From 6becbff5724d79cb3a958db297b5c3310200daea Mon Sep 17 00:00:00 2001
From: Marvin Borner
Date: Thu, 23 Jul 2020 21:06:44 +0200
Subject: Added *very* simple ide and ext2 support

---
 src/lib/str.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

(limited to 'src/lib/str.c')

diff --git a/src/lib/str.c b/src/lib/str.c
index 24f95e5..d1ee325 100644
--- a/src/lib/str.c
+++ b/src/lib/str.c
@@ -40,6 +40,22 @@ int strcmp(const char *s1, const char *s2)
 	return d;
 }
 
+int strncmp(const char *s1, const char *s2, u32 n)
+{
+	const u8 *c1 = (const u8 *)s1;
+	const u8 *c2 = (const u8 *)s2;
+	u8 ch;
+	int d = 0;
+
+	while (n--) {
+		d = (int)(ch = *c1++) - (int)*c2++;
+		if (d || !ch)
+			break;
+	}
+
+	return d;
+}
+
 char *strchr(const char *s, int c)
 {
 	while (*s != (char)c) {
-- 
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