Re: pg_dump return status.. - Mailing list pgsql-hackers

From Ian Lance Taylor
Subject Re: pg_dump return status..
Date
Msg-id sizoh5y6t6.fsf@daffy.airs.com
Whole thread Raw
In response to RE: [GENERAL] pg_dump return status..  (Matthew <matt@ctlno.com>)
Responses Re: pg_dump return status..  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-hackers
ncm@zembu.com (Nathan Myers) writes:

> An fprintf returning 0 is a suspicious event; it's easy to imagine 
> cases where it makes sense, but I don't think I have ever coded one.
> Probably >N (where N is the smallest reasonable output, defaulting 
> to 1) may be a better test in real code.

On older systems fprintf returns 0 on success and EOF on failure.

> As I recall, on SunOS 4 the printf()s don't return the number of 
> characters written.  I don't recall what they do instead, and have
> no access to such machines any more.

Probably 0/EOF.  sprintf on SunOS returns its first argument.

Ian


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