uv: apply floating patch 2f54947b

deps/uv/src/unix/fs.c

@@ -312,14 +312,15 @@ static ssize_t uv__fs_readdir(uv_fs_t* req) {
   dents = NULL;
   n = scandir(req->path, &dents, uv__fs_readdir_filter, alphasort);
 
+  /* NOTE: We will use nbufs as an index field */
+  req->nbufs = 0;
+
   if (n == 0)
     goto out; /* osx still needs to deallocate some memory */
   else if (n == -1)
     return n;
 
-  /* NOTE: We will use nbufs as an index field */
   req->ptr = dents;
-  req->nbufs = 0;
 
   return n;
 
@@ -334,6 +335,8 @@ out:
   }
   errno = saved_errno;
 
+  req->ptr = NULL;
+
   return n;
 }
 

deps/uv/test/test-fs.c

@@ -436,10 +436,13 @@ static void readdir_cb(uv_fs_t* req) {
 
 
 static void empty_readdir_cb(uv_fs_t* req) {
+  uv_dirent_t dent;
+
   ASSERT(req == &readdir_req);
   ASSERT(req->fs_type == UV_FS_READDIR);
   ASSERT(req->result == 0);
   ASSERT(req->ptr == NULL);
+  ASSERT(UV_EOF == uv_fs_readdir_next(req, &dent));
   uv_fs_req_cleanup(req);
   readdir_cb_count++;
 }
@@ -1805,6 +1808,7 @@ TEST_IMPL(fs_stat_missing_path) {
 TEST_IMPL(fs_readdir_empty_dir) {
   const char* path;
   uv_fs_t req;
+  uv_dirent_t dent;
   int r;
 
   path = "./empty_dir/";
@@ -1813,10 +1817,14 @@ TEST_IMPL(fs_readdir_empty_dir) {
   uv_fs_mkdir(loop, &req, path, 0777, NULL);
   uv_fs_req_cleanup(&req);
 
+  /* Fill the req to ensure that required fields are cleaned up */
+  memset(&req, 0xdb, sizeof(req));
+
   r = uv_fs_readdir(loop, &req, path, 0, NULL);
   ASSERT(r == 0);
   ASSERT(req.result == 0);
   ASSERT(req.ptr == NULL);
+  ASSERT(UV_EOF == uv_fs_readdir_next(&req, &dent));
   uv_fs_req_cleanup(&req);
 
   r = uv_fs_readdir(loop, &readdir_req, path, 0, empty_readdir_cb);