linux-hardening - [PATCH -next v2] lib/string_choices: Add str_true_false()/str_false

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Message-ID: <20240824070950.2014859-1-lihongbo22@huawei.com>
Date: Sat, 24 Aug 2024 15:09:50 +0800
From: Hongbo Li <lihongbo22@...wei.com>
To: <kees@...nel.org>, <andy@...nel.org>, <gregkh@...uxfoundation.org>
CC: <lihongbo22@...wei.com>, <linux-hardening@...r.kernel.org>
Subject: [PATCH -next v2] lib/string_choices: Add str_true_false()/str_false_true() helper

Add str_true_false()/str_false_true() helper to return "true" or
"false" string literal.

Signed-off-by: Hongbo Li <lihongbo22@...wei.com>

---
v2:
  - Squash into a single patch as Andy Shevchenko' suggesstion.

v1:
  - https://lore.kernel.org/all/1deb2bc4-0cd1-41a0-9434-65c02eef77ed@huawei.com/T/
---
 include/linux/string_choices.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/include/linux/string_choices.h b/include/linux/string_choices.h
index 1320bcdcb89c..ebcc56b28ede 100644
--- a/include/linux/string_choices.h
+++ b/include/linux/string_choices.h
@@ -48,6 +48,12 @@ static inline const char *str_up_down(bool v)
 }
 #define str_down_up(v)		str_up_down(!(v))
 
+static inline const char *str_true_false(bool v)
+{
+	return v ? "true" : "false";
+}
+#define str_false_true(v)		str_true_false(!(v))
+
 /**
  * str_plural - Return the simple pluralization based on English counts
  * @num: Number used for deciding pluralization
-- 
2.34.1