1
0

err.c 3.4 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130
  1. /* $Id: err.c 767 2004-10-06 12:48:49Z aturner $ */
  2. /*
  3. * err.c
  4. *
  5. * Adapted from OpenBSD libc *err* *warn* code.
  6. *
  7. * Copyright (c) 2001-2004 Aaron Turner.
  8. *
  9. * Copyright (c) 2000 Dug Song <dugsong@monkey.org>
  10. *
  11. * Copyright (c) 1993
  12. * The Regents of the University of California. All rights reserved.
  13. *
  14. * Redistribution and use in source and binary forms, with or without
  15. * modification, are permitted provided that the following conditions
  16. * are met:
  17. * 1. Redistributions of source code must retain the above copyright
  18. * notice, this list of conditions and the following disclaimer.
  19. * 2. Redistributions in binary form must reproduce the above copyright
  20. * notice, this list of conditions and the following disclaimer in the
  21. * documentation and/or other materials provided with the distribution.
  22. * 3. All advertising materials mentioning features or use of this software
  23. * must display the following acknowledgement:
  24. * This product includes software developed by the University of
  25. * California, Berkeley and its contributors.
  26. * 4. Neither the name of the University nor the names of its contributors
  27. * may be used to endorse or promote products derived from this software
  28. * without specific prior written permission.
  29. *
  30. * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  31. * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  32. * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  33. * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  34. * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  35. * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  36. * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  37. * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  38. * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  39. * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  40. * SUCH DAMAGE.
  41. */
  42. #include <stdio.h>
  43. #include <stdlib.h>
  44. #include <stdarg.h>
  45. #include <string.h>
  46. #include <errno.h>
  47. #include "config.h"
  48. #ifdef DEBUG
  49. extern int debug;
  50. #endif
  51. void
  52. dbg(int dbg_level, const char *fmt, ...)
  53. {
  54. #ifdef DEBUG
  55. va_list ap;
  56. if (debug < dbg_level)
  57. return;
  58. fprintf(stderr, "DEBUG%d: ", dbg_level);
  59. va_start(ap, fmt);
  60. if (fmt != NULL)
  61. (void)vfprintf(stderr, fmt, ap);
  62. (void)fprintf(stderr, "\n");
  63. va_end(ap);
  64. fflush(NULL);
  65. #else
  66. return;
  67. #endif
  68. }
  69. void
  70. err(int eval, const char *fmt, ...)
  71. {
  72. va_list ap;
  73. va_start(ap, fmt);
  74. if (fmt != NULL) {
  75. (void)vfprintf(stderr, fmt, ap);
  76. (void)fprintf(stderr, ": ");
  77. }
  78. va_end(ap);
  79. (void)fprintf(stderr, "%s\n", strerror(errno));
  80. exit(eval);
  81. }
  82. void
  83. warn(const char *fmt, ...)
  84. {
  85. va_list ap;
  86. va_start(ap, fmt);
  87. if (fmt != NULL) {
  88. (void)vfprintf(stderr, fmt, ap);
  89. (void)fprintf(stderr, ": ");
  90. }
  91. va_end(ap);
  92. (void)fprintf(stderr, "%s\n", strerror(errno));
  93. }
  94. void
  95. errx(int eval, const char *fmt, ...)
  96. {
  97. va_list ap;
  98. va_start(ap, fmt);
  99. if (fmt != NULL)
  100. (void)vfprintf(stderr, fmt, ap);
  101. (void)fprintf(stderr, "\n");
  102. va_end(ap);
  103. exit(eval);
  104. }
  105. void
  106. warnx(const char *fmt, ...)
  107. {
  108. va_list ap;
  109. va_start(ap, fmt);
  110. if (fmt != NULL)
  111. (void)vfprintf(stderr, fmt, ap);
  112. (void)fprintf(stderr, "\n");
  113. va_end(ap);
  114. }