Fix statfs under NODERAWFS + ASSERTIONS=2 (#24756)

Fixes: #24729

Author: sbc100

src/lib/libnoderawfs.js

@@ -84,11 +84,18 @@ addToLibrary({
       var stream = FS.getStreamChecked(fd);
       return fs.fstatSync(stream.nfd);
     },
-    statfsStream(stream) {
-      return fs.statfsSync(stream.path);
+    statfs(path) {
+      // Node's fs.statfsSync API doesn't provide these attributes so include
+      // some defaults.
+      var defaults = {
+        fsid: 42,
+        flags: 2,
+        namelen: 255,
+      }
+      return Object.assign(defaults, fs.statfsSync(path));
     },
-    statfsNode(node) {
-      return fs.statfsSync(node.path);
+    statfsStream(stream) {
+      return FS.statfs(stream.path);
     },
     chmod(path, mode, dontFollow) {
       mode &= {{{ cDefs.S_IALLUGO }}};

test/test_other.py

@@ -14426,7 +14426,7 @@ def test_unistd_sleep(self):
   def test_unistd_fstatfs(self):
     if '-DNODERAWFS' in self.cflags and WINDOWS:
       self.skipTest('Cannot look up /dev/stdout on windows')
-    self.do_run_in_out_file_test('unistd/fstatfs.c')
+    self.do_run_in_out_file_test('unistd/fstatfs.c', cflags=['-sASSERTIONS=2'])
 
   @no_windows("test is Linux-specific")
   @no_mac("test is Linux-specific")