2 * Copyright 2016 Jakub Klama <jceel@FreeBSD.org>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted providing that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
16 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
18 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
22 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
23 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
24 * POSSIBILITY OF SUCH DAMAGE.
34 static const char *l9p_log_level_names[] = {
42 l9p_logf(enum l9p_log_level level, const char *func, const char *fmt, ...)
44 const char *dest = NULL;
45 static FILE *stream = NULL;
49 dest = getenv("LIB9P_LOGGING");
52 else if (!strcmp(dest, "stderr"))
55 stream = fopen(dest, "a");
62 fprintf(stream, "[%s]\t %s: ", l9p_log_level_names[level], func);
63 vfprintf(stream, fmt, ap);
64 fprintf(stream, "\n");