jas_debug.c (4813B)
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) 1999-2000 Image Power, Inc. 11 * Copyright (c) 1999-2000 The University of British Columbia 12 * Copyright (c) 2001-2003 Michael David Adams 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 62 /******************************************************************************\ 63 * Includes. 64 \******************************************************************************/ 65 66 #include <stdarg.h> 67 #include <stdio.h> 68 69 #include "jasper/jas_types.h" 70 #include "jasper/jas_debug.h" 71 72 /******************************************************************************\ 73 * Local data. 74 \******************************************************************************/ 75 76 static int jas_dbglevel = 0; 77 /* The debug level. */ 78 79 /******************************************************************************\ 80 * Code for getting/setting the debug level. 81 \******************************************************************************/ 82 83 /* Set the library debug level. */ 84 int jas_setdbglevel(int dbglevel) 85 { 86 int olddbglevel; 87 88 /* Save the old debug level. */ 89 olddbglevel = jas_dbglevel; 90 91 /* Change the debug level. */ 92 jas_dbglevel = dbglevel; 93 94 /* Return the old debug level. */ 95 return olddbglevel; 96 } 97 98 /* Get the library debug level. */ 99 int jas_getdbglevel() 100 { 101 return jas_dbglevel; 102 } 103 104 /******************************************************************************\ 105 * Code. 106 \******************************************************************************/ 107 108 /* Perform formatted output to standard error. */ 109 int jas_eprintf(const char *fmt, ...) 110 { 111 int ret; 112 va_list ap; 113 114 va_start(ap, fmt); 115 ret = vfprintf(stderr, fmt, ap); 116 va_end(ap); 117 return ret; 118 } 119 120 /* Dump memory to a stream. */ 121 int jas_memdump(FILE *out, void *data, size_t len) 122 { 123 size_t i; 124 size_t j; 125 uchar *dp; 126 dp = data; 127 for (i = 0; i < len; i += 16) { 128 fprintf(out, "%04x:", (int)i); 129 for (j = 0; j < 16; ++j) { 130 if (i + j < len) { 131 fprintf(out, " %02x", dp[i + j]); 132 } 133 } 134 fprintf(out, "\n"); 135 } 136 return 0; 137 }