diff --git a/reactos/lib/rtl/network.c b/reactos/lib/rtl/network.c
index e8b0d6b9fd5..e2c61cadfc3 100644
--- a/reactos/lib/rtl/network.c
+++ b/reactos/lib/rtl/network.c
@@ -22,10 +22,15 @@ NTAPI
 RtlIpv4AddressToStringA(IN struct in_addr *Addr,
                         OUT PCHAR S)
 {
-    return S + sprintf(S, "%u.%u.%u.%u", Addr->S_un.S_un_b.s_b1,
-                                         Addr->S_un.S_un_b.s_b2,
-                                         Addr->S_un.S_un_b.s_b3,
-                                         Addr->S_un.S_un_b.s_b4);
+    CHAR Buffer[sizeof("255.255.255.255")];
+    INT Length;
+    Length = sprintf(Buffer, "%u.%u.%u.%u", Addr->S_un.S_un_b.s_b1,
+                                            Addr->S_un.S_un_b.s_b2,
+                                            Addr->S_un.S_un_b.s_b3,
+                                            Addr->S_un.S_un_b.s_b4);
+    if (S)
+        strcpy(S, Buffer);
+    return S + Length;
 }
 
 /*
diff --git a/reactos/lib/sdk/crt/stdlib/qsort.c b/reactos/lib/sdk/crt/stdlib/qsort.c
index 1e1dc8c712d..94bcd02badc 100644
--- a/reactos/lib/sdk/crt/stdlib/qsort.c
+++ b/reactos/lib/sdk/crt/stdlib/qsort.c
@@ -186,7 +186,8 @@ qsort(void *base0, size_t n, size_t size, int (__cdecl *compar)(const void*, con
   if (n <= 1)
     return;
 
-  size = size;
+  if (size == 0)
+    return;
   compar = compar;
   thresh = size * THRESH;
   max = base + n * size;