BUG #6343: PGTYPES library missing qualifiers

From: kojiro(at)hello-channel(dot)com
To: pgsql-bugs(at)postgresql(dot)org
Subject: BUG #6343: PGTYPES library missing qualifiers
Date: 2011-12-16 15:33:18
Message-ID: E1RbZmg-0007KG-4v@wrigleys.postgresql.org
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The following bug has been logged on the website:

Bug reference: 6343
Logged by: Daniel Loffgren
Email address: kojiro(at)hello-channel(dot)com
PostgreSQL version: 9.1.1
Operating system: NetBSD
Description:

In the ecpg PGTYPES library, there are functions like this:

extern int PGTYPEStimestamp_fmt_asc(timestamp *, char *, int, char *);

The last argument is the formatting string, yet isn't constant. This
generates warnings/errors on many compilers that are watching for discarding
of qualifiers when passing in string literals. It's a simple fix, although I
noticed that in PGTYPEStimestamp_defmt_asc the code is altering the
formatter if it is null, which prevents making the formatter const. However,
dttofmtasc_replace does not alter the formatter, and so should not pose a
problem for PGTYPEStimestamp_fmt_asc which passes straight to it.

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