contrib/ntp/libntp/socktoa.c

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