log.c 1.7 KB

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  1. /*
  2. * Copyright 2004 Damien Miller <djm@mindrot.org> All rights reserved.
  3. *
  4. * Redistribution and use in source and binary forms, with or without
  5. * modification, are permitted provided that the following conditions
  6. * are met:
  7. * 1. Redistributions of source code must retain the above copyright
  8. * notice, this list of conditions and the following disclaimer.
  9. * 2. Redistributions in binary form must reproduce the above copyright
  10. * notice, this list of conditions and the following disclaimer in the
  11. * documentation and/or other materials provided with the distribution.
  12. *
  13. * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  14. * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  15. * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  16. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  17. * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  18. * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  19. * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  20. * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  21. * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  22. * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  23. */
  24. #include "common.h"
  25. #include "log.h"
  26. #include <stdarg.h>
  27. static int logstderr = 0;
  28. void
  29. loginit(const char *ident, int to_stderr)
  30. {
  31. if (to_stderr)
  32. logstderr = 1;
  33. else
  34. openlog(PROGNAME, LOG_PID|LOG_NDELAY, LOG_DAEMON);
  35. }
  36. void
  37. logit(int level, const char *fmt,...)
  38. {
  39. va_list args;
  40. va_start(args, fmt);
  41. if (logstderr) {
  42. vfprintf(stderr, fmt, args);
  43. fputs("\n", stderr);
  44. } else
  45. vsyslog(level, fmt, args);
  46. va_end(args);
  47. }