datalinks.c 2.4 KB

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  1. /*
  2. * Copyright (c) 1993, 1994, 1995, 1996, 1997, 1998
  3. * The Regents of the University of California. 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. * 2. Redistributions in binary form must reproduce the above copyright
  11. * notice, this list of conditions and the following disclaimer in the
  12. * documentation and/or other materials provided with the distribution.
  13. * 3. All advertising materials mentioning features or use of this software
  14. * must display the following acknowledgement:
  15. * This product includes software developed by the Computer Systems
  16. * Engineering Group at Lawrence Berkeley Laboratory.
  17. * 4. Neither the name of the University nor of the Laboratory may be used
  18. * to endorse or promote products derived from this software without
  19. * specific prior written permission.
  20. *
  21. * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  22. * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23. * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24. * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  25. * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  26. * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  27. * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  28. * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29. * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  30. * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31. * SUCH DAMAGE.
  32. */
  33. #ifdef HAVE_CONFIG_H
  34. #include "config.h"
  35. #endif
  36. #include <netdissect-stdinc.h>
  37. #include <pcap.h>
  38. #include <stdlib.h>
  39. #include <stdio.h>
  40. #include "pcap-missing.h"
  41. /*
  42. * Stub versions for platforms that don't support them.
  43. */
  44. int
  45. pcap_list_datalinks(pcap_t *p, int **dlt_buffer)
  46. {
  47. /*
  48. * This platform doesn't support changing the DLT for an
  49. * interface. Return a list of DLTs containing only the
  50. * DLT this device supports.
  51. */
  52. *dlt_buffer = (int*)malloc(sizeof(**dlt_buffer));
  53. if (*dlt_buffer == NULL)
  54. return (-1);
  55. **dlt_buffer = pcap_datalink(p);
  56. return (1);
  57. }