linux-hardening - [PATCH v2 04/10] lib/string_choices: Add str_input

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Message-ID: <87plixpmpi.wl-kuninori.morimoto.gx@renesas.com>
Date: Tue, 4 Mar 2025 02:13:29 +0000
From: Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>
To: Andy Shevchenko <andy@...nel.org>, Kees Cook <kees@...nel.org>,
	<linux-hardening@...r.kernel.org>, Andy Shevchenko <andy@...nel.org>, Kees
 Cook <kees@...nel.org>, <linux-hardening@...r.kernel.org>
Subject: [PATCH v2 04/10] lib/string_choices: Add str_input_output() helper

Add str_input_output() helper to return "input" or "output" string
literal.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>
---
 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 96b54874dc3a..cc7c771f4e84 100644
--- a/include/linux/string_choices.h
+++ b/include/linux/string_choices.h
@@ -89,6 +89,12 @@ static inline const char *str_in_out(bool v)
 }
 #define str_out_in(v)		str_in_out(!(v))
 
+static inline const char *str_input_output(bool v)
+{
+	return v ? "input" : "output";
+}
+#define str_output_input(v)	str_input_output(!(v))
+
 /**
  * str_plural - Return the simple pluralization based on English counts
  * @num: Number used for deciding pluralization
-- 
2.43.0