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Commitf804212

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committed
INET fix from D'Arcy.
1 parent30d5e18 commitf804212

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1 file changed

+32
-29
lines changed

1 file changed

+32
-29
lines changed

‎src/backend/utils/adt/inet.c

Lines changed: 32 additions & 29 deletions
Original file line numberDiff line numberDiff line change
@@ -3,7 +3,7 @@
33
*is for IP V4 CIDR notation, but prepared for V6: just
44
*add the necessary bits where the comments indicate.
55
*
6-
*$Id: inet.c,v 1.6 1998/10/20 23:03:19 momjian Exp $
6+
*$Id: inet.c,v 1.7 1998/10/21 02:48:22 momjian Exp $
77
*/
88

99
#include<sys/types.h>
@@ -57,9 +57,7 @@ inet_in(char *src)
5757
}
5858
/* First, try for an IP V4 address: */
5959
ip_family(dst)=AF_INET;
60-
#ifdefBAD
61-
bits=inet_net_pton(ip_family(dst),src,&ip_v4addr(dst),ip_addrsize(dst),NULL);
62-
#endif
60+
bits=inet_net_pton(ip_family(dst),src,&ip_v4addr(dst),ip_addrsize(dst));
6361
if ((bits<0)|| (bits>32))
6462
{
6563
/* Go for an IPV6 address here, before faulting out: */
@@ -87,14 +85,12 @@ inet_out(inet *src)
8785
if (ip_family(src)==AF_INET)
8886
{
8987
/* It's an IP V4 address: */
90-
#ifdefBAD
91-
if (inet_net_ntop(AF_INET,&ip_v4addr(src),4,ip_bits(src),
88+
if (inet_net_ntop(AF_INET,&ip_v4addr(src),ip_bits(src),
9289
tmp,sizeof(tmp))<0)
9390
{
9491
elog(ERROR,"unable to print address (%s)",strerror(errno));
9592
return (NULL);
9693
}
97-
#endif
9894
}
9995
else
10096
{
@@ -272,38 +268,41 @@ inet_cmp(inet *a1, inet *a2)
272268
text*
273269
inet_netmask(inet*ip)
274270
{
275-
char*dst,
271+
text*ret;
272+
intlen;
273+
char*ptr,
276274
tmp[sizeof("255.255.255.255/32")];
277275

278276
if (ip_family(ip)==AF_INET)
279277
{
280278
/* It's an IP V4 address: */
281-
intaddr=-1 << (32-ip_bits(ip));
279+
intaddr=htonl((-1 << (32-ip_bits(ip)))&0xffffffff);
282280

283281
/* a little wasteful by why reinvent the wheel? */
284-
#ifdefBAD
285-
if (inet_cidr_ntop(AF_INET,&addr,4,-1,tmp,sizeof(tmp))<0)
282+
if (inet_net_ntop(AF_INET,&addr,32,tmp,sizeof(tmp))<0)
286283
{
287284
elog(ERROR,"unable to print netmask (%s)",strerror(errno));
288285
return (NULL);
289286
}
290-
#endif
291287
}
292288
else
293289
{
294290
/* Go for an IPV6 address here, before faulting out: */
295291
elog(ERROR,"unknown address family (%d)",ip_family(ip));
296292
return (NULL);
297293
}
298-
dst=palloc(strlen(tmp)+1);
299-
if (dst==NULL)
294+
if ((ptr=strchr(tmp,'/'))!=NULL)
295+
*ptr=0;
296+
len=VARHDRSZ+strlen(tmp);
297+
ret=palloc(len);
298+
if (ret==NULL)
300299
{
301300
elog(ERROR,"unable to allocate memory in inet_netmask()");
302301
return (NULL);
303302
}
304-
strcpy(dst,tmp);
305-
return (dst);
306-
303+
VARSIZE(ret)=len;
304+
strcpy(VARDATA(ret),tmp);
305+
return (ret);
307306
}
308307

309308
int4
@@ -315,37 +314,41 @@ inet_masklen(inet *ip)
315314
text*
316315
inet_broadcast(inet*ip)
317316
{
318-
char*dst,
319-
tmp[sizeof("255.255.255.255/32")];
317+
text*ret;
318+
intlen;
319+
char*ptr,
320+
tmp[sizeof("255.255.255.255/32")]="Hello";
320321

321322
if (ip_family(ip)==AF_INET)
322323
{
323324
/* It's an IP V4 address: */
324-
intaddr=ip_v4addr(ip) |~(-1 << (32-ip_bits(ip)));
325-
#ifdefBAD
325+
intaddr=htonl(ntohl(ip_v4addr(ip)) |(0xffffffff >>ip_bits(ip)));
326+
/* int addr = htonl(ip_v4addr(ip) | (0xffffffff >> ip_bits(ip))); */
326327

327-
if (inet_cidr_ntop(AF_INET,&addr,4,ip_bits(ip),tmp,sizeof(tmp))<0)
328+
if (inet_net_ntop(AF_INET,&addr,32,tmp,sizeof(tmp))<0)
328329
{
329330
elog(ERROR,"unable to print address (%s)",strerror(errno));
330331
return (NULL);
331332
}
332-
#endif
333333
}
334334
else
335335
{
336336
/* Go for an IPV6 address here, before faulting out: */
337337
elog(ERROR,"unknown address family (%d)",ip_family(ip));
338338
return (NULL);
339339
}
340-
dst=palloc(strlen(tmp)+1);
341-
if (dst==NULL)
340+
if ((ptr=strchr(tmp,'/'))!=NULL)
341+
*ptr=0;
342+
len=VARHDRSZ+strlen(tmp);
343+
ret=palloc(len);
344+
if (ret==NULL)
342345
{
343-
elog(ERROR,"unable to allocate memory ininet_out()");
346+
elog(ERROR,"unable to allocate memory ininet_broadcast()");
344347
return (NULL);
345348
}
346-
strcpy(dst,tmp);
347-
return (dst);
348-
349+
VARSIZE(ret)=len;
350+
strcpy(VARDATA(ret),tmp);
351+
return (ret);
349352
}
350353

351354
/*

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