cleanup

core/lib/string.c

@@ -1,8 +1,8 @@
+#include <zinnia/compiler.h>
+#include <zinnia/utils.h>
 #include <stddef.h>
 #include <stdint.h>
 #include <string.h>
-#include <zinnia/compiler.h>
-#include <zinnia/utils.h>
 
 [[__hot]]
 size_t strlen(const char* str) {
@@ -25,8 +25,8 @@ size_t strnlen(const char* str, size_t len) {
 [[__hot]]
 int memcmp(const void* s1, const void* s2, size_t size) {
     int diff = 0;
-    char* s1ptr = (char*)s1;
-    char* s2ptr = (char*)s2;
+    const uint8_t* s1ptr = s1;
+    const uint8_t* s2ptr = s2;
 
     for (size_t i = 0; i < size; i++) {
         if (s1ptr[i] != s2ptr[i])