1 /*	$NetBSD: log.h,v 1.4 2014/12/10 04:37:55 christos Exp $	*/
2 
3 /* Id: log.h,v 1.1 2003/06/04 00:25:38 marka Exp  */
4 /*
5  * Copyright (c) 2000 Japan Network Information Center.  All rights reserved.
6  *
7  * By using this file, you agree to the terms and conditions set forth bellow.
8  *
9  * 			LICENSE TERMS AND CONDITIONS
10  *
11  * The following License Terms and Conditions apply, unless a different
12  * license is obtained from Japan Network Information Center ("JPNIC"),
13  * a Japanese association, Kokusai-Kougyou-Kanda Bldg 6F, 2-3-4 Uchi-Kanda,
14  * Chiyoda-ku, Tokyo 101-0047, Japan.
15  *
16  * 1. Use, Modification and Redistribution (including distribution of any
17  *    modified or derived work) in source and/or binary forms is permitted
18  *    under this License Terms and Conditions.
19  *
20  * 2. Redistribution of source code must retain the copyright notices as they
21  *    appear in each source code file, this License Terms and Conditions.
22  *
23  * 3. Redistribution in binary form must reproduce the Copyright Notice,
24  *    this License Terms and Conditions, in the documentation and/or other
25  *    materials provided with the distribution.  For the purposes of binary
26  *    distribution the "Copyright Notice" refers to the following language:
27  *    "Copyright (c) 2000-2002 Japan Network Information Center.  All rights reserved."
28  *
29  * 4. The name of JPNIC may not be used to endorse or promote products
30  *    derived from this Software without specific prior written approval of
31  *    JPNIC.
32  *
33  * 5. Disclaimer/Limitation of Liability: THIS SOFTWARE IS PROVIDED BY JPNIC
34  *    "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
35  *    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
36  *    PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL JPNIC BE LIABLE
37  *    FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
38  *    CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
39  *    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
40  *    BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
41  *    WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
42  *    OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
43  *    ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
44  */
45 
46 #ifndef IDN_LOG_H
47 #define IDN_LOG_H 1
48 
49 #ifdef __cplusplus
50 extern "C" {
51 #endif
52 
53 /*
54  * libidnkit logging facility.
55  */
56 
57 #include <idn/export.h>
58 
59 /*
60  * Log level definition.
61  */
62 enum {
63 	idn_log_level_fatal = 0,
64 	idn_log_level_error = 1,
65 	idn_log_level_warning = 2,
66 	idn_log_level_info = 3,
67 	idn_log_level_trace = 4,
68 	idn_log_level_dump = 5
69 };
70 
71 /*
72  * Log handler type.
73  */
74 typedef void	(*idn_log_proc_t)(int level, const char *msg);
75 
76 /*
77  * Log routines.
78  */
79 IDN_EXPORT void	idn_log_fatal(const char *fmt, ...);
80 IDN_EXPORT void	idn_log_error(const char *fmt, ...);
81 IDN_EXPORT void	idn_log_warning(const char *fmt, ...);
82 IDN_EXPORT void	idn_log_info(const char *fmt, ...);
83 IDN_EXPORT void	idn_log_trace(const char *fmt, ...);
84 IDN_EXPORT void	idn_log_dump(const char *fmt, ...);
85 
86 /*
87  * Set/get log level.
88  *
89  * If log level has not been explicitly defined by 'idn_log_setlevel',
90  * the default level is determined by the value of enrironment
91  * variable 'IDN_LOG_LEVEL'.
92  */
93 IDN_EXPORT void	idn_log_setlevel(int level);
94 IDN_EXPORT int	idn_log_getlevel(void);
95 
96 /*
97  * Set log handler.
98  *
99  * If no log handler is set, log goes to stderr by default.
100  * You can reset the handler to the default one by specifying
101  * NULL.
102  */
103 IDN_EXPORT void	idn_log_setproc(idn_log_proc_t proc);
104 
105 #ifdef __cplusplus
106 }
107 #endif
108 
109 #endif /* IDN_LOG_H */
110