# --- T2-COPYRIGHT-BEGIN ---
# t2/package/*/dosfstools/58e0c95106d43b0df9ccb8d1edef00949bc8b4e7.patch
# Copyright (C) 2022 - 2026 The T2 SDE Project
# SPDX-License-Identifier: GPL-2.0 or patched project license
# --- T2-COPYRIGHT-END ---

From 58e0c95106d43b0df9ccb8d1edef00949bc8b4e7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Pali=20Roh=C3=A1r?= <pali.rohar@gmail.com>
Date: Wed, 16 Mar 2022 01:24:22 +0100
Subject: [PATCH] fsck.fat: Add missing __attribute__ ((packed)) for disk
 structures

It is required for proper pointer aligning and also for preventing to fill
gaps between structure members.

Fixes #176
---
 src/fsck.fat.h | 2 +-
 src/lfn.c      | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/fsck.fat.h b/src/fsck.fat.h
index eaab6a9..5cbd838 100644
--- a/src/fsck.fat.h
+++ b/src/fsck.fat.h
@@ -124,7 +124,7 @@ struct info_sector {
     uint32_t next_cluster;	/* Most recently allocated cluster. */
     uint8_t reserved2[12];
     uint32_t boot_sign;
-};
+} __attribute__ ((packed));
 
 typedef struct {
     uint8_t name[MSDOS_NAME];	/* name including extension */
diff --git a/src/lfn.c b/src/lfn.c
index 96464df..495bd82 100644
--- a/src/lfn.c
+++ b/src/lfn.c
@@ -43,7 +43,7 @@ typedef struct {
     uint8_t name5_10[12];	/* 6 more characters in name */
     uint16_t start;		/* starting cluster number, 0 in long slots */
     uint8_t name11_12[4];	/* last 2 characters in name */
-} LFN_ENT;
+} __attribute__ ((packed)) LFN_ENT;
 
 #define LFN_ID_START	0x40
 #define LFN_ID_SLOTMASK	0x1f