From 77eda8d90b51c8a654f97fd8d2c32ccc8280191a Mon Sep 17 00:00:00 2001
From: Nikolai Vavilov <vvnicholas@gmail.com>
Date: Wed, 11 Nov 2015 13:18:31 +0200
Subject: [PATCH] win: properly return UV_EBADF when _close() fails

Previously, libuv didn't return the correct error code when attempting
to close an invalid file descriptor with `uv_fs_close()`.

PR-URL: https://github.com/libuv/libuv/pull/613
Reviewed-by: Bert Belder <bertbelder@gmail.com>
---
 src/win/fs.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/win/fs.c b/src/win/fs.c
index 4a175731..fe56dba6 100644
--- a/src/win/fs.c
+++ b/src/win/fs.c
@@ -533,7 +533,15 @@ void fs__close(uv_fs_t* req) {
   else
     result = 0;
 
-  SET_REQ_RESULT(req, result);
+  /* _close doesn't set _doserrno on failure, but it does always set errno
+   * to EBADF on failure.
+   */
+  if (result == -1) {
+    assert(errno == EBADF);
+    SET_REQ_UV_ERROR(req, UV_EBADF, ERROR_INVALID_HANDLE);
+  } else {
+    req->result = 0;
+  }
 }