sys/lib/libsa/ether_sprintf.c

http://www.minix3.org/ · C · 73 lines · 25 code · 6 blank · 42 comment · 1 complexity · 6c75ee10fe2e58924a3cda56c5082a4d MD5 · raw file 

    

  1. /*	$NetBSD: ether_sprintf.c,v 1.6 2007/11/24 13:20:55 isaki Exp $	*/
    2. 

  2. 

  3. /*
    4. 

  4.  * Copyright (c) 1992 Regents of the University of California.
    5. 

  5.  * All rights reserved.
    6. 

  6.  *
    7. 

  7.  * This software was developed by the Computer Systems Engineering group
    8. 

  8.  * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
    9. 

  9.  * contributed to Berkeley.
    10. 

  10.  *
    11. 

  11.  * Redistribution and use in source and binary forms, with or without
    12. 

  12.  * modification, are permitted provided that the following conditions
    13. 

  13.  * are met:
    14. 

  14.  * 1. Redistributions of source code must retain the above copyright
    15. 

  15.  *    notice, this list of conditions and the following disclaimer.
    16. 

  16.  * 2. Redistributions in binary form must reproduce the above copyright
    17. 

  17.  *    notice, this list of conditions and the following disclaimer in the
    18. 

  18.  *    documentation and/or other materials provided with the distribution.
    19. 

  19.  * 3. All advertising materials mentioning features or use of this software
    20. 

  20.  *    must display the following acknowledgement:
    21. 

  21.  *	This product includes software developed by the University of
    22. 

  22.  *	California, Lawrence Berkeley Laboratory and its contributors.
    23. 

  23.  * 4. Neither the name of the University nor the names of its contributors
    24. 

  24.  *    may be used to endorse or promote products derived from this software
    25. 

  25.  *    without specific prior written permission.
    26. 

  26.  *
    27. 

  27.  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
    28. 

  28.  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
    29. 

  29.  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
    30. 

  30.  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
    31. 

  31.  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
    32. 

  32.  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
    33. 

  33.  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
    34. 

  34.  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
    35. 

  35.  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
    36. 

  36.  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
    37. 

  37.  * SUCH DAMAGE.
    38. 

  38.  *
    39. 

  39.  * @(#) Header: net.c,v 1.9 93/08/06 19:32:15 leres Exp  (LBL)
    40. 

  40.  */
    41. 

  41. 

  42. #include <sys/param.h>
    43. 

  43. #include <sys/socket.h>
    44. 

  44. #ifdef _STANDALONE
    45. 

  45. #include <lib/libkern/libkern.h>
    46. 

  46. #else
    47. 

  47. #include <string.h>
    48. 

  48. #endif
    49. 

  49. 

  50. #include <netinet/in.h>
    51. 

  51. #include <netinet/in_systm.h>
    52. 

  52. 

  53. #include "stand.h"
    54. 

  54. #include "net.h"
    55. 

  55. 

  56. /*
    57. 

  57.  * Convert Ethernet address to printable (loggable) representation.
    58. 

  58.  */
    59. 

  59. char *
    60. 

  60. ether_sprintf(const u_char *ap)
    61. 

  61. {
    62. 

  62. 	int i;
    63. 

  63. 	static char etherbuf[18];
    64. 

  64. 	char *cp = etherbuf;
    65. 

  65. 

  66. 	for (i = 0; i < 6; i++) {
    67. 

  67. 		*cp++ = hexdigits[*ap >> 4];
    68. 

  68. 		*cp++ = hexdigits[*ap++ & 0xf];
    69. 

  69. 		*cp++ = ':';
    70. 

  70. 	}
    71. 

  71. 	*--cp = 0;
    72. 

  72. 	return etherbuf;
    73. 

  73. }
    74.