From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 20:49:45 +0200
Subject: Adding upstream version 6.1.76.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 tools/testing/selftests/kselftest/prefix.pl | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100755 tools/testing/selftests/kselftest/prefix.pl

(limited to 'tools/testing/selftests/kselftest/prefix.pl')

diff --git a/tools/testing/selftests/kselftest/prefix.pl b/tools/testing/selftests/kselftest/prefix.pl
new file mode 100755
index 000000000..12a7f4ca2
--- /dev/null
+++ b/tools/testing/selftests/kselftest/prefix.pl
@@ -0,0 +1,24 @@
+#!/usr/bin/env perl
+# SPDX-License-Identifier: GPL-2.0
+# Prefix all lines with "# ", unbuffered. Command being piped in may need
+# to have unbuffering forced with "stdbuf -i0 -o0 -e0 $cmd".
+use strict;
+use IO::Handle;
+
+binmode STDIN;
+binmode STDOUT;
+
+STDOUT->autoflush(1);
+
+my $needed = 1;
+while (1) {
+	my $char;
+	my $bytes = sysread(STDIN, $char, 1);
+	exit 0 if ($bytes == 0);
+	if ($needed) {
+		print "# ";
+		$needed = 0;
+	}
+	print $char;
+	$needed = 1 if ($char eq "\n");
+}
-- 
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