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Diffstat (limited to 'src/libjasper/base/jas_debug.c')
| -rw-r--r-- | src/libjasper/base/jas_debug.c | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/src/libjasper/base/jas_debug.c b/src/libjasper/base/jas_debug.c new file mode 100644 index 0000000..8a762d5 --- /dev/null +++ b/src/libjasper/base/jas_debug.c @@ -0,0 +1,137 @@ +/* + * Copyright (c) 2001-2002 Michael David Adams. + * All rights reserved. + */ + +/* __START_OF_JASPER_LICENSE__ + * + * JasPer License Version 2.0 + * + * Copyright (c) 2001-2006 Michael David Adams + * Copyright (c) 1999-2000 Image Power, Inc. + * Copyright (c) 1999-2000 The University of British Columbia + * + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person (the + * "User") obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, and/or sell copies of the Software, and to permit + * persons to whom the Software is furnished to do so, subject to the + * following conditions: + * + * 1. The above copyright notices and this permission notice (which + * includes the disclaimer below) shall be included in all copies or + * substantial portions of the Software. + * + * 2. The name of a copyright holder shall not be used to endorse or + * promote products derived from the Software without specific prior + * written permission. + * + * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS + * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER + * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS + * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL + * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING + * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, + * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION + * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE + * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE + * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY. + * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS + * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL + * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS + * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE + * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE + * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL + * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES, + * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL + * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH + * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH, + * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH + * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY + * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES. + * + * __END_OF_JASPER_LICENSE__ + */ + +/******************************************************************************\ +* Includes. +\******************************************************************************/ + +#include <stdarg.h> +#include <stdio.h> + +#include "jasper/jas_types.h" +#include "jasper/jas_debug.h" + +/******************************************************************************\ +* Local data. +\******************************************************************************/ + +static int jas_dbglevel = 0; +/* The debug level. */ + +/******************************************************************************\ +* Code for getting/setting the debug level. +\******************************************************************************/ + +/* Set the library debug level. */ +int jas_setdbglevel(int dbglevel) +{ + int olddbglevel; + + /* Save the old debug level. */ + olddbglevel = jas_dbglevel; + + /* Change the debug level. */ + jas_dbglevel = dbglevel; + + /* Return the old debug level. */ + return olddbglevel; +} + +/* Get the library debug level. */ +int jas_getdbglevel() +{ + return jas_dbglevel; +} + +/******************************************************************************\ +* Code. +\******************************************************************************/ + +/* Perform formatted output to standard error. */ +int jas_eprintf(const char *fmt, ...) +{ + int ret; + va_list ap; + + va_start(ap, fmt); + ret = vfprintf(stderr, fmt, ap); + va_end(ap); + return ret; +} + +/* Dump memory to a stream. */ +int jas_memdump(FILE *out, void *data, size_t len) +{ + size_t i; + size_t j; + uchar *dp; + dp = data; + for (i = 0; i < len; i += 16) { + fprintf(out, "%04x:", i); + for (j = 0; j < 16; ++j) { + if (i + j < len) { + fprintf(out, " %02x", dp[i + j]); + } + } + fprintf(out, "\n"); + } + return 0; +} |