Re: -Wformat-overflow handling for %b and %B directives in C2X standard

[Jeff Law via Gcc-patches]

On 9/1/22 03:41, Даниил Александрович Фролов via Gcc-patches wrote:

Subject:
Re: -Wformat-overflow handling for %b and %B directives in C2X standard
From:
Даниил Александрович Фролов via Gcc-patches <gcc-patches@gcc.gnu.org>
Date:
9/1/22, 03:41

To:
Marek Polacek <pola...@redhat.com>
CC:
"gcc-patches@gcc.gnu.org" <gcc-patches@gcc.gnu.org>


 From eb9e8241d99145020ec5c050c918c1ad3abc2701 Mon Sep 17 00:00:00 2001
From: Frolov Daniil<frolov...@phystech.edu>
Date: Thu, 1 Sep 2022 10:55:01 +0300
Subject: [PATCH] Support %b, %B for -Wformat-overflow (sprintf, snprintf)

gcc/ChangeLog:

        * gimple-ssa-sprintf.cc (fmtresult::type_max_digits): Handle
        base == 2.
        (tree_digits): Likewise.
        (format_integer): Likewise.
        (parse_directive): Add cases for %b and %B directives.

gcc/testsuite/ChangeLog:

        * gcc.dg/Wformat-overflow1.c: New test.

Thanks.  I've pushed this to the trunk.

Jeff