feat: kernel stack tracing

[lunaix-os.git] / lunaix-os / libs / klibc / string / mem.c

diff --git a/lunaix-os/libs/klibc/string/mem.c b/lunaix-os/libs/klibc/string/mem.c
index aeaca009510283b7b8b393d31c92deeaa3c551f2..3183f0288caa68b7d2f8e3946ead80aa62845905 100755 (executable)
--- a/lunaix-os/libs/klibc/string/mem.c
+++ b/lunaix-os/libs/klibc/string/mem.c
@@ -1,9 +1,11 @@
 #include <klibc/string.h>
 #include <klibc/string.h>

-#include <stdint.h>
+#include <lunaix/types.h>

 
 void*
 memcpy(void* dest, const void* src, size_t num)
 {
 
 void*
 memcpy(void* dest, const void* src, size_t num)
 {

+    if (!num)
+        return dest;

     asm volatile("movl %1, %%edi\n"
                  "rep movsb\n" ::"S"(src),
                  "r"(dest),
     asm volatile("movl %1, %%edi\n"
                  "rep movsb\n" ::"S"(src),
                  "r"(dest),


@@ -15,8 +17,8 @@ memcpy(void* dest, const void* src, size_t num)
 void*
 memmove(void* dest, const void* src, size_t num)
 {
 void*
 memmove(void* dest, const void* src, size_t num)
 {

-    uint8_t* dest_ptr = (uint8_t*)dest;
-    const uint8_t* src_ptr = (const uint8_t*)src;
+    u8_t* dest_ptr = (u8_t*)dest;
+    const u8_t* src_ptr = (const u8_t*)src;

     if (dest_ptr < src_ptr) {
         for (size_t i = 0; i < num; i++) {
             *(dest_ptr + i) = *(src_ptr + i);
     if (dest_ptr < src_ptr) {
         for (size_t i = 0; i < num; i++) {
             *(dest_ptr + i) = *(src_ptr + i);


@@ -43,8 +45,8 @@ memset(void* ptr, int value, size_t num)
 int
 memcmp(const void* ptr1, const void* ptr2, size_t num)
 {
 int
 memcmp(const void* ptr1, const void* ptr2, size_t num)
 {

-    uint8_t* p1 = (uint8_t*)ptr1;
-    uint8_t* p2 = (uint8_t*)ptr2;
+    u8_t* p1 = (u8_t*)ptr1;
+    u8_t* p2 = (u8_t*)ptr2;

     for (size_t i = 0; i < num; i++) {
         int diff = *(p1 + i) - *(p2 + i);
         if (diff != 0) {
     for (size_t i = 0; i < num; i++) {
         int diff = *(p1 + i) - *(p2 + i);
         if (diff != 0) {