numtoa.c revision 290001 
1/*
2 * numtoa - return asciized network numbers store in local array space
3 */
4#include <config.h>
5
6#include <sys/types.h>
7#ifdef HAVE_NETINET_IN_H
8#include <netinet/in.h>		/* ntohl */
9#endif
10
11#include <stdio.h>
12
13#include "ntp_fp.h"
14#include "lib_strbuf.h"
15#include "ntp_stdlib.h"
16
17char *
18numtoa(
19	u_int32 num
20	)
21{
22	register u_int32 netnum;
23	register char *buf;
24
25	netnum = ntohl(num);
26	LIB_GETBUF(buf);
27	snprintf(buf, LIB_BUFLENGTH, "%lu.%lu.%lu.%lu",
28		 ((u_long)netnum >> 24) & 0xff,
29		 ((u_long)netnum >> 16) & 0xff,
30		 ((u_long)netnum >> 8) & 0xff,
31		 (u_long)netnum & 0xff);
32	return buf;
33}
34
35
36/* Convert a refid & stratum to a string */
37const char *
38refid_str(
39	u_int32	refid,
40	int	stratum
41	)
42{
43	char *	text;
44	size_t	tlen;
45
46	if (stratum > 1)
47		return numtoa(refid);
48
49	LIB_GETBUF(text);
50	text[0] = '.';
51	memcpy(&text[1], &refid, sizeof(refid));
52	text[1 + sizeof(refid)] = '\0';
53	tlen = strlen(text);
54	text[tlen] = '.';
55	text[tlen + 1] = '\0';
56
57	return text;
58}
59
60