From a73018392636ce832b09b5c31f6ad1f18a4643ea Mon Sep 17 00:00:00 2001
From: Alvaro Herrera <alvherre@alvh.no-ip.org>
Date: Thu, 21 Feb 2013 22:46:17 -0300
Subject: Move relpath() to libpgcommon

This enables non-backend code, such as pg_xlogdump, to use it easily.
The previous location, in src/backend/catalog/catalog.c, made that
essentially impossible because that file depends on many backend-only
facilities; so this needs to live separately.
---
 src/include/catalog/catalog.h | 20 --------------------
 src/include/common/relpath.h  | 41 +++++++++++++++++++++++++++++++++++++++++
 2 files changed, 41 insertions(+), 20 deletions(-)
 create mode 100644 src/include/common/relpath.h

(limited to 'src/include')

diff --git a/src/include/catalog/catalog.h b/src/include/catalog/catalog.h
index 5d506fe78b1..44b6f387436 100644
--- a/src/include/catalog/catalog.h
+++ b/src/include/catalog/catalog.h
@@ -14,34 +14,14 @@
 #ifndef CATALOG_H
 #define CATALOG_H
 
-/*
- *	'pgrminclude ignore' needed here because CppAsString2() does not throw
- *	an error if the symbol is not defined.
- */
-#include "catalog/catversion.h" /* pgrminclude ignore */
 #include "catalog/pg_class.h"
 #include "storage/relfilenode.h"
 #include "utils/relcache.h"
 
-#define OIDCHARS		10		/* max chars printed by %u */
-#define TABLESPACE_VERSION_DIRECTORY	"PG_" PG_MAJORVERSION "_" \
-									CppAsString2(CATALOG_VERSION_NO)
-
-extern const char *forkNames[];
 extern ForkNumber forkname_to_number(char *forkName);
-extern int	forkname_chars(const char *str, ForkNumber *);
 
-extern char *relpathbackend(RelFileNode rnode, BackendId backend,
-			   ForkNumber forknum);
 extern char *GetDatabasePath(Oid dbNode, Oid spcNode);
 
-/* First argument is a RelFileNodeBackend */
-#define relpath(rnode, forknum) \
-		relpathbackend((rnode).node, (rnode).backend, (forknum))
-
-/* First argument is a RelFileNode */
-#define relpathperm(rnode, forknum) \
-		relpathbackend((rnode), InvalidBackendId, (forknum))
 
 extern bool IsSystemRelation(Relation relation);
 extern bool IsToastRelation(Relation relation);
diff --git a/src/include/common/relpath.h b/src/include/common/relpath.h
new file mode 100644
index 00000000000..5b28bd03619
--- /dev/null
+++ b/src/include/common/relpath.h
@@ -0,0 +1,41 @@
+/*-------------------------------------------------------------------------
+ *
+ * relpath.h
+ * 		Declarations for relpath() and friends
+ *
+ * Portions Copyright (c) 1996-2013, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1994, Regents of the University of California
+ *
+ * src/include/common/relpath.h
+ *
+ *-------------------------------------------------------------------------
+ */
+#ifndef RELPATH_H
+#define RELPATH_H
+
+/*
+ *	'pgrminclude ignore' needed here because CppAsString2() does not throw
+ *	an error if the symbol is not defined.
+ */
+#include "catalog/catversion.h" /* pgrminclude ignore */
+#include "storage/relfilenode.h"
+
+
+#define OIDCHARS		10		/* max chars printed by %u */
+#define TABLESPACE_VERSION_DIRECTORY	"PG_" PG_MAJORVERSION "_" \
+									CppAsString2(CATALOG_VERSION_NO)
+
+extern const char *forkNames[];
+extern int	forkname_chars(const char *str, ForkNumber *fork);
+extern char *relpathbackend(RelFileNode rnode, BackendId backend,
+			   ForkNumber forknum);
+
+/* First argument is a RelFileNodeBackend */
+#define relpath(rnode, forknum) \
+		relpathbackend((rnode).node, (rnode).backend, (forknum))
+
+/* First argument is a RelFileNode */
+#define relpathperm(rnode, forknum) \
+		relpathbackend((rnode), InvalidBackendId, (forknum))
+
+#endif		/* RELPATH_H */
-- 
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