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Groups > comp.lang.c > #14149

Re: sequence points and printf()

From Willem <willem@toad.stack.nl>
Newsgroups comp.lang.c
Subject Re: sequence points and printf()
Date 2011-12-01 11:59 +0000
Organization Stack Usenet News Service
Message-ID <slrnjder0i.qjf.willem@toad.stack.nl> (permalink)
References <4ed7195d$0$294$14726298@news.sunsite.dk>

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arnuld wrote:
) OBJECTIVE: To know why its UB
...
)   printf("%d %d %d\n",d, d+=c>='0'&& c<='9', c++);
...
) comma operator defined a sequence point and I see comma is present 
) between printf() arguments but I am not sure if this "comma" is called as 
) "comma operator" ?

This "comma" is definitely not called as "comma operator".

HTH, HAND.


SaSW, Willem
-- 
Disclaimer: I am in no way responsible for any of the statements
            made in the above text. For all I know I might be
            drugged or something..
            No I'm not paranoid. You all think I'm paranoid, don't you !
#EOT

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Thread

sequence points and printf() arnuld <sunrise@invalid.address> - 2011-12-01 06:06 +0000
  Re: sequence points and printf() pacman@kosh.dhis.org (Alan Curry) - 2011-12-01 06:13 +0000
  Re: sequence points and printf() Martin Ambuhl <mambuhl@earthlink.net> - 2011-12-01 02:19 -0500
    Re: sequence points and printf() Keith Thompson <kst-u@mib.org> - 2011-12-01 06:55 -0800
      Re: sequence points and printf() pete <pfiland@mindspring.com> - 2011-12-01 11:01 -0500
  Re: sequence points and printf() "BartC" <bc@freeuk.com> - 2011-12-01 11:18 +0000
    Re: sequence points and printf() Keith Thompson <kst-u@mib.org> - 2011-12-01 07:03 -0800
    Re: sequence points and printf() Phil Carmody <thefatphil_demunged@yahoo.co.uk> - 2011-12-01 17:04 +0200
    Re: sequence points and printf() lawrence.jones@siemens.com - 2011-12-01 09:59 -0500
      Re: sequence points and printf() Eric Sosman <esosman@ieee-dot-org.invalid> - 2011-12-01 20:48 -0500
    Re: sequence points and printf() Seebs <usenet-nospam@seebs.net> - 2011-12-01 20:08 +0000
  Re: sequence points and printf() Willem <willem@toad.stack.nl> - 2011-12-01 11:59 +0000
  Re: sequence points and printf() Seebs <usenet-nospam@seebs.net> - 2011-12-01 20:08 +0000
  Re: sequence points and printf() August Karlstrom <fusionfile@gmail.com> - 2011-12-01 23:17 +0100
    Re: sequence points and printf() Keith Thompson <kst-u@mib.org> - 2011-12-01 14:35 -0800
    Re: sequence points and printf() Kaz Kylheku <kaz@kylheku.com> - 2011-12-01 23:02 +0000
    Re: sequence points and printf() James Kuyper <jameskuyper@verizon.net> - 2011-12-01 20:13 -0500
      Re: sequence points and printf() Kaz Kylheku <kaz@kylheku.com> - 2011-12-02 02:09 +0000
        Re: sequence points and printf() August Karlstrom <fusionfile@gmail.com> - 2011-12-03 17:23 +0100
  Re: sequence points and printf() Vincenzo Mercuri <vincenzo.mercuri@hotmail.it> - 2011-12-09 18:33 +0100

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