jas_debug.c 4.8 KB

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  1. /*
  2. * Copyright (c) 2001-2002 Michael David Adams.
  3. * All rights reserved.
  4. */
  5. /* __START_OF_JASPER_LICENSE__
  6. *
  7. * JasPer License Version 2.0
  8. *
  9. * Copyright (c) 2001-2006 Michael David Adams
  10. * Copyright (c) 1999-2000 Image Power, Inc.
  11. * Copyright (c) 1999-2000 The University of British Columbia
  12. *
  13. * All rights reserved.
  14. *
  15. * Permission is hereby granted, free of charge, to any person (the
  16. * "User") obtaining a copy of this software and associated documentation
  17. * files (the "Software"), to deal in the Software without restriction,
  18. * including without limitation the rights to use, copy, modify, merge,
  19. * publish, distribute, and/or sell copies of the Software, and to permit
  20. * persons to whom the Software is furnished to do so, subject to the
  21. * following conditions:
  22. *
  23. * 1. The above copyright notices and this permission notice (which
  24. * includes the disclaimer below) shall be included in all copies or
  25. * substantial portions of the Software.
  26. *
  27. * 2. The name of a copyright holder shall not be used to endorse or
  28. * promote products derived from the Software without specific prior
  29. * written permission.
  30. *
  31. * THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS
  32. * LICENSE. NO USE OF THE SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER
  33. * THIS DISCLAIMER. THE SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS
  34. * "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
  35. * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
  36. * PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO
  37. * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL
  38. * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING
  39. * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
  40. * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
  41. * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. NO ASSURANCES ARE
  42. * PROVIDED BY THE COPYRIGHT HOLDERS THAT THE SOFTWARE DOES NOT INFRINGE
  43. * THE PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY OTHER ENTITY.
  44. * EACH COPYRIGHT HOLDER DISCLAIMS ANY LIABILITY TO THE USER FOR CLAIMS
  45. * BROUGHT BY ANY OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL
  46. * PROPERTY RIGHTS OR OTHERWISE. AS A CONDITION TO EXERCISING THE RIGHTS
  47. * GRANTED HEREUNDER, EACH USER HEREBY ASSUMES SOLE RESPONSIBILITY TO SECURE
  48. * ANY OTHER INTELLECTUAL PROPERTY RIGHTS NEEDED, IF ANY. THE SOFTWARE
  49. * IS NOT FAULT-TOLERANT AND IS NOT INTENDED FOR USE IN MISSION-CRITICAL
  50. * SYSTEMS, SUCH AS THOSE USED IN THE OPERATION OF NUCLEAR FACILITIES,
  51. * AIRCRAFT NAVIGATION OR COMMUNICATION SYSTEMS, AIR TRAFFIC CONTROL
  52. * SYSTEMS, DIRECT LIFE SUPPORT MACHINES, OR WEAPONS SYSTEMS, IN WHICH
  53. * THE FAILURE OF THE SOFTWARE OR SYSTEM COULD LEAD DIRECTLY TO DEATH,
  54. * PERSONAL INJURY, OR SEVERE PHYSICAL OR ENVIRONMENTAL DAMAGE ("HIGH
  55. * RISK ACTIVITIES"). THE COPYRIGHT HOLDERS SPECIFICALLY DISCLAIM ANY
  56. * EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR HIGH RISK ACTIVITIES.
  57. *
  58. * __END_OF_JASPER_LICENSE__
  59. */
  60. /******************************************************************************\
  61. * Includes.
  62. \******************************************************************************/
  63. #include <stdarg.h>
  64. #include <stdio.h>
  65. #include "jasper/jas_types.h"
  66. #include "jasper/jas_debug.h"
  67. /******************************************************************************\
  68. * Local data.
  69. \******************************************************************************/
  70. static int jas_dbglevel = 0;
  71. /* The debug level. */
  72. /******************************************************************************\
  73. * Code for getting/setting the debug level.
  74. \******************************************************************************/
  75. /* Set the library debug level. */
  76. int jas_setdbglevel(int dbglevel)
  77. {
  78. int olddbglevel;
  79. /* Save the old debug level. */
  80. olddbglevel = jas_dbglevel;
  81. /* Change the debug level. */
  82. jas_dbglevel = dbglevel;
  83. /* Return the old debug level. */
  84. return olddbglevel;
  85. }
  86. /* Get the library debug level. */
  87. int jas_getdbglevel()
  88. {
  89. return jas_dbglevel;
  90. }
  91. /******************************************************************************\
  92. * Code.
  93. \******************************************************************************/
  94. /* Perform formatted output to standard error. */
  95. int jas_eprintf(const char *fmt, ...)
  96. {
  97. int ret;
  98. va_list ap;
  99. va_start(ap, fmt);
  100. ret = vfprintf(stderr, fmt, ap);
  101. va_end(ap);
  102. return ret;
  103. }
  104. /* Dump memory to a stream. */
  105. int jas_memdump(FILE *out, void *data, size_t len)
  106. {
  107. size_t i;
  108. size_t j;
  109. uchar *dp;
  110. dp = data;
  111. for (i = 0; i < len; i += 16) {
  112. fprintf(out, "%04x:", (int)i);
  113. for (j = 0; j < 16; ++j) {
  114. if (i + j < len) {
  115. fprintf(out, " %02x", dp[i + j]);
  116. }
  117. }
  118. fprintf(out, "\n");
  119. }
  120. return 0;
  121. }