linux-kernel - [PATCH v1 1/1] lib/vsprintf: Use isodigit() for the octal number check

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Date:   Mon, 27 Mar 2023 17:27:21 +0300
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Petr Mladek <pmladek@...e.com>, linux-kernel@...r.kernel.org
Cc:     Steven Rostedt <rostedt@...dmis.org>,
        Sergey Senozhatsky <senozhatsky@...omium.org>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Rasmus Villemoes <linux@...musvillemoes.dk>
Subject: [PATCH v1 1/1] lib/vsprintf: Use isodigit() for the octal number check

Use isodigit() to test the octal number instead of homegrown approach.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
 lib/vsprintf.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/vsprintf.c b/lib/vsprintf.c
index fbe320b5e89f..40f560959b16 100644
--- a/lib/vsprintf.c
+++ b/lib/vsprintf.c
@@ -3642,7 +3642,7 @@ int vsscanf(const char *buf, const char *fmt, va_list args)
 		if (!digit
 		    || (base == 16 && !isxdigit(digit))
 		    || (base == 10 && !isdigit(digit))
-		    || (base == 8 && (!isdigit(digit) || digit > '7'))
+		    || (base == 8 && !isodigit(digit))
 		    || (base == 0 && !isdigit(digit)))
 			break;
 
-- 
2.40.0.1.gaa8946217a0b