freebsd-dev/libntp/numtoa.c
Cy Schubert b5e14a1344 Vendor import ntp 4.2.8.
Reviewed by:	roberto
Security:	VUXML: 4033d826-87dd-11e4-9079-3c970e169bc2
Security:	http://www.kb.cert.org/vuls/id/852879
Security:	CVE-2014-9293
Security	CVE-2014-9294
Security	CVE-2014-9295
Security	CVE-2014-9296
2014-12-20 22:52:39 +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;
}