From mboxrd@z Thu Jan 1 00:00:00 1970 From: Joe Perches Subject: [PATCH] sparse: Allow override of sizeof(bool) warning Date: Wed, 26 Feb 2014 18:03:39 -0800 Message-ID: <1393466619.24588.65.camel@joe-AO722> References: <530E6F76.1070605@zytor.com> <1393462087.24588.50.camel@joe-AO722> <530E8C2E.7080307@zytor.com> Mime-Version: 1.0 Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <530E8C2E.7080307@zytor.com> Sender: linux-kernel-owner@vger.kernel.org To: "H. Peter Anvin" , linux-sparse@vger.kernel.org Cc: Linux Kernel Mailing List List-Id: linux-sparse@vger.kernel.org Allow an override to emit or not the sizeof(bool) warning Signed-off-by: Joe Perches --- evaluate.c | 3 ++- lib.c | 2 ++ lib.h | 1 + 3 files changed, 5 insertions(+), 1 deletion(-) diff --git a/evaluate.c b/evaluate.c index 6655615..a45f59b 100644 --- a/evaluate.c +++ b/evaluate.c @@ -2057,7 +2057,8 @@ static struct symbol *evaluate_sizeof(struct expression *expr) } if (size == 1 && is_bool_type(type)) { - warning(expr->pos, "expression using sizeof bool"); + if (Wsizeof_bool) + warning(expr->pos, "expression using sizeof bool"); size = bits_in_char; } diff --git a/lib.c b/lib.c index bf3e91c..676b72e 100644 --- a/lib.c +++ b/lib.c @@ -225,6 +225,7 @@ int Wone_bit_signed_bitfield = 1; int Wparen_string = 0; int Wptr_subtraction_blows = 0; int Wreturn_void = 0; +int Wsizeof_bool = 1; int Wshadow = 0; int Wtransparent_union = 0; int Wtypesign = 0; @@ -437,6 +438,7 @@ static const struct warning { { "paren-string", &Wparen_string }, { "ptr-subtraction-blows", &Wptr_subtraction_blows }, { "return-void", &Wreturn_void }, + { "sizeof-bool", &Wsizeof_bool }, { "shadow", &Wshadow }, { "transparent-union", &Wtransparent_union }, { "typesign", &Wtypesign }, diff --git a/lib.h b/lib.h index f09b338..7e3432f 100644 --- a/lib.h +++ b/lib.h @@ -119,6 +119,7 @@ extern int Wone_bit_signed_bitfield; extern int Wparen_string; extern int Wptr_subtraction_blows; extern int Wreturn_void; +extern int Wsizeof_bool; extern int Wshadow; extern int Wtransparent_union; extern int Wtypesign; -- 1.8.1.2.459.gbcd45b4.dirty