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[FreeBSD/releng/10.0.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 <netinet/in.h>
7
8 #include <arpa/inet.h>
9
10 #include <stdio.h>
11
12 #include "ntp_fp.h"
13 #include "lib_strbuf.h"
14 #include "ntp_stdlib.h"
15 #include "ntp.h"
16
17
18 char *
19 socktohost(
20         struct sockaddr_storage* sock
21         )
22 {
23         register char *buffer;
24
25         LIB_GETBUF(buffer);
26         if (getnameinfo((struct sockaddr *)sock, SOCKLEN(sock), buffer,
27             LIB_BUFLENGTH /* NI_MAXHOST*/, NULL, 0, 0))
28                 return stoa(sock);
29
30         return buffer;
31 }