With new alignment specification it's easy to screw up. Fortunately if it
happens the size will be bigger than intended. Compile time assert will catch
this.
Signed-off-by: Vladimir Serbinenko <phco...@gmail.com>
--
Regards
Vladimir 'phcoder' Serbinenko
From 6a4e58a9fe989dbe0f6b3ef9865cab05a55ac19a Mon Sep 17 00:00:00 2001
From: Vladimir Serbinenko <phco...@gmail.com>
Date: Sun, 13 Aug 2023 09:18:53 +0200
Subject: [PATCH 4/4] gpt: Add compile time asserts for guid and gpt_partentry
sizes
With new alignment specification it's easy to screw up. Fortunately if it
happens the size will be bigger than intended. Compile time assert will catch
this.
Signed-off-by: Vladimir Serbinenko <phco...@gmail.com>
---
grub-core/partmap/gpt.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/grub-core/partmap/gpt.c b/grub-core/partmap/gpt.c
index 877ceefc3..426f616ae 100644
--- a/grub-core/partmap/gpt.c
+++ b/grub-core/partmap/gpt.c
@@ -229,6 +229,9 @@ static struct grub_partition_map grub_gpt_partition_map =
GRUB_MOD_INIT(part_gpt)
{
+ COMPILE_TIME_ASSERT(sizeof(grub_guid_t) == 16);
+ COMPILE_TIME_ASSERT(sizeof(grub_packed_guid_t) == 16);
+ COMPILE_TIME_ASSERT(sizeof(struct grub_gpt_partentry) == 128);
grub_partition_map_register (&grub_gpt_partition_map);
}
--
2.39.2
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