err.c 2.1 KB

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  1. /*-
  2. * Copyright (c) 2003-2007 Tim Kientzle
  3. * All rights reserved.
  4. *
  5. * Redistribution and use in source and binary forms, with or without
  6. * modification, are permitted provided that the following conditions
  7. * are met:
  8. * 1. Redistributions of source code must retain the above copyright
  9. * notice, this list of conditions and the following disclaimer
  10. * in this position and unchanged.
  11. * 2. Redistributions in binary form must reproduce the above copyright
  12. * notice, this list of conditions and the following disclaimer in the
  13. * documentation and/or other materials provided with the distribution.
  14. *
  15. * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
  16. * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  17. * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  18. * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
  19. * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  20. * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  21. * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  22. * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  23. * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  24. * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  25. */
  26. #include "lafe_platform.h"
  27. __FBSDID("$FreeBSD$");
  28. #ifdef HAVE_STDARG_H
  29. #include <stdarg.h>
  30. #endif
  31. #include <stdio.h>
  32. #ifdef HAVE_STDLIB_H
  33. #include <stdlib.h>
  34. #endif
  35. #ifdef HAVE_STRING_H
  36. #include <string.h>
  37. #endif
  38. #include "err.h"
  39. const char *lafe_progname;
  40. static void
  41. lafe_vwarnc(int code, const char *fmt, va_list ap)
  42. {
  43. fprintf(stderr, "%s: ", lafe_progname);
  44. vfprintf(stderr, fmt, ap);
  45. if (code != 0)
  46. fprintf(stderr, ": %s", strerror(code));
  47. fprintf(stderr, "\n");
  48. }
  49. void
  50. lafe_warnc(int code, const char *fmt, ...)
  51. {
  52. va_list ap;
  53. va_start(ap, fmt);
  54. lafe_vwarnc(code, fmt, ap);
  55. va_end(ap);
  56. }
  57. void
  58. lafe_errc(int eval, int code, const char *fmt, ...)
  59. {
  60. va_list ap;
  61. va_start(ap, fmt);
  62. lafe_vwarnc(code, fmt, ap);
  63. va_end(ap);
  64. exit(eval);
  65. }