freebsd-nq/libntp/numtoa.c
Ollivier Robert 2b45e011ca Virgin import of ntpd 4.2.6p5.
When the series of commits is complete, things like
https://cert.litnet.lt/en/docs/ntp-distributed-reflection-dos-attacks
should be fixed.

PR:		bin/148836 (except that we import a newer version)
Asked by:	Too many
MFC after:	2 weeks
2013-12-04 21:33:17 +00:00

34 lines
594 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;
}