1/* $Id: log.h,v 1.1 2003/06/04 00:25:38 marka Exp $ */
2/*
3 * Copyright (c) 2000 Japan Network Information Center.  All rights reserved.
4 *
5 * By using this file, you agree to the terms and conditions set forth bellow.
6 *
7 * 			LICENSE TERMS AND CONDITIONS
8 *
9 * The following License Terms and Conditions apply, unless a different
10 * license is obtained from Japan Network Information Center ("JPNIC"),
11 * a Japanese association, Kokusai-Kougyou-Kanda Bldg 6F, 2-3-4 Uchi-Kanda,
12 * Chiyoda-ku, Tokyo 101-0047, Japan.
13 *
14 * 1. Use, Modification and Redistribution (including distribution of any
15 *    modified or derived work) in source and/or binary forms is permitted
16 *    under this License Terms and Conditions.
17 *
18 * 2. Redistribution of source code must retain the copyright notices as they
19 *    appear in each source code file, this License Terms and Conditions.
20 *
21 * 3. Redistribution in binary form must reproduce the Copyright Notice,
22 *    this License Terms and Conditions, in the documentation and/or other
23 *    materials provided with the distribution.  For the purposes of binary
24 *    distribution the "Copyright Notice" refers to the following language:
25 *    "Copyright (c) 2000-2002 Japan Network Information Center.  All rights reserved."
26 *
27 * 4. The name of JPNIC may not be used to endorse or promote products
28 *    derived from this Software without specific prior written approval of
29 *    JPNIC.
30 *
31 * 5. Disclaimer/Limitation of Liability: THIS SOFTWARE IS PROVIDED BY JPNIC
32 *    "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
33 *    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
34 *    PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL JPNIC BE LIABLE
35 *    FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
36 *    CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
37 *    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
38 *    BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
39 *    WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
40 *    OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
41 *    ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
42 */
43
44#ifndef IDN_LOG_H
45#define IDN_LOG_H 1
46
47#ifdef __cplusplus
48extern "C" {
49#endif
50
51/*
52 * libidnkit logging facility.
53 */
54
55#include <idn/export.h>
56
57/*
58 * Log level definition.
59 */
60enum {
61	idn_log_level_fatal = 0,
62	idn_log_level_error = 1,
63	idn_log_level_warning = 2,
64	idn_log_level_info = 3,
65	idn_log_level_trace = 4,
66	idn_log_level_dump = 5
67};
68
69/*
70 * Log handler type.
71 */
72typedef void	(*idn_log_proc_t)(int level, const char *msg);
73
74/*
75 * Log routines.
76 */
77IDN_EXPORT void	idn_log_fatal(const char *fmt, ...);
78IDN_EXPORT void	idn_log_error(const char *fmt, ...);
79IDN_EXPORT void	idn_log_warning(const char *fmt, ...);
80IDN_EXPORT void	idn_log_info(const char *fmt, ...);
81IDN_EXPORT void	idn_log_trace(const char *fmt, ...);
82IDN_EXPORT void	idn_log_dump(const char *fmt, ...);
83
84/*
85 * Set/get log level.
86 *
87 * If log level has not been explicitly defined by 'idn_log_setlevel',
88 * the default level is determined by the value of enrironment
89 * variable 'IDN_LOG_LEVEL'.
90 */
91IDN_EXPORT void	idn_log_setlevel(int level);
92IDN_EXPORT int	idn_log_getlevel(void);
93
94/*
95 * Set log handler.
96 *
97 * If no log handler is set, log goes to stderr by default.
98 * You can reset the handler to the default one by specifying
99 * NULL.
100 */
101IDN_EXPORT void	idn_log_setproc(idn_log_proc_t proc);
102
103#ifdef __cplusplus
104}
105#endif
106
107#endif /* IDN_LOG_H */
108