From: acevest <zhaoyanbai@126.com>
Date: Sat, 15 Aug 2026 00:42:14 +0000 (+0800)
Subject: 修复输出格式转换的问题
X-Git-Url: http://repos.zhaoyanbai.com/?a=commitdiff_plain;h=7eede3b4688e37f48c0cb29598111f47bc8a8a4d;p=kernel.git

修复输出格式转换的问题
---

diff --git a/lib/string.c b/lib/string.c
index c7ca91c..d1cc161 100644
--- a/lib/string.c
+++ b/lib/string.c
@@ -88,11 +88,12 @@ char* strcat(char* dest, const char* src) {
     //     ;
     while (1) {
         *dest = *src;
-        dest++;
-        src++;
         if (*dest == 0) {
             break;
         }
+
+        dest++;
+        src++;
     }
     return tmp;
 }
diff --git a/lib/vsprintf.c b/lib/vsprintf.c
index 1129c0a..2150486 100644
--- a/lib/vsprintf.c
+++ b/lib/vsprintf.c
@@ -169,17 +169,19 @@ char* i64tou(char* s, uint64_t n) {
 
 char* itou(char* s, unsigned int n) {
     char* p = s;
+    char* h = s;
 
     do {
         *p++ = (n % 10) + '0';
         n /= 10;
     } while (n);
 
-    *p-- = 0;
+    *p = 0;
+    p--;
 
-    while (s < p) {
-        swap_char(s, p);
-        s++;
+    while (h < p) {
+        swap_char(h, p);
+        h++;
         p--;
     }
     return s;