Re: [HACKERS] [PATCH] Suppress Clang 3.9 warnings - Mailing list pgsql-hackers

From Noah Misch
Subject Re: [HACKERS] [PATCH] Suppress Clang 3.9 warnings
Date
Msg-id 20170316065520.GA1976012@tornado.leadboat.com
Whole thread Raw
In response to Re: [HACKERS] [PATCH] Suppress Clang 3.9 warnings  (Aleksander Alekseev <a.alekseev@postgrespro.ru>)
Responses Re: [HACKERS] [PATCH] Suppress Clang 3.9 warnings  (Tom Lane <tgl@sss.pgh.pa.us>)
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On Wed, Mar 15, 2017 at 12:04:11PM +0300, Aleksander Alekseev wrote:
> > This is wrong on platforms that do have strlcpy() in libc.
> 
> If it no too much trouble could you please explain what will happen
> on such platforms?

Both port.h and a system header will furnish a strlcpy() declaration.  The #if
you modified exists to avoid that, and your change would make it ineffective
for Clang.  This will have no symptoms, or it will elicit a warning.

> On what platform did you check it?

None.



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