2 * Copyright (c) 2005 The DragonFly Project. All rights reserved.
4 * This code is derived from software contributed to The DragonFly Project
5 * by Matthew Dillon <dillon@backplane.com>
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in
15 * the documentation and/or other materials provided with the
17 * 3. Neither the name of The DragonFly Project nor the names of its
18 * contributors may be used to endorse or promote products derived
19 * from this software without specific, prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
24 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
25 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
26 * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
27 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
28 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
29 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
31 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * $DragonFly: src/usr.sbin/dntpd/log.c,v 1.5 2007/06/26 00:40:35 dillon Exp $
39 static void vlogline(int level, int newline, const char *ctl, va_list va);
44 logerr(const char *ctl, ...)
51 vlogline(0, 0, ctl, va);
52 logerrstr(": %s", strerror(saved_errno));
58 logerrstr(const char *ctl, ...)
63 vlogline(0, 1, ctl, va);
68 * logdebug() does not add the '\n', allowing multiple calls to generate
69 * a debugging log line. The buffer is accumulated until a newline is
70 * detected, then syslogged.
73 _logdebug(int level, const char *ctl, ...)
77 if (level <= debug_level) {
79 vlogline(level, 0, ctl, va);
85 _logdebuginfo(server_info_t info, int level, const char *ctl, ...)
91 if (level <= debug_level) {
94 vasprintf(&str, ctl, va);
96 if (info->ipstr == NULL || strcmp(info->target, info->ipstr) == 0) {
97 _logdebug(level, "%s: %s", info->target, str);
99 if ((ipstrpad = 15 - strlen(info->ipstr)) < 0)
101 _logdebug(level, "%s %*.*s(%s): %s", info->target,
102 ipstrpad, ipstrpad, "",
111 vlogline(int level, int newline, const char *ctl, va_list va)
113 static char line_build[1024];
114 static int line_index;
118 * Output to stderr directly but build the log line for syslog.
120 if (level <= debug_level) {
122 vfprintf(stderr, ctl, va);
124 fprintf(stderr, "\n");
127 if (debug_opt == 0) {
128 vsnprintf(line_build + line_index, sizeof(line_build) - line_index,
130 line_index += strlen(line_build + line_index);
131 if (line_index && line_build[line_index-1] == '\n') {
140 priority = LOG_NOTICE;
146 priority = LOG_DEBUG;
149 syslog(priority, "%*.*s", line_index, line_index, line_build);