From 28c275b0ea38a341e6ce158d631bb41109863dd2 Mon Sep 17 00:00:00 2001
From: Camel Coder <camel-cdr@protonmail.com>
Date: Mon, 15 Jul 2024 05:44:36 +0200
Subject: [PATCH] fix memcpy&memset alignment (#37)

---
 libs/klib/src/string.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/libs/klib/src/string.c b/libs/klib/src/string.c
index 5c870a07..35f13c83 100644
--- a/libs/klib/src/string.c
+++ b/libs/klib/src/string.c
@@ -53,7 +53,7 @@ void* memset(void* v,int c,size_t n){
 
   if (n >= threshold) {
     // first let dst aligned by 8 bytes
-    int pad = (uintptr_t)dst % 8;
+    int pad = (8 - (uintptr_t)dst % 8) % 8;
     n -= pad;
     while (pad --) { *dst ++ = c; }
 
@@ -102,7 +102,7 @@ void* memcpy(void* out, const void* in, size_t n) {
 
   if (n >= threshold && is_align8) {
     // first let dst aligned by 8 bytes
-    int pad = (uintptr_t)dst % 8;
+    int pad = (8 - (uintptr_t)dst % 8) % 8;
     n -= pad;
     while (pad --) { *dst ++ = *src ++; }
 
@@ -131,7 +131,7 @@ void* memcpy(void* out, const void* in, size_t n) {
 
   if (n >= threshold && is_align4) {
     // first let dst aligned by 4 bytes
-    int pad = (uintptr_t)dst % 4;
+    int pad = (4 - (uintptr_t)dst % 4) % 4;
     n -= pad;
     while (pad --) { *dst ++ = *src ++; }