From b174942e6a7e15bf78edc3098fcbcdf1b2fbccd2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?S=C3=A9bastien=20Marie?= <semarie@online.fr>
Date: Thu, 19 Nov 2020 13:55:46 +0000
Subject: [PATCH] openbsd, netbsd: getdents: entry with d_fileno==0 should be
 skipped

---
 lib/std/fs.zig | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/lib/std/fs.zig b/lib/std/fs.zig
index d144906545..db95b2a7d1 100644
--- a/lib/std/fs.zig
+++ b/lib/std/fs.zig
@@ -399,7 +399,14 @@ pub const Dir = struct {
 
                     const name = @ptrCast([*]u8, &bsd_entry.d_name)[0..bsd_entry.d_namlen];
 
-                    if (mem.eql(u8, name, ".") or mem.eql(u8, name, "..")) {
+                    const skip_zero_fileno = switch (builtin.os.tag) {
+                        // d_fileno=0 is used to mark invalid entries or deleted files.
+                        .openbsd, .netbsd => true,
+                        else => false,
+                    };
+                    if (mem.eql(u8, name, ".") or mem.eql(u8, name, "..") or
+                            (skip_zero_fileno and bsd_entry.d_fileno == 0))
+                    {
                         continue :start_over;
                     }