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jas_debug.h
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1/*
2 * Copyright (c) 2001-2002 Michael David Adams.
3 * All rights reserved.
4 */
5
6/* __START_OF_JASPER_LICENSE__
7 *
8 * JasPer License Version 2.0
9 *
10 * Copyright (c) 2001-2006 Michael David Adams
11 * Copyright (c) 1999-2000 Image Power, Inc.
12 * Copyright (c) 1999-2000 The University of British Columbia
13 *
14 * All rights reserved.
15 *
16 * Permission is hereby granted, free of charge, to any person (the
17 * "User") obtaining a copy of this software and associated documentation
18 * files (the "Software"), to deal in the Software without restriction,
19 * including without limitation the rights to use, copy, modify, merge,
20 * publish, distribute, and/or sell copies of the Software, and to permit
21 * persons to whom the Software is furnished to do so, subject to the
22 * following conditions:
23 *
24 * 1. The above copyright notices and this permission notice (which
25 * includes the disclaimer below) shall be included in all copies or
26 * substantial portions of the Software.
27 *
28 * 2. The name of a copyright holder shall not be used to endorse or
29 * promote products derived from the Software without specific prior
30 * written permission.
31 *
32 * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS
33 * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER
34 * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS
35 * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
36 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
37 * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO
38 * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL
39 * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING
40 * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
41 * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
42 * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE
43 * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE
44 * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY.
45 * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS
46 * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL
47 * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS
48 * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE
49 * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE
50 * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL
51 * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES,
52 * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL
53 * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH
54 * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH,
55 * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH
56 * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY
57 * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES.
58 *
59 * __END_OF_JASPER_LICENSE__
60 */
61
67#ifndef JAS_DEBUG_H
68#define JAS_DEBUG_H
69
70/******************************************************************************\
71* Includes.
72\******************************************************************************/
73
74/* The configuration header file should be included first. */
75#include <jasper/jas_config.h>
76
77#include "jasper/jas_init.h"
78#include "jasper/jas_debug.h"
79
80#include <stdio.h>
81#include <stdarg.h>
82
83#ifdef __cplusplus
84 extern "C" {
85#endif
86
87/******************************************************************************\
88* Macros and functions.
89\******************************************************************************/
90
91/* Output debugging information to standard error provided that the debug
92 level is set sufficiently high. */
93#if !defined(NDEBUG)
94#define JAS_DBGLOG(n, x) \
95 ((jas_get_debug_level() >= (n)) ? (jas_eprintf x) : 0)
96#else
97#define JAS_DBGLOG(n, x)
98#endif
99
100#if !defined(NDEBUG)
101#define JAS_LOGDEBUGF(n, ...) \
102 ((jas_get_debug_level() >= (n)) ? jas_logdebugf((n), __VA_ARGS__) : 0)
103#else
104#define JAS_LOGDEBUGF(n, ...)
105#endif
106
111JAS_EXPORT
112 void jas_deprecated(const char *fmt, ...);
113
121JAS_DEPRECATED
122 static inline
123 int jas_getdbglevel(void)
124{
125 jas_deprecated("jas_getdbglevel is deprecated\n");
126 return jas_get_debug_level();
127}
128
133JAS_EXPORT
134 int jas_setdbglevel(int dbglevel);
135
140JAS_EXPORT
141 int jas_eprintf(const char *fmt, ...);
142
147JAS_EXPORT
148 int jas_logprintf(const char *fmt, ...);
149
154JAS_EXPORT
155 int jas_logerrorf(const char *fmt, ...);
156
161JAS_EXPORT
162 int jas_logwarnf(const char *fmt, ...);
163
168JAS_EXPORT
169 int jas_loginfof(const char *fmt, ...);
170
175JAS_EXPORT
176 int jas_logdebugf(int priority, const char *fmt, ...);
177
182 int jas_logmemdump(const void *data, size_t len);
183
188JAS_EXPORT
189 int jas_memdump(FILE *out, const void *data, size_t len);
190
195#define JAS_STRINGIFY(x) #x
196
201#define JAS_STRINGIFYX(x) JAS_STRINGIFY(x)
202
203#ifdef __cplusplus
204}
205#endif
206
207#endif
jas_get_debug_level
static int jas_get_debug_level(void)
Get the debug level for a particular context.
Definition: jas_init.h:429
jas_debug.h
JasPer Debugging-Related Functionality.
jas_logprintf
JAS_EXPORT int jas_logprintf(const char *fmt,...)
Generate a generic log message.
Definition: jas_debug.c:107
jas_getdbglevel
static JAS_DEPRECATED int jas_getdbglevel(void)
Get the library debug level.
Definition: jas_debug.h:123
jas_logwarnf
JAS_EXPORT int jas_logwarnf(const char *fmt,...)
Generate a warning log message.
Definition: jas_debug.c:131
jas_logmemdump
int jas_logmemdump(const void *data, size_t len)
Dump memory.
Definition: jas_debug.c:245
jas_eprintf
JAS_EXPORT int jas_eprintf(const char *fmt,...)
Print formatted text for the standard error stream (i.e., stderr).
Definition: jas_debug.c:96
jas_logdebugf
JAS_EXPORT int jas_logdebugf(int priority, const char *fmt,...)
Generate a debugging log message.
Definition: jas_debug.c:155
jas_loginfof
JAS_EXPORT int jas_loginfof(const char *fmt,...)
Generate an informational log message.
Definition: jas_debug.c:143
jas_setdbglevel
JAS_EXPORT int jas_setdbglevel(int dbglevel)
Set the library debug level.
Definition: jas_debug.c:83
jas_deprecated
JAS_EXPORT void jas_deprecated(const char *fmt,...)
Warn about the use of deprecated functionality.
Definition: jas_debug.c:266
jas_logerrorf
JAS_EXPORT int jas_logerrorf(const char *fmt,...)
Generate an error log message.
Definition: jas_debug.c:119
jas_memdump
JAS_EXPORT int jas_memdump(FILE *out, const void *data, size_t len)
Dump memory to a stream.
Definition: jas_debug.c:227
jas_init.h
JasPer Initialization/Cleanup Code.