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Re: c++/9367: [3.3/3.4 regression] error: nonnull argument withextern "C" snprintf prototype
- From: "Joseph S. Myers" <jsm28 at cam dot ac dot uk>
- To: Janis Johnson <janis187 at us dot ibm dot com>
- Cc: <levon at movementarian dot org>, <gcc-gnats at gcc dot gnu dot org>, <gcc-bugs at gcc dot gnu dot org>
- Date: Mon, 24 Feb 2003 17:43:51 +0000 (GMT)
- Subject: Re: c++/9367: [3.3/3.4 regression] error: nonnull argument withextern "C" snprintf prototype
On Mon, 24 Feb 2003, Janis Johnson wrote:
> The regression showed up with this patch:
>
> 2002-05-23 Jason Thorpe <thorpej at wasabisystems dot com>
>
> * builtin-attrs.def: Update copyright years.
> (ATTR_NONNULL): New attribute identifier.
> (ATTR_NONNULL_1, ATTR_NONNULL_2, ATTR_NONNULL_3): New
> attribute tree lists.
> (DEF_FORMAT_ATTRIBUTE): Chain a nonnull attribute for the
> format operand.
> (ATTR_FORMAT_ARG_1, ATTR_FORMAT_ARG_2): Use...
> (DEF_FORMAT_ARG_ATTRIBUTE): ...this to generate format_arg
> attribute lists. Chain the appropriate nonnull attribute.
> * c-format.c (check_format_arg): Remove null format string
> warning.
And note my comment when this problem was mentioned on the gcc list about
where to look for a fix.
http://gcc.gnu.org/ml/gcc/2003-01/msg00882.html
--
Joseph S. Myers
jsm28 at cam dot ac dot uk