1 files changed, 29 insertions, 21 deletions

diff --git a/Utilities/cmlibuv/src/win/getnameinfo.c b/Utilities/cmlibuv/src/win/getnameinfo.c
index 9f10cd2a5..b3773380c 100644
--- a/Utilities/cmlibuv/src/win/getnameinfo.c
+++ b/Utilities/cmlibuv/src/win/getnameinfo.c
@@ -42,7 +42,7 @@ static void uv__getnameinfo_work(struct uv__work* w) {
   uv_getnameinfo_t* req;
   WCHAR host[NI_MAXHOST];
   WCHAR service[NI_MAXSERV];
-  int ret = 0;
+  int ret;
 
   req = container_of(w, uv_getnameinfo_t, work_req);
   if (GetNameInfoW((struct sockaddr*)&req->storage,
@@ -53,27 +53,34 @@ static void uv__getnameinfo_work(struct uv__work* w) {
                    ARRAY_SIZE(service),
                    req->flags)) {
     ret = WSAGetLastError();
+    req->retcode = uv__getaddrinfo_translate_error(ret);
+    return;
+  }
+
+  ret = WideCharToMultiByte(CP_UTF8,
+                            0,
+                            host,
+                            -1,
+                            req->host,
+                            sizeof(req->host),
+                            NULL,
+                            NULL);
+  if (ret == 0) {
+    req->retcode = uv_translate_sys_error(GetLastError());
+    return;
+  }
+
+  ret = WideCharToMultiByte(CP_UTF8,
+                            0,
+                            service,
+                            -1,
+                            req->service,
+                            sizeof(req->service),
+                            NULL,
+                            NULL);
+  if (ret == 0) {
+    req->retcode = uv_translate_sys_error(GetLastError());
   }
-  req->retcode = uv__getaddrinfo_translate_error(ret);
-
-  /* convert results to UTF-8 */
-  WideCharToMultiByte(CP_UTF8,
-                      0,
-                      host,
-                      -1,
-                      req->host,
-                      sizeof(req->host),
-                      NULL,
-                      NULL);
-
-  WideCharToMultiByte(CP_UTF8,
-                      0,
-                      service,
-                      -1,
-                      req->service,
-                      sizeof(req->service),
-                      NULL,
-                      NULL);
 }
 
 
@@ -138,6 +145,7 @@ int uv_getnameinfo(uv_loop_t* loop,
   if (getnameinfo_cb) {
     uv__work_submit(loop,
                     &req->work_req,
+                    UV__WORK_SLOW_IO,
                     uv__getnameinfo_work,
                     uv__getnameinfo_done);
     return 0;