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freebsd/contrib/ntp/libntp/numtoa.c
Cy Schubert 2b15cb3d09 MFV ntp 4.2.8p1 (r258945, r275970, r276091, r276092, r276093, r278284)
Thanks to roberto for providing pointers to wedge this into HEAD.

Approved by:	roberto
2015-03-30 13:30:15 +00:00

60 lines
963 B
C

/*
* numtoa - return asciized network numbers store in local array space
*/
#include <config.h>
#include <sys/types.h>
#ifdef HAVE_NETINET_IN_H
#include <netinet/in.h> /* ntohl */
#endif
#include <stdio.h>
#include "ntp_fp.h"
#include "lib_strbuf.h"
#include "ntp_stdlib.h"
char *
numtoa(
u_int32 num
)
{
register u_int32 netnum;
register char *buf;
netnum = ntohl(num);
LIB_GETBUF(buf);
snprintf(buf, LIB_BUFLENGTH, "%lu.%lu.%lu.%lu",
((u_long)netnum >> 24) & 0xff,
((u_long)netnum >> 16) & 0xff,
((u_long)netnum >> 8) & 0xff,
(u_long)netnum & 0xff);
return buf;
}
/* Convert a refid & stratum to a string */
const char *
refid_str(
u_int32 refid,
int stratum
)
{
char * text;
size_t tlen;
if (stratum > 1)
return numtoa(refid);
LIB_GETBUF(text);
text[0] = '.';
memcpy(&text[1], &refid, sizeof(refid));
text[1 + sizeof(refid)] = '\0';
tlen = strlen(text);
text[tlen] = '.';
text[tlen + 1] = '\0';
return text;
}