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AK: Add conversion functions for packed DOS time format

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This also adjusts the FATFS code to use the new functions and removes
the now redundant old conversion functions.
This commit is contained in:
Ollrogge 2023-02-06 20:15:30 +01:00 • committed by Andrew Kaster
parent 7e915b145b
commit 361df6eff8
7 changed files with 98 additions and 39 deletions
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14
Kernel/FileSystem/FATFS/Inode.cpp
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@ -31,9 +31,9 @@ FATInode::FATInode(FATFS& fs, FATEntry entry, NonnullOwnPtr<KString> filename)
.uid = 0,
.gid = 0,
.link_count = 0,
.atime = fat_date_time(m_entry.last_accessed_date, { 0 }),
.ctime = fat_date_time(m_entry.creation_date, m_entry.creation_time),
.mtime = fat_date_time(m_entry.modification_date, m_entry.modification_time),
.atime = time_from_packed_dos(m_entry.last_accessed_date, { 0 }),
.ctime = time_from_packed_dos(m_entry.creation_date, m_entry.creation_time),
.mtime = time_from_packed_dos(m_entry.modification_date, m_entry.modification_time),
.dtime = {},
.block_count = 0,
.block_size = 0,
@ -186,14 +186,6 @@ ErrorOr<NonnullOwnPtr<KString>> FATInode::compute_filename(FATEntry& entry, Vect
VERIFY_NOT_REACHED();
}
Time FATInode::fat_date_time(FATPackedDate date, FATPackedTime time)
{
if (date.value == 0)
return Time();
return Time::from_timestamp(first_fat_year + date.year, date.month, date.day, time.hour, time.minute, time.second * 2, 0);
}
StringView FATInode::byte_terminated_string(StringView string, u8 fill_byte)
{
if (auto index = string.find_last_not(fill_byte); index.has_value())