From: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
To: linux-sparse@vger.kernel.org
Cc: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
Subject: [PATCH 5/9] div0: add warning option -Wdiv-by-zero
Date: Wed, 31 May 2017 05:22:03 +0200 [thread overview]
Message-ID: <20170531032207.95830-6-luc.vanoostenryck@gmail.com> (raw)
In-Reply-To: <20170531032207.95830-1-luc.vanoostenryck@gmail.com>
Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
---
lib.c | 2 ++
lib.h | 1 +
2 files changed, 3 insertions(+)
diff --git a/lib.c b/lib.c
index e1e6a1cbf..af2ad83a2 100644
--- a/lib.c
+++ b/lib.c
@@ -225,6 +225,7 @@ int Wdecl = 1;
int Wdeclarationafterstatement = -1;
int Wdefault_bitfield_sign = 0;
int Wdesignated_init = 1;
+int Wdiv_by_zero = 1;
int Wdo_while = 0;
int Winit_cstring = 0;
int Wenum_mismatch = 1;
@@ -502,6 +503,7 @@ static const struct warning {
{ "declaration-after-statement", &Wdeclarationafterstatement },
{ "default-bitfield-sign", &Wdefault_bitfield_sign },
{ "designated-init", &Wdesignated_init },
+ { "div-by-zero", &Wdiv_by_zero },
{ "do-while", &Wdo_while },
{ "enum-mismatch", &Wenum_mismatch },
{ "sparse-error", &Wsparse_error },
diff --git a/lib.h b/lib.h
index 2c8529f93..820e69476 100644
--- a/lib.h
+++ b/lib.h
@@ -112,6 +112,7 @@ extern int Wdecl;
extern int Wdeclarationafterstatement;
extern int Wdefault_bitfield_sign;
extern int Wdesignated_init;
+extern int Wdiv_by_zero;
extern int Wdo_while;
extern int Wenum_mismatch;
extern int Wsparse_error;
--
2.13.0
next prev parent reply other threads:[~2017-05-31 3:22 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-31 3:21 [PATCH 0/9] division by zero warnings Luc Van Oostenryck
2017-05-31 3:21 ` [PATCH 1/9] add is_pseudo_value() Luc Van Oostenryck
2017-05-31 3:22 ` [PATCH 2/9] add a .warned field to struct instruction Luc Van Oostenryck
2017-05-31 3:22 ` [PATCH 3/9] div0: warn on integer divide by 0 also when the lhs is not constant Luc Van Oostenryck
2017-05-31 3:22 ` [PATCH 4/9] div0: warn on division by zero - general case Luc Van Oostenryck
2017-05-31 3:22 ` Luc Van Oostenryck [this message]
2017-05-31 3:22 ` [PATCH 6/9] div0: use -Wdiv-by-zero Luc Van Oostenryck
2017-05-31 3:22 ` [PATCH 7/9] div0: warn also during simplification Luc Van Oostenryck
2017-05-31 3:22 ` [PATCH 8/9] div0: warn on float divide by 0 also when the lhs is not constant Luc Van Oostenryck
2017-05-31 3:22 ` [PATCH 9/9] div0: add missing tests for floating point div by zero Luc Van Oostenryck
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