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From: "Joseph S. Myers" <jsm28@cam.ac.uk>
To: nobody@gcc.gnu.org
Cc: gcc-prs@gcc.gnu.org,
Subject: Re: c/6547: misleading printf '$' format
Date: Fri, 03 May 2002 06:56:00 -0000	[thread overview]
Message-ID: <20020503135601.32156.qmail@sources.redhat.com> (raw)

The following reply was made to PR c/6547; it has been noted by GNATS.

From: "Joseph S. Myers" <jsm28@cam.ac.uk>
To: <peio@blutch.dyndns.org>
Cc: <gcc-gnats@gcc.gnu.org>,  <prpetit@canal-plus.com>, 
     <gcc-bugs@gcc.gnu.org>
Subject: Re: c/6547: misleading printf '$' format
Date: Fri, 3 May 2002 14:47:23 +0100 (BST)

 On 3 May 2002 peio@blutch.dyndns.org wrote:
 
 > With both v2.95 and 3.0, there is a warning on "%.*1$s":
 > "warning: unknown conversion type character '1' in format"
 > >How-To-Repeat:
 > #include <stdio.h>
 > 
 > int main (int argc, char *argv[]) {
 >   printf("%.*s == %2$.*1$s\n", argc, *argv);
 
 You can't mix $ and non-$ formats in one format string; see the Single
 Unix Specification.  Once a non-$ format is detected, $ operand numbers
 are no longer checked for.  Note that "%." can only be the start of a
 non-$ format.
 
 -- 
 Joseph S. Myers
 jsm28@cam.ac.uk
 


             reply	other threads:[~2002-05-03 13:56 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-05-03  6:56 Joseph S. Myers [this message]
  -- strict thread matches above, loose matches on Subject: below --
2002-08-23 13:16 jsm28
2002-05-03 13:26 Joseph S. Myers
2002-05-03  7:26 Pierre-Canalsat PETIT
2002-05-03  6:06 peio

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