X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/474a5dd282586c31abfefc7953f148acdc226731..3b6a05fc894d0c1a3d431045ee5a53955ba093a0:/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 aeaca00..ae56240 100755
--- a/lunaix-os/libs/klibc/string/mem.c
+++ b/lunaix-os/libs/klibc/string/mem.c
@@ -4,6 +4,8 @@
 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),