2 * Copyright (c) 2016, Olivier MATZ <zer0@droids-corp.org>
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are met:
7 * * Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * * Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 * * Neither the name of the University of California, Berkeley nor the
13 * names of its contributors may be used to endorse or promote products
14 * derived from this software without specific prior written permission.
16 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND ANY
17 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19 * DISCLAIMED. IN NO EVENT SHALL THE REGENTS AND CONTRIBUTORS BE LIABLE FOR ANY
20 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
23 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
25 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 #define EC_LOG_EMERG 0 /* system is unusable */
32 #define EC_LOG_ALERT 1 /* action must be taken immediately */
33 #define EC_LOG_CRIT 2 /* critical conditions */
34 #define EC_LOG_ERR 3 /* error conditions */
35 #define EC_LOG_WARNING 4 /* warning conditions */
36 #define EC_LOG_NOTICE 5 /* normal but significant condition */
37 #define EC_LOG_INFO 6 /* informational */
38 #define EC_LOG_DEBUG 7 /* debug-level messages */
42 /* return -1 on error, len(s) on success */
43 typedef int (*ec_log_t)(unsigned int level, void *opaque, const char *str);
45 int ec_log_register(ec_log_t usr_log, void *opaque);
46 void ec_log_unregister(void);
48 /* same api than printf */
49 int ec_log(unsigned int level, const char *format, ...);
50 int ec_vlog(unsigned int level, const char *format, va_list ap);
52 /* default log handler for the library, use printf */
53 int ec_log_default(unsigned int level, void *opaque, const char *str);