eui64.c 1.9 KB

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  1. /*
  2. * eui64.c - EUI64 routines for IPv6CP.
  3. *
  4. * Copyright (c) 1999 Tommi Komulainen. All rights reserved.
  5. *
  6. * Redistribution and use in source and binary forms, with or without
  7. * modification, are permitted provided that the following conditions
  8. * are met:
  9. *
  10. * 1. Redistributions of source code must retain the above copyright
  11. * notice, this list of conditions and the following disclaimer.
  12. *
  13. * 2. Redistributions in binary form must reproduce the above copyright
  14. * notice, this list of conditions and the following disclaimer in
  15. * the documentation and/or other materials provided with the
  16. * distribution.
  17. *
  18. * 3. The name(s) of the authors of this software must not be used to
  19. * endorse or promote products derived from this software without
  20. * prior written permission.
  21. *
  22. * 4. Redistributions of any form whatsoever must retain the following
  23. * acknowledgment:
  24. * "This product includes software developed by Tommi Komulainen
  25. * <Tommi.Komulainen@iki.fi>".
  26. *
  27. * THE AUTHORS OF THIS SOFTWARE DISCLAIM ALL WARRANTIES WITH REGARD TO
  28. * THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
  29. * AND FITNESS, IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
  30. * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  31. * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
  32. * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
  33. * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  34. *
  35. * $Id: eui64.c,v 1.6 2002/12/04 23:03:32 paulus Exp $
  36. */
  37. #define RCSID "$Id: eui64.c,v 1.6 2002/12/04 23:03:32 paulus Exp $"
  38. #include "pppd.h"
  39. static const char rcsid[] = RCSID;
  40. /*
  41. * eui64_ntoa - Make an ascii representation of an interface identifier
  42. */
  43. char *
  44. eui64_ntoa(e)
  45. eui64_t e;
  46. {
  47. static char buf[32];
  48. snprintf(buf, 32, "%02x%02x:%02x%02x:%02x%02x:%02x%02x",
  49. e.e8[0], e.e8[1], e.e8[2], e.e8[3],
  50. e.e8[4], e.e8[5], e.e8[6], e.e8[7]);
  51. return buf;
  52. }