xref: /freebsd/contrib/ntp/libntp/socktoa.c (revision 9a0c3479e22feda1bdb2db4b97f9deb1b5fa6269)
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 }
57