From 10d27139e296d8b660ac7e451b4d528ea5f9ce66 Mon Sep 17 00:00:00 2001
From: Christoph Berg <myon@debian.org>
Date: Sat, 19 Mar 2016 17:52:28 +0100
Subject: [PATCH] Support 9.5 and recognize more flags

This follows the CRC32 macro renames in 9.5 (we do not attempt to
maintain support for the older versions), adds support for the
DB_SHUTDOWNED_IN_RECOVERY dbState, and adds support for missing BTree
and GIN page flags.

Satoshi Nagayasu
---
 Makefile      |  4 ++--
 pg_filedump.c | 19 ++++++++++++++-----
 pg_filedump.h |  4 ++--
 3 files changed, 18 insertions(+), 9 deletions(-)

diff --git a/Makefile b/Makefile
index 675e68c..6e8a48c 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 # View README.pg_filedump first
 
 # note this must match version macros in pg_filedump.h
-FD_VERSION=9.3.0
+FD_VERSION=9.5.0
 
 CC=gcc
 CFLAGS=-g -O -Wall -Wmissing-prototypes -Wmissing-declarations
@@ -19,7 +19,7 @@ DISTFILES= README.pg_filedump Makefile Makefile.contrib \
 all: pg_filedump
 
 pg_filedump: pg_filedump.o
-	${CC} ${CFLAGS} -o pg_filedump pg_filedump.o
+	${CC} ${CFLAGS} -o pg_filedump pg_filedump.o -lpgport
 
 pg_filedump.o: pg_filedump.c
 	${CC} ${CFLAGS} -I${PGSQL_INCLUDE_DIR} pg_filedump.c -c
diff --git a/pg_filedump.c b/pg_filedump.c
index 3f770bc..2179103 100644
--- a/pg_filedump.c
+++ b/pg_filedump.c
@@ -24,7 +24,7 @@
 
 #include "pg_filedump.h"
 
-#include "utils/pg_crc_tables.h"
+#include <utils/pg_crc.h>
 
 /*	checksum_impl.h uses Assert, which doesn't work outside the server */
 #undef Assert
@@ -1132,6 +1132,8 @@ FormatSpecial()
 					strcat(flagString, "SPLITEND|");
 				if (btreeSection->btpo_flags & BTP_HAS_GARBAGE)
 					strcat(flagString, "HASGARBAGE|");
+				if (btreeSection->btpo_flags & BTP_INCOMPLETE_SPLIT)
+					strcat(flagString, "INCOMPLETESPLIT|");
 				if (strlen(flagString))
 					flagString[strlen(flagString) - 1] = '\0';
 
@@ -1216,6 +1218,10 @@ FormatSpecial()
 					strcat(flagString, "LIST|");
 				if (ginSection->flags & GIN_LIST_FULLROW)
 					strcat(flagString, "FULLROW|");
+				if (ginSection->flags & GIN_INCOMPLETE_SPLIT)
+					strcat(flagString, "INCOMPLETESPLIT|");
+				if (ginSection->flags & GIN_COMPRESSED)
+					strcat(flagString, "COMPRESSED|");
 				if (strlen(flagString))
 					flagString[strlen(flagString) - 1] = '\0';
 				printf(" GIN Index Section:\n"
@@ -1340,9 +1346,9 @@ FormatControl()
 		char	   *dbState;
 
 		/* Compute a local copy of the CRC to verify the one on disk */
-		INIT_CRC32(crcLocal);
-		COMP_CRC32(crcLocal, buffer, offsetof(ControlFileData, crc));
-		FIN_CRC32(crcLocal);
+		INIT_CRC32C(crcLocal);
+		COMP_CRC32C(crcLocal, buffer, offsetof(ControlFileData, crc));
+		FIN_CRC32C(crcLocal);
 
 		/* Grab a readable version of the database state */
 		switch (controlData->state)
@@ -1353,6 +1359,9 @@ FormatControl()
 			case DB_SHUTDOWNED:
 				dbState = "SHUTDOWNED";
 				break;
+			case DB_SHUTDOWNED_IN_RECOVERY:
+				dbState = "SHUTDOWNED_IN_RECOVERY";
+				break;
 			case DB_SHUTDOWNING:
 				dbState = "SHUTDOWNING";
 				break;
@@ -1400,7 +1409,7 @@ FormatControl()
 			   "           Maximum Index Keys: %u\n"
 			   "             TOAST Chunk Size: %u\n"
 			   "   Date and Time Type Storage: %s\n\n",
-			   EQ_CRC32(crcLocal,
+			   EQ_CRC32C(crcLocal,
 						controlData->crc) ? "Correct" : "Not Correct",
 			   controlData->pg_control_version,
 			   (controlData->pg_control_version == PG_CONTROL_VERSION ?
diff --git a/pg_filedump.h b/pg_filedump.h
index 3477a78..6979ce0 100644
--- a/pg_filedump.h
+++ b/pg_filedump.h
@@ -22,8 +22,8 @@
  * Original Author: Patrick Macdonald <patrickm@redhat.com>
  */
 
-#define FD_VERSION	"9.4.0"		/* version ID of pg_filedump */
-#define FD_PG_VERSION	"PostgreSQL 9.4.x"		/* PG version it works with */
+#define FD_VERSION	"9.5.0"		/* version ID of pg_filedump */
+#define FD_PG_VERSION	"PostgreSQL 9.5.x"		/* PG version it works with */
 
 #include "postgres.h"