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[FreeBSD/FreeBSD.git] / contrib / ntp / libntp / socktohost.c
1 /*
2  * socktoa - return a numeric host name from a sockaddr_storage structure
3  */
4 #include <sys/types.h>
5 #include <sys/socket.h>
6 #include <netdb.h>
7 #include <netinet/in.h>
8
9 #include <arpa/inet.h>
10
11 #include <stdio.h>
12
13 #include "ntp_fp.h"
14 #include "lib_strbuf.h"
15 #include "ntp_stdlib.h"
16 #include "ntp.h"
17
18
19 char *
20 socktohost(
21         struct sockaddr_storage* sock
22         )
23 {
24         register char *buffer;
25
26         LIB_GETBUF(buffer);
27         if (getnameinfo((struct sockaddr *)sock, SOCKLEN(sock), buffer,
28             LIB_BUFLENGTH /* NI_MAXHOST*/, NULL, 0, 0))
29                 return stoa(sock);
30
31         return buffer;
32 }