[postgis-devel] early return from force_collection

[strk at refractions.net]

----- Forwarded message from Tom Lane <tgl at sss.pgh.pa.us> -----

Date: Mon, 23 Aug 2004 15:20:09 -0400
From: Tom Lane <tgl at sss.pgh.pa.us>
Subject: Re: [HACKERS] returning modified input from C functions 
To: strk <strk at keybit.net>
cc: pgsql-hackers at postgresql.org

strk <strk at keybit.net> writes:
> Is returning a pointer to the input safe in every case ?

You mean for returning *unmodified* input, don't you?

Yes, that's safe.  Scribbling on input values is definitely never safe.

			regards, tom lane

----- End forwarded message -----