Added changed from feedback from Andy

impl/getcomputername.cpp

@@ -87,26 +87,12 @@ BOOL GetComputerNameW(WCHAR_T* lpBuffer, LPDWORD lpnSize)
     {
         switch (errno) 
         {
-            case EMFILE:
-            case ENFILE:
-                errno = ERROR_TOO_MANY_OPEN_FILES;
+            case EFAULT:
+                errno = ERROR_INVALID_ADDRESS;
                 break;
-            case ENXIO:
-                errno = ERROR_NO_ASSOCIATION;
-                break;
-            case ERANGE:
-                errno = ERROR_INSUFFICIENT_BUFFER;
-                break;
-            case ENOENT:
-                errno = ERROR_NO_SUCH_USER;
-                break;
-            case ENOMEM:
-                errno = ERROR_OUTOFMEMORY;
-                break;
-            case ENOTTY:
-                errno = ERROR_NO_ASSOCIATION;
-                break;
-                errno = ERROR_NO_ASSOCIATION;
+            case ENAMETOOLONG:
+                errno = ERROR_BUFFER_OVERFLOW;
+                break; 
             default:
                 errno = ERROR_INVALID_FUNCTION;
         }

impl/pal.h

@@ -78,6 +78,8 @@
     #define ERROR_NO_SUCH_USER 0x00000525
     #define ERROR_INVALID_FUNCTION 0x00000001
     #define MAX_PATH 0x00000104
+    #define ERROR_INVALID_ADDRESS 0x1e7
+    #define ERROR_BUFFER_OVERFLOW 0x6F
     typedef unsigned long long uint64;
 #endif