linux-hardening - [PATCH -next v2 1/2] lib/string_choices: Introduce several opposite string choice helpers

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Message-ID: <20240905092540.2962122-2-lihongbo22@huawei.com>
Date: Thu, 5 Sep 2024 17:25:39 +0800
From: Hongbo Li <lihongbo22@...wei.com>
To: <kees@...nel.org>, <andy@...nel.org>
CC: <linux-hardening@...r.kernel.org>, <lihongbo22@...wei.com>,
	<chris.zjh@...wei.com>
Subject: [PATCH -next v2 1/2] lib/string_choices: Introduce several opposite string choice helpers

Similar to the exists helper: str_enable_disable/
str_enabled_disabled/str_on_off/str_yes_no helpers, we can
add the opposite helpers. That's str_disable_enable,
str_disabled_enabled, str_off_on and str_no_yes.

There are more than 10 cases currently (expect
str_disable_enable now has 3 use cases) exist in the code
can be replaced with these helper.

Signed-off-by: Hongbo Li <lihongbo22@...wei.com>
---
 include/linux/string_choices.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/include/linux/string_choices.h b/include/linux/string_choices.h
index f3670dbd1169..c2134eeda1fd 100644
--- a/include/linux/string_choices.h
+++ b/include/linux/string_choices.h
@@ -8,11 +8,13 @@ static inline const char *str_enable_disable(bool v)
 {
 	return v ? "enable" : "disable";
 }
+#define str_disable_enable(v)		str_enable_disable(!(v))
 
 static inline const char *str_enabled_disabled(bool v)
 {
 	return v ? "enabled" : "disabled";
 }
+#define str_disabled_enabled(v)		str_enabled_disabled(!(v))
 
 static inline const char *str_hi_lo(bool v)
 {
@@ -36,11 +38,13 @@ static inline const char *str_on_off(bool v)
 {
 	return v ? "on" : "off";
 }
+#define str_off_on(v)		str_on_off(!(v))
 
 static inline const char *str_yes_no(bool v)
 {
 	return v ? "yes" : "no";
 }
+#define str_no_yes(v)		str_yes_no(!(v))
 
 static inline const char *str_true_false(bool v)
 {
-- 
2.34.1