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Remove support for version-0 FE/BE protocol, per pghackers discussion.

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This breaks support for 6.2 or older client libraries.
This commit is contained in:
Tom Lane
2002-08-29 03:22:01 +00:00
parent 8a24a55c81
commit 5241a6259f
6 changed files with 21 additions and 248 deletions
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47
src/backend/libpq/pqformat.c
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@@ -16,7 +16,7 @@
* Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: pqformat.c,v 1.22 2002/08/08 06:32:26 ishii Exp $
* $Id: pqformat.c,v 1.23 2002/08/29 03:22:01 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -57,41 +57,6 @@
#include <endian.h>
#endif
#ifndef BYTE_ORDER
#error BYTE_ORDER must be defined as LITTLE_ENDIAN, BIG_ENDIAN or PDP_ENDIAN
#endif
#if BYTE_ORDER == LITTLE_ENDIAN
#define ntoh_s(n) n
#define ntoh_l(n) n
#define hton_s(n) n
#define hton_l(n) n
#else
#if BYTE_ORDER == BIG_ENDIAN
#define ntoh_s(n) (uint16)((((uint16)n & 0x00ff) << 8) | \
(((uint16)n & 0xff00) >> 8))
#define ntoh_l(n) (uint32)((((uint32)n & 0x000000ff) << 24) | \
(((uint32)n & 0x0000ff00) << 8) | \
(((uint32)n & 0x00ff0000) >> 8) | \
(((uint32)n & 0xff000000) >> 24))
#define hton_s(n) (ntoh_s(n))
#define hton_l(n) (ntoh_l(n))
#else
#if BYTE_ORDER == PDP_ENDIAN
#error PDP_ENDIAN macros not written yet
#else
#error BYTE_ORDER not defined as anything understood
#endif
#endif
#endif
/* --------------------------------
* pq_sendbyte - append a raw byte to a StringInfo buffer
@@ -183,11 +148,11 @@ pq_sendint(StringInfo buf, int i, int b)
appendBinaryStringInfo(buf, (char *) &n8, 1);
break;
case 2:
n16 = ((PG_PROTOCOL_MAJOR(FrontendProtocol) == 0) ? hton_s(i) : htons((uint16) i));
n16 = htons((uint16) i);
appendBinaryStringInfo(buf, (char *) &n16, 2);
break;
case 4:
n32 = ((PG_PROTOCOL_MAJOR(FrontendProtocol) == 0) ? hton_l(i) : htonl((uint32) i));
n32 = htonl((uint32) i);
appendBinaryStringInfo(buf, (char *) &n32, 4);
break;
default:
@@ -261,13 +226,11 @@ pq_getint(int *result, int b)
break;
case 2:
status = pq_getbytes((char *) &n16, 2);
*result = (int) ((PG_PROTOCOL_MAJOR(FrontendProtocol) == 0) ?
ntoh_s(n16) : ntohs(n16));
*result = (int) (ntohs(n16));
break;
case 4:
status = pq_getbytes((char *) &n32, 4);
*result = (int) ((PG_PROTOCOL_MAJOR(FrontendProtocol) == 0) ?
ntoh_l(n32) : ntohl(n32));
*result = (int) (ntohl(n32));
break;
default: