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authorBruce Momjian2013-09-11 00:18:53 +0000
committerBruce Momjian2013-09-11 00:18:53 +0000
commit0f59f4a645ec92e580baa4c8feb9f285a8279a15 (patch)
tree980440b54f9acf6054557dfb743f74f578527d04
parentd8a5608d4ac9d4b74772980666cc6626bd18c3ff (diff)
Add comment for VARSIZE_ANY_EXHDR macro
Gurjeet Singh
-rw-r--r--src/include/postgres.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/include/postgres.h b/src/include/postgres.h
index cb9d196c51..3c5acdba8b 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 : \