From 704e219c6cfb4ad15149136989a7c3634900f9c0 Mon Sep 17 00:00:00 2001
From: Arnau478 <arnauxabia@gmail.com>
Date: Sun, 19 Jun 2022 19:53:41 +0200
Subject: [PATCH] Implemented strcmp()

---
 src/kernel/lib/string.c | 5 +++++
 src/kernel/lib/string.h | 1 +
 2 files changed, 6 insertions(+)

diff --git a/src/kernel/lib/string.c b/src/kernel/lib/string.c
index a5f4523..d7dd98b 100644
--- a/src/kernel/lib/string.c
+++ b/src/kernel/lib/string.c
@@ -5,3 +5,8 @@ int strlen(char *s){
     while(*(s++)) len++;
     return len;
 }
+
+int strcmp(char *s1, char *s2){
+    while(*s1 && (*s1 == *s2)) {s1++; s2++;}
+    return *(const unsigned char *)s1 - *(const unsigned char *)s2;
+}
diff --git a/src/kernel/lib/string.h b/src/kernel/lib/string.h
index d12821e..b4ecaf3 100644
--- a/src/kernel/lib/string.h
+++ b/src/kernel/lib/string.h
@@ -1,3 +1,4 @@
 #pragma once
 
 int strlen(char *s);
+int strcmp(char *s1, char *s2);