These structs are used for on-storage data layouts. They should be not
affected by different integer precisions and alignment optimizations of
32bit or 64bit machines. Using the architecture independent integer data
types, like uint32_t, achieves the former, using the packet attribute
the later.
Signed-off-by: Stefan Lengfeld <s.lengfeld@xxxxxxxxx>
---
common/state/backend_bucket_circular.c | 2 +-
common/state/backend_bucket_direct.c | 2 +-
common/state/backend_format_raw.c | 2 +-
3 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/common/state/backend_bucket_circular.c b/common/state/backend_bucket_circular.c
index 72e165e..d8504e0 100644
--- a/common/state/backend_bucket_circular.c
+++ b/common/state/backend_bucket_circular.c
@@ -47,7 +47,7 @@ struct state_backend_storage_bucket_circular {
struct device_d *dev;
};
-struct state_backend_storage_bucket_circular_meta {
+struct __attribute__((__packed__)) state_backend_storage_bucket_circular_meta {
uint32_t magic;
uint32_t written_length;
};
diff --git a/common/state/backend_bucket_direct.c b/common/state/backend_bucket_direct.c
index 08892f0..5225433 100644
--- a/common/state/backend_bucket_direct.c
+++ b/common/state/backend_bucket_direct.c
@@ -32,7 +32,7 @@ struct state_backend_storage_bucket_direct {
struct device_d *dev;
};
-struct state_backend_storage_bucket_direct_meta {
+struct __attribute__((__packed__)) state_backend_storage_bucket_direct_meta {
uint32_t magic;
uint32_t written_length;
};
diff --git a/common/state/backend_format_raw.c b/common/state/backend_format_raw.c
index 4209424..e028ea6 100644
--- a/common/state/backend_format_raw.c
+++ b/common/state/backend_format_raw.c
@@ -37,7 +37,7 @@ struct state_backend_format_raw {
struct device_d *dev;
};
-struct backend_raw_header {
+struct __attribute__((__packed__)) backend_raw_header {
uint32_t magic;
uint16_t reserved;
uint16_t data_len;
--
1.9.1
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