From: | Bruce Momjian <bruce(at)momjian(dot)us> |
---|---|
To: | Gurjeet Singh <gurjeet(at)singh(dot)im> |
Cc: | PGSQL Hackers <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: One-line comment to improve understanding of VARSIZE_ANY_EXHDR macro |
Date: | 2013-09-11 00:18:59 |
Message-ID: | 20130911001859.GL16378@momjian.us |
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Thread: | |
Lists: | pgsql-hackers |
Applied.
---------------------------------------------------------------------------
On Tue, Feb 19, 2013 at 06:40:07PM -0500, Gurjeet Singh wrote:
> Hopefully I am not wrong.
>
>
> +/* Size of a varlena data, excluding header */
> #define VARSIZE_ANY_EXHDR(PTR) \
>
>
> --
> Gurjeet Singh
>
> http://gurjeet.singh.im/
>
> EnterprsieDB Inc.
> diff --git a/src/include/postgres.h b/src/include/postgres.h
> index f9c5527..5f8ada6 100644
> --- a/src/include/postgres.h
> +++ b/src/include/postgres.h
> @@ -267,6 +267,7 @@ 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_1B_E(PTR)-VARHDRSZ_EXTERNAL : \
> (VARATT_IS_1B(PTR) ? VARSIZE_1B(PTR)-VARHDRSZ_SHORT : \
>
> --
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--
Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
EnterpriseDB http://enterprisedb.com
+ It's impossible for everything to be true. +
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