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Commitfc8e6c7

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committed
Oops, commited a test version of this file by accident. Revert.
1 parent393f313 commitfc8e6c7

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2 files changed

+73
-59
lines changed

2 files changed

+73
-59
lines changed

‎src/backend/storage/buffer/bufmgr.c

Lines changed: 3 additions & 14 deletions
Original file line numberDiff line numberDiff line change
@@ -8,7 +8,7 @@
88
*
99
*
1010
* IDENTIFICATION
11-
* $Header: /cvsroot/pgsql/src/backend/storage/buffer/bufmgr.c,v 1.74 2000/02/21 18:47:03 tgl Exp $
11+
* $Header: /cvsroot/pgsql/src/backend/storage/buffer/bufmgr.c,v 1.75 2000/02/21 18:49:00 tgl Exp $
1212
*
1313
*-------------------------------------------------------------------------
1414
*/
@@ -453,7 +453,6 @@ BufferAlloc(Relation reln,
453453
*/
454454
Assert(buf->refcount==0);
455455
buf->refcount=1;
456-
Assert(PrivateRefCount[BufferDescriptorGetBuffer(buf)-1]==0);
457456
PrivateRefCount[BufferDescriptorGetBuffer(buf)-1]=1;
458457

459458
if (buf->flags&BM_DIRTY)
@@ -543,7 +542,6 @@ BufferAlloc(Relation reln,
543542
inProgress= FALSE;
544543
buf->flags &= ~BM_IO_IN_PROGRESS;
545544
TerminateBufferIO(buf);
546-
Assert(PrivateRefCount[BufferDescriptorGetBuffer(buf)-1]==1);
547545
PrivateRefCount[BufferDescriptorGetBuffer(buf)-1]=0;
548546
buf->refcount--;
549547
buf= (BufferDesc*)NULL;
@@ -570,7 +568,6 @@ BufferAlloc(Relation reln,
570568
{
571569
TerminateBufferIO(buf);
572570
/* give up the buffer since we don't need it any more */
573-
Assert(PrivateRefCount[BufferDescriptorGetBuffer(buf)-1]==1);
574571
PrivateRefCount[BufferDescriptorGetBuffer(buf)-1]=0;
575572
Assert(buf->refcount>0);
576573
buf->refcount--;
@@ -1472,16 +1469,8 @@ ReleaseRelationBuffers(Relation rel)
14721469
if (!(buf->flags&BM_FREE))
14731470
{
14741471
/* Assert checks that buffer will actually get freed! */
1475-
Assert(buf->refcount==1);
1476-
if (PrivateRefCount[i-1] <=0)
1477-
{
1478-
fprintf(stderr,"Nonpositive PrivateRefCount on buffer for %s\n",
1479-
RelationGetRelationName(rel));
1480-
fflush(stderr);
1481-
* ((char*)0)=0;
1482-
abort();
1483-
}
1484-
Assert(PrivateRefCount[i-1]==1);
1472+
Assert(PrivateRefCount[i-1]==1&&
1473+
buf->refcount==1);
14851474
/* ReleaseBuffer expects we do not hold the lock at entry */
14861475
SpinRelease(BufMgrLock);
14871476
holding= false;

‎src/backend/utils/adt/network.c

Lines changed: 70 additions & 45 deletions
Original file line numberDiff line numberDiff line change
@@ -3,23 +3,22 @@
33
*is for IP V4 CIDR notation, but prepared for V6: just
44
*add the necessary bits where the comments indicate.
55
*
6-
*$Header: /cvsroot/pgsql/src/backend/utils/adt/network.c,v 1.17 2000/02/21 18:47:07 tgl Exp $
7-
*
6+
*$Id: network.c,v 1.18 2000/02/21 18:49:54 tgl Exp $
87
*Jon Postel RIP 16 Oct 1998
98
*/
109

11-
#include"postgres.h"
12-
1310
#include<sys/types.h>
1411
#include<sys/socket.h>
12+
1513
#include<errno.h>
14+
1615
#include<netinet/in.h>
1716
#include<arpa/inet.h>
1817

18+
#include"postgres.h"
1919
#include"utils/builtins.h"
2020

21-
22-
staticintv4bitncmp(unsigned longa1,unsigned longa2,intbits);
21+
staticintv4bitncmp(unsignedinta1,unsignedinta2,intbits);
2322

2423
/*
2524
*Access macros.Add IPV6 support.
@@ -40,7 +39,6 @@ static intv4bitncmp(unsigned long a1, unsigned long a2, int bits);
4039
#defineip_v4addr(inetptr) \
4140
(((inet_struct *)VARDATA(inetptr))->addr.ipv4_addr)
4241

43-
4442
/* Common input routine */
4543
staticinet*
4644
network_in(char*src,inttype)
@@ -129,85 +127,92 @@ cidr_out(inet *src)
129127
}
130128

131129
/*
132-
*Boolean tests for ordering operators --- must agree with sorting
133-
*operator network_cmp().
130+
*Boolean tests for magnitude. Add V4/V6 testing!
134131
*/
135132

136133
bool
137134
network_lt(inet*a1,inet*a2)
138135
{
139136
if (!PointerIsValid(a1)|| !PointerIsValid(a2))
140137
return FALSE;
141-
return (bool) (network_cmp(a1,a2)<0);
138+
if ((ip_family(a1)==AF_INET)&& (ip_family(a2)==AF_INET))
139+
{
140+
intorder=v4bitncmp(ip_v4addr(a1),ip_v4addr(a2),ip_bits(a2));
141+
142+
return ((order<0)|| ((order==0)&& (ip_bits(a1)<ip_bits(a2))));
143+
}
144+
else
145+
{
146+
/* Go for an IPV6 address here, before faulting out: */
147+
elog(ERROR,"cannot compare address families %d and %d",
148+
ip_family(a1),ip_family(a2));
149+
return FALSE;
150+
}
142151
}
143152

144153
bool
145154
network_le(inet*a1,inet*a2)
146155
{
147156
if (!PointerIsValid(a1)|| !PointerIsValid(a2))
148157
return FALSE;
149-
return (bool) (network_cmp(a1,a2)<=0);
158+
return (network_lt(a1,a2)||network_eq(a1,a2));
150159
}
151160

152161
bool
153162
network_eq(inet*a1,inet*a2)
154163
{
155164
if (!PointerIsValid(a1)|| !PointerIsValid(a2))
156165
return FALSE;
157-
return (bool) (network_cmp(a1,a2)==0);
166+
if ((ip_family(a1)==AF_INET)&& (ip_family(a2)==AF_INET))
167+
{
168+
return ((ip_bits(a1)==ip_bits(a2))
169+
&& (v4bitncmp(ip_v4addr(a1),ip_v4addr(a2),ip_bits(a1))==0));
170+
}
171+
else
172+
{
173+
/* Go for an IPV6 address here, before faulting out: */
174+
elog(ERROR,"cannot compare address families %d and %d",
175+
ip_family(a1),ip_family(a2));
176+
return FALSE;
177+
}
158178
}
159179

160180
bool
161181
network_ge(inet*a1,inet*a2)
162182
{
163183
if (!PointerIsValid(a1)|| !PointerIsValid(a2))
164184
return FALSE;
165-
return (bool) (network_cmp(a1,a2)>=0);
185+
return (network_gt(a1,a2)||network_eq(a1,a2));
166186
}
167187

168188
bool
169189
network_gt(inet*a1,inet*a2)
170190
{
171191
if (!PointerIsValid(a1)|| !PointerIsValid(a2))
172192
return FALSE;
173-
return (bool) (network_cmp(a1,a2)>0);
174-
}
175-
176-
bool
177-
network_ne(inet*a1,inet*a2)
178-
{
179-
if (!PointerIsValid(a1)|| !PointerIsValid(a2))
180-
return FALSE;
181-
return (bool) (network_cmp(a1,a2)!=0);
182-
}
183-
184-
/*
185-
*Comparison function for sorting. Add V4/V6 testing!
186-
*/
187-
188-
int4
189-
network_cmp(inet*a1,inet*a2)
190-
{
191193
if ((ip_family(a1)==AF_INET)&& (ip_family(a2)==AF_INET))
192194
{
193-
intorder=v4bitncmp(ip_v4addr(a1),ip_v4addr(a2),
194-
(ip_bits(a1)<ip_bits(a2)) ?
195-
ip_bits(a1) :ip_bits(a2));
196-
197-
if (order)
198-
returnorder;
199-
/* They agree in the first N bits, so shorter one comes first */
200-
return (int)ip_bits(a1)- (int)ip_bits(a2);
195+
intorder=v4bitncmp(ip_v4addr(a1),ip_v4addr(a2),ip_bits(a2));
196+
197+
return ((order>0)|| ((order==0)&& (ip_bits(a1)>ip_bits(a2))));
201198
}
202199
else
203200
{
204201
/* Go for an IPV6 address here, before faulting out: */
205202
elog(ERROR,"cannot compare address families %d and %d",
206203
ip_family(a1),ip_family(a2));
207-
return0;
204+
returnFALSE;
208205
}
209206
}
210207

208+
bool
209+
network_ne(inet*a1,inet*a2)
210+
{
211+
if (!PointerIsValid(a1)|| !PointerIsValid(a2))
212+
return FALSE;
213+
return (!network_eq(a1,a2));
214+
}
215+
211216
bool
212217
network_sub(inet*a1,inet*a2)
213218
{
@@ -288,6 +293,28 @@ network_supeq(inet *a1, inet *a2)
288293
}
289294
}
290295

296+
/*
297+
*Comparison function for sorting. Add V4/V6 testing!
298+
*/
299+
300+
int4
301+
network_cmp(inet*a1,inet*a2)
302+
{
303+
if (ntohl(ip_v4addr(a1))<ntohl(ip_v4addr(a2)))
304+
return (-1);
305+
306+
if (ntohl(ip_v4addr(a1))>ntohl(ip_v4addr(a2)))
307+
return (1);
308+
309+
if (ip_bits(a1)<ip_bits(a2))
310+
return (-1);
311+
312+
if (ip_bits(a1)>ip_bits(a2))
313+
return (1);
314+
315+
return0;
316+
}
317+
291318
text*
292319
network_host(inet*ip)
293320
{
@@ -449,7 +476,7 @@ network_netmask(inet *ip)
449476
*/
450477

451478
staticint
452-
v4bitncmp(unsignedlonga1,unsignedlonga2,intbits)
479+
v4bitncmp(unsignedinta1,unsignedinta2,intbits)
453480
{
454481
unsigned longmask=0;
455482
inti;
@@ -458,11 +485,9 @@ v4bitncmp(unsigned long a1, unsigned long a2, int bits)
458485
mask= (mask >>1) |0x80000000;
459486
a1=ntohl(a1);
460487
a2=ntohl(a2);
461-
a1 &=mask;
462-
a2 &=mask;
463-
if (a1<a2)
488+
if ((a1&mask)< (a2&mask))
464489
return (-1);
465-
elseif (a1>a2)
490+
elseif ((a1&mask)> (a2&mask))
466491
return (1);
467492
return (0);
468493
}

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