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kconfig: change some expr_*() functions to bool

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This clarifies the behavior of these functions.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
This commit is contained in:
Masahiro Yamada 2024-09-08 21:43:17 +09:00
parent a16219bdd3
commit d607e0e7a8
2 changed files with 11 additions and 10 deletions
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15
scripts/kconfig/expr.c
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@ -243,9 +243,10 @@ void expr_eliminate_eq(struct expr **ep1, struct expr **ep2)
* equals some operand in the other (operands do not need to appear in the same
* order), recursively.
*/
int expr_eq(struct expr *e1, struct expr *e2)
bool expr_eq(struct expr *e1, struct expr *e2)
{
int res, old_count;
int old_count;
bool res;
/*
* A NULL expr is taken to be yes, but there's also a different way to
@ -255,7 +256,7 @@ int expr_eq(struct expr *e1, struct expr *e2)
return expr_is_yes(e1) && expr_is_yes(e2);
if (e1->type != e2->type)
return 0;
return false;
switch (e1->type) {
case E_EQUAL:
case E_GEQ:
@ -292,7 +293,7 @@ int expr_eq(struct expr *e1, struct expr *e2)
printf(" ?\n");
}
return 0;
return false;
}
/*
@ -804,10 +805,10 @@ struct expr *expr_transform(struct expr *e)
return e;
}
int expr_contains_symbol(struct expr *dep, struct symbol *sym)
bool expr_contains_symbol(struct expr *dep, struct symbol *sym)
{
if (!dep)
return 0;
return false;
switch (dep->type) {
case E_AND:
@ -829,7 +830,7 @@ int expr_contains_symbol(struct expr *dep, struct symbol *sym)
default:
;
}
return 0;
return false;
}
bool expr_depends_symbol(struct expr *dep, struct symbol *sym)

6
scripts/kconfig/expr.h
View File

@ -278,11 +278,11 @@ struct expr *expr_alloc_or(struct expr *e1, struct expr *e2);
struct expr *expr_copy(const struct expr *org);
void expr_free(struct expr *e);
void expr_eliminate_eq(struct expr **ep1, struct expr **ep2);
int expr_eq(struct expr *e1, struct expr *e2);
bool expr_eq(struct expr *e1, struct expr *e2);
tristate expr_calc_value(struct expr *e);
struct expr *expr_eliminate_dups(struct expr *e);
struct expr *expr_transform(struct expr *e);
int expr_contains_symbol(struct expr *dep, struct symbol *sym);
bool expr_contains_symbol(struct expr *dep, struct symbol *sym);
bool expr_depends_symbol(struct expr *dep, struct symbol *sym);
struct expr *expr_trans_compare(struct expr *e, enum expr_type type, struct symbol *sym);
@ -292,7 +292,7 @@ void expr_gstr_print(const struct expr *e, struct gstr *gs);
void expr_gstr_print_revdep(struct expr *e, struct gstr *gs,
tristate pr_type, const char *title);
static inline int expr_is_yes(const struct expr *e)
static inline bool expr_is_yes(const struct expr *e)
{
return !e || (e->type == E_SYMBOL && e->left.sym == &symbol_yes);
}