dist/ntp/libntp/socktoa.c

   1 /*      $NetBSD: socktoa.c,v 1.3 2006/03/18 12:40:48 kardel Exp $       */
   2
   3 /*
   4  * socktoa - return a numeric host name from a sockaddr_storage structure
   5  */
   6
   7 #include <config.h>
   8
   9 #include <sys/types.h>
  10 #include <sys/socket.h>
  11 #include <netinet/in.h>
  12
  13 #include <arpa/inet.h>
  14
  15 #ifdef ISC_PLATFORM_NEEDNTOP
  16 #include <isc/net.h>
  17 #endif
  18
  19 #include <stdio.h>
  20
  21 #include "ntp_fp.h"
  22 #include "lib_strbuf.h"
  23 #include "ntp_stdlib.h"
  24 #include "ntp.h"
  25
  26 char *
  27 socktoa(
  28         struct sockaddr_storage* sock
  29         )
  30 {
  31         register char *buffer;
  32
  33         LIB_GETBUF(buffer);
  34
  35         if (sock == NULL)
  36                 strcpy(buffer, "null");
  37         else
  38         {
  39
  40                 switch(sock->ss_family) {
  41
  42                 default:
  43                 case AF_INET :
  44                         inet_ntop(AF_INET, &GET_INADDR(*sock), buffer,
  45                             LIB_BUFLENGTH);
  46                         break;
  47
  48                 case AF_INET6 :
  49                         inet_ntop(AF_INET6, &GET_INADDR6(*sock), buffer,
  50                             LIB_BUFLENGTH);
  51 #if 0
  52                 default:
  53                         strcpy(buffer, "unknown");
  54 #endif
  55                 }
  56         }
  57         return buffer;
  58 }