inet_ntoa.c 1.8 KB

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  1. /*-
  2. * Copyright 1994, 1995 Massachusetts Institute of Technology
  3. *
  4. * Permission to use, copy, modify, and distribute this software and
  5. * its documentation for any purpose and without fee is hereby
  6. * granted, provided that both the above copyright notice and this
  7. * permission notice appear in all copies, that both the above
  8. * copyright notice and this permission notice appear in all
  9. * supporting documentation, and that the name of M.I.T. not be used
  10. * in advertising or publicity pertaining to distribution of the
  11. * software without specific, written prior permission. M.I.T. makes
  12. * no representations about the suitability of this software for any
  13. * purpose. It is provided "as is" without express or implied
  14. * warranty.
  15. *
  16. * THIS SOFTWARE IS PROVIDED BY M.I.T. ``AS IS''. M.I.T. DISCLAIMS
  17. * ALL EXPRESS OR IMPLIED WARRANTIES WITH REGARD TO THIS SOFTWARE,
  18. * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  19. * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT
  20. * SHALL M.I.T. BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  21. * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  22. * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
  23. * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  24. * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  25. * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
  26. * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  27. * SUCH DAMAGE.
  28. */
  29. #include <sys/cdefs.h>
  30. __FBSDID("$FreeBSD$");
  31. #include <sys/param.h>
  32. #include <sys/systm.h>
  33. #include <netinet/in.h>
  34. char *
  35. inet_ntoa_r(struct in_addr ina, char *buf)
  36. {
  37. unsigned char *ucp = (unsigned char *)&ina;
  38. sprintf(buf, "%d.%d.%d.%d",
  39. ucp[0] & 0xff,
  40. ucp[1] & 0xff,
  41. ucp[2] & 0xff,
  42. ucp[3] & 0xff);
  43. return buf;
  44. }