From: Bruce Momjian <bruce@momjian.us>
Date: Wed, 11 Sep 2013 00:18:53 +0000 (-0400)
Subject: Add comment for VARSIZE_ANY_EXHDR macro
X-Git-Tag: REL9_4_BETA1~1153
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=0f59f4a645ec92e580baa4c8feb9f285a8279a15;p=thirdparty%2Fpostgresql.git

Add comment for VARSIZE_ANY_EXHDR macro

Gurjeet Singh
---

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 : \