[PATCH] sparse: Allow override of sizeof(bool) warning

Joe Perches
2014-02-27T02:03:44Z

Allow an override to emit or not the sizeof(bool) warning

Signed-off-by: Joe Perches <joe@perches.com>
---
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