1 files changed, 18 insertions, 1 deletions
diff --git a/src/mem/memcmp.c b/src/mem/memcmp.c
index bcb2fb5..70419be 100644
--- a/src/mem/memcmp.c
+++ b/src/mem/memcmp.c
@@ -11,5 +11,22 @@
  */
 #include <mem.h>
 
-extern inline int calt_memcmp(void const *ptr1, void const *ptr2, size_t count);
+int calt_memcmp(const void *ptr1, const void *ptr2, size_t count) {
+	if(ptr1 == ptr2){
+		return 0;
+	}
+
+	const unsigned char *p1 = ptr1;
+	const unsigned char *p2 = ptr2;
+
+	while (count-- > 0) {
+		if (*p1 != *p2) {
+			return (*p1 < *p2) ? -1 : 1;
+		}
+		p1++;
+		p2++;
+	}
+
+	return 0;
+}