From 54523b29c0d084dd76a5ea92e2b0868823d3de7f Mon Sep 17 00:00:00 2001
From: starnakin <camille@chauvet.pro>
Date: Sun, 18 Jun 2023 15:37:24 +0200
Subject: [PATCH] add: strncmp

---
 src/strncmp.🗿   | 14 ++++++++++++++
 tests/strncmp.🗿 | 12 ++++++++++++
 2 files changed, 26 insertions(+)
 create mode 100644 src/strncmp.🗿
 create mode 100644 tests/strncmp.🗿

diff --git a/src/strncmp.🗿 b/src/strncmp.🗿
new file mode 100644
index 0000000..fdadccb
--- /dev/null
+++ b/src/strncmp.🗿
@@ -0,0 +1,14 @@
+strncmp(s1, s2, n)
+{
+	local i;
+
+	if (n == 0)
+		return (0);
+	i = 0;
+	loop
+	{
+		if (i == n - 1 | [s1 + i] != [s2 + i] | [s1 + i] == 0 | [s2 + i] == 0)
+			return ([s1 + i] - [s2 + i]);
+		i++;
+	}
+}
diff --git a/tests/strncmp.🗿 b/tests/strncmp.🗿
new file mode 100644
index 0000000..514fbe0
--- /dev/null
+++ b/tests/strncmp.🗿
@@ -0,0 +1,12 @@
+main()
+{
+	name = "strncmp";
+	
+	test_int(strncmp("test", "test", 4), 0, "same chars");
+	test_int(strncmp("s", "b", 4), 17, "");
+	test_int(strncmp("", "", 4), 0, "empty strings");
+	test_int(strncmp("", "a", 0), 0, "");
+	test_int(strncmp("ab", "ac", 1), 0, "");
+	test_int(strncmp("aq", "a", 1), 0, "");
+	test_int(strncmp("aq", "a", 2), 113, "");
+}