From 0f59f4a645ec92e580baa4c8feb9f285a8279a15 Mon Sep 17 00:00:00 2001
From: Bruce Momjian <bruce@momjian.us>
Date: Tue, 10 Sep 2013 20:18:53 -0400
Subject: [PATCH] Add comment for VARSIZE_ANY_EXHDR macro

Gurjeet Singh
---
 src/include/postgres.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/include/postgres.h b/src/include/postgres.h
index cb9d196c519..3c5acdba8b7 100644
--- a/src/include/postgres.h
+++ b/src/include/postgres.h
@@ -307,6 +307,7 @@ typedef struct
 	 (VARATT_IS_1B(PTR) ? VARSIZE_1B(PTR) : \
 	  VARSIZE_4B(PTR)))
 
+/* Size of a varlena data, excluding header */
 #define VARSIZE_ANY_EXHDR(PTR) \
 	(VARATT_IS_1B_E(PTR) ? VARSIZE_EXTERNAL(PTR)-VARHDRSZ_EXTERNAL : \
 	 (VARATT_IS_1B(PTR) ? VARSIZE_1B(PTR)-VARHDRSZ_SHORT : \
-- 
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