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Kernel/FileSystem/FATFS: Use AssertSize to enforce FAT structure sizes

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Taj Morton 2024-01-07 13:04:19 -08:00 committed by Andrew Kaster
parent d6a519e9af
commit 55cd89aea8
Notes: sideshowbarker 2024-07-17 11:33:34 +09:00 
Author: https://github.com/tajmorton
Commit: https://github.com/SerenityOS/serenity/commit/55cd89aea8
Pull-request: https://github.com/SerenityOS/serenity/pull/22262
Reviewed-by: https://github.com/ADKaster ✅
Reviewed-by: https://github.com/adamrt
1 changed files with 5 additions and 5 deletions
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10
Kernel/FileSystem/FATFS/Definitions.h
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@ -45,7 +45,7 @@ struct [[gnu::packed]] DOS3BIOSParameterBlock {
u32 sector_count_32bit; // 0x020 -- end of DOS 3.31 BPB.
};
// 11 is the boot jump/OEM identifier prefix prior to the official BPB.
static_assert(sizeof(DOS3BIOSParameterBlock) == 11 + 25);
static_assert(AssertSize<DOS3BIOSParameterBlock, 11 + 25>());
struct [[gnu::packed]] DOS4BIOSParameterBlock {
// Begins at sector offset 0x024.
@ -56,7 +56,7 @@ struct [[gnu::packed]] DOS4BIOSParameterBlock {
char volume_label_string[11];
char file_system_type[8];
};
static_assert(sizeof(DOS4BIOSParameterBlock) == 26);
static_assert(AssertSize<DOS4BIOSParameterBlock, 26>());
struct [[gnu::packed]] DOS7BIOSParameterBlock {
// Begins at sector offset 0x024.
@ -74,7 +74,7 @@ struct [[gnu::packed]] DOS7BIOSParameterBlock {
char volume_label_string[11];
char file_system_type[8];
};
static_assert(sizeof(DOS7BIOSParameterBlock) == 54);
static_assert(AssertSize<DOS7BIOSParameterBlock, 54>());
enum DOSBIOSParameterBlockVersion {
DOS_BPB_UNKNOWN,
@ -116,7 +116,7 @@ struct [[gnu::packed]] FATEntry {
u16 first_cluster_low;
u32 file_size;
};
static_assert(sizeof(FATEntry) == 32);
static_assert(AssertSize<FATEntry, 32>());
struct [[gnu::packed]] FATLongFileNameEntry {
u8 entry_index;
@ -128,6 +128,6 @@ struct [[gnu::packed]] FATLongFileNameEntry {
u16 zero;
u16 characters3[2];
};
static_assert(sizeof(FATLongFileNameEntry) == 32);
static_assert(AssertSize<FATLongFileNameEntry, 32>());
}