linux-kernel - [PATCH v2 1/3] tools/nolibc/stdio: Implement vprintf()

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Message-Id: <20230405-kselftest-nolibc-v2-1-2ac2495814b5@kernel.org>
Date:   Thu, 06 Apr 2023 17:19:10 +0100
From:   Mark Brown <broonie@...nel.org>
To:     Shuah Khan <shuah@...nel.org>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>,
        "Paul E. McKenney" <paulmck@...nel.org>, Willy Tarreau <w@....eu>
Cc:     linux-arm-kernel@...ts.infradead.org,
        linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org,
        Mark Brown <broonie@...nel.org>
Subject: [PATCH v2 1/3] tools/nolibc/stdio: Implement vprintf()

vprintf() is equivalent to vfprintf() to stdout so implement it as a simple
wrapper for the existing vfprintf(), allowing us to build kselftest.h.

Suggested-by: Willy Tarreau <w@....eu>
Signed-off-by: Mark Brown <broonie@...nel.org>
---
 tools/include/nolibc/stdio.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/tools/include/nolibc/stdio.h b/tools/include/nolibc/stdio.h
index 96ac8afc5aee..6cbbb52836a0 100644
--- a/tools/include/nolibc/stdio.h
+++ b/tools/include/nolibc/stdio.h
@@ -273,6 +273,12 @@ int vfprintf(FILE *stream, const char *fmt, va_list args)
 	return written;
 }
 
+static __attribute__((unused))
+int vprintf(const char *fmt, va_list args)
+{
+	return vfprintf(stdout, fmt, args);
+}
+
 static __attribute__((unused, format(printf, 2, 3)))
 int fprintf(FILE *stream, const char *fmt, ...)
 {

-- 
2.30.2