From 594ec829e372558ef5617bd508149468d9432acd Mon Sep 17 00:00:00 2001
From: Nate <37554478+servusdei2018@users.noreply.github.com>
Date: Sun, 8 Aug 2021 00:34:07 -0400
Subject: tests(unicode_lint.sh): create: lint source files in ./lib/ and
 ./programs/ for Unicode

---
 tests/unicode_lint.sh | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100644 tests/unicode_lint.sh

diff --git a/tests/unicode_lint.sh b/tests/unicode_lint.sh
new file mode 100644
index 0000000..08f8381
--- /dev/null
+++ b/tests/unicode_lint.sh
@@ -0,0 +1,35 @@
+#!/bin/bash
+
+# `unicode_lint.sh' determines whether source files under the ./lib/ and ./programs/ directories
+# contain Unicode characters, and fails if any do.
+#
+# See https://github.com/lz4/lz4/issues/1018
+
+pass=true
+
+# Scan ./lib/ for Unicode in source (*.c, *.h) files
+result=$(
+	find ./lib/ -regex '.*\.\(c\|h\)$' -exec grep -P -n "[^\x00-\x7F]" {} \; -exec echo "FAIL: {}" \;
+)
+if [[ $result ]]; then
+	echo "$result"
+	pass=false
+fi
+
+# Scan ./programs/ for Unicode in source (*.c, *.h) files
+result=$(
+	find ./programs/ -regex '.*\.\(c\|h\)$' -exec grep -P -n "[^\x00-\x7F]" {} \; -exec echo "{}: FAIL" \;
+)
+if [[ $result ]]; then
+	echo "$result"
+	pass=false
+fi
+
+if [ "$pass" = true ]; then
+	echo "All tests successful."
+	echo "Result: PASS"
+	exit 0
+else
+	echo "Result: FAIL"
+	exit 1
+fi
-- 
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