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* Re: ada/4601: printf() arg checking doesn't work with merged strings
@ 2001-10-17 21:16 Zack Weinberg
0 siblings, 0 replies; 2+ messages in thread
From: Zack Weinberg @ 2001-10-17 21:16 UTC (permalink / raw)
To: nobody; +Cc: gcc-prs
The following reply was made to PR ada/4601; it has been noted by GNATS.
From: Zack Weinberg <zack@codesourcery.com>
To: dgillies@graviton.com
Cc: gcc-gnats@gcc.gnu.org
Subject: Re: ada/4601: printf() arg checking doesn't work with merged strings
Date: Wed, 17 Oct 2001 21:09:35 -0700
On Thu, Oct 18, 2001 at 03:42:51AM -0000, dgillies@graviton.com wrote:
>
> >Number: 4601
> >Category: ada
Why on earth do you think this is a bug in the _Ada_ front end?
...
> compile with -Wformat :
>
> printf( "%02bx", 123);
> printf( "%02" "b" "x", 123 );
>
> line #1 above is a compile error.
> line #2 above is not a compile error.
> they are semantically exactly the same.
With 2.95.4-to-be, and 3.0:
test.c: In function `x':
test.c:4: warning: unknown conversion type character `b' in format
test.c:4: warning: too many arguments for format
test.c:5: warning: unknown conversion type character `b' in format
test.c:5: warning: too many arguments for format
zw
^ permalink raw reply [flat|nested] 2+ messages in thread
* ada/4601: printf() arg checking doesn't work with merged strings
@ 2001-10-17 20:46 dgillies
0 siblings, 0 replies; 2+ messages in thread
From: dgillies @ 2001-10-17 20:46 UTC (permalink / raw)
To: gcc-gnats
>Number: 4601
>Category: ada
>Synopsis: printf() arg checking doesn't work with merged strings
>Confidential: no
>Severity: serious
>Priority: medium
>Responsible: unassigned
>State: open
>Class: sw-bug
>Submitter-Id: net
>Arrival-Date: Wed Oct 17 20:46:01 PDT 2001
>Closed-Date:
>Last-Modified:
>Originator: dgillies@graviton.com <Donald W. Gillies>
>Release: unknown-1.0
>Organization:
>Environment:
gcc version 2.95.2 19991024 (release)
FreeBSD 4.2
>Description:
compile with -Wformat :
printf( "%02bx", 123);
printf( "%02" "b" "x", 123 );
line #1 above is a compile error.
line #2 above is not a compile error.
they are semantically exactly the same.
>How-To-Repeat:
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted:
^ permalink raw reply [flat|nested] 2+ messages in thread
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2001-10-17 21:16 ada/4601: printf() arg checking doesn't work with merged strings Zack Weinberg
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2001-10-17 20:46 dgillies
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