From 90a54f06e507e11ccf07c1378fe4a12b002ec2bd Mon Sep 17 00:00:00 2001
From: Koakuma <koachan@protonmail.com>
Date: Thu, 13 May 2021 06:18:51 +0700
Subject: [PATCH] Add a comment to explain the alignment directive

---
 lib/std/fs.zig | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/std/fs.zig b/lib/std/fs.zig
index 1b77c6657a..02df5fae0f 100644
--- a/lib/std/fs.zig
+++ b/lib/std/fs.zig
@@ -501,6 +501,8 @@ pub const Dir = struct {
         },
         .linux => struct {
             dir: Dir,
+            // The if guard is solely there to prevent compile errors from missing `os.linux.dirent64`
+            // definition when compiling for other OSes. It doesn't do anything when compiling for Linux.
             buf: [8192]u8 align(if (builtin.os.tag != .linux) 1 else @alignOf(os.linux.dirent64)),
             index: usize,
             end_index: usize,