iov = &iov_log; msg_log.msg_iovlen = 1; msg_log.msg_name = &syslog_sockaddr; msg_log.msg_namelen = sizeof (syslog_sockaddr); msg_log.msg_control = 0; msg_log.msg_controllen = 0; msg_log.msg_flags = 0; res = sendmsg (log_fd, &msg_log, MSG_NOSIGNAL | MSG_DONTWAIT); printf ("res is %d\n", res); } int main (void) { log_printf (LOG_LEVEL_ERROR, "This is error string 1=%d\n", 1); }