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File system refactor, bug fixes

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elasota
2021-03-07 04:24:13 -05:00
parent 6715bcb030
commit 3917e1a370
70 changed files with 2417 additions and 1242 deletions
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56
PortabilityLayer/CombinedTimestamp.h
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@@ -6,7 +6,7 @@ namespace PortabilityLayer
{
struct CombinedTimestamp
{
uint8_t m_utcTimestamp[8];
uint8_t m_macEpochTimestamp[8];
uint8_t m_localYear[4];
uint8_t m_localMonth;
@@ -18,26 +18,30 @@ namespace PortabilityLayer
uint8_t m_padding[3];
int64_t GetUTCTime() const;
void SetUTCTime(int64_t timestamp);
static const int32_t kMacEpochToUTC = 2082844800;
int64_t GetMacEpochTime() const;
void SetMacEpochTime(int64_t timestamp);
int32_t GetLocalYear() const;
void SetLocalYear(int32_t year);
void GetAsMSDOSTimestamp(uint16_t &msdosDate, uint16_t &msdosTime) const;
};
inline int64_t CombinedTimestamp::GetUTCTime() const
inline int64_t CombinedTimestamp::GetMacEpochTime() const
{
int64_t result = 0;
for (int i = 0; i < 8; i++)
result |= static_cast<int64_t>(m_utcTimestamp[i]) << (i * 8);
result |= static_cast<int64_t>(m_macEpochTimestamp[i]) << (i * 8);
return result;
}
void CombinedTimestamp::SetUTCTime(int64_t timestamp)
inline void CombinedTimestamp::SetMacEpochTime(int64_t timestamp)
{
for (int i = 0; i < 8; i++)
m_utcTimestamp[i] = static_cast<uint8_t>((timestamp >> (i * 8)) & 0xff);
m_macEpochTimestamp[i] = static_cast<uint8_t>((timestamp >> (i * 8)) & 0xff);
}
inline int32_t CombinedTimestamp::GetLocalYear() const
@@ -49,9 +53,45 @@ namespace PortabilityLayer
return result;
}
void CombinedTimestamp::SetLocalYear(int32_t timestamp)
inline void CombinedTimestamp::SetLocalYear(int32_t timestamp)
{
for (int i = 0; i < 4; i++)
m_localYear[i] = static_cast<uint8_t>((timestamp >> (i * 8)) & 0xff);
}
inline void CombinedTimestamp::GetAsMSDOSTimestamp(uint16_t &msdosDate, uint16_t &msdosTime) const
{
int32_t localYear = this->GetLocalYear();
uint8_t month = this->m_localMonth;
uint8_t day = this->m_localDay;
uint8_t hour = this->m_localHour;
uint8_t minute = this->m_localMinute;
uint8_t second = this->m_localSecond;
int32_t yearsSince1980 = localYear - 1980;
if (localYear < 1980)
{
// Time machine
yearsSince1980 = 0;
second = 0;
minute = 0;
hour = 0;
day = 1;
month = 1;
}
else if (localYear > 1980 + 127)
{
yearsSince1980 = 127;
second = 59;
minute = 59;
hour = 23;
day = 31;
month = 12;
}
msdosTime = (second / 2) | (minute << 5) | (hour << 11);
msdosDate = day | (month << 5) | (yearsSince1980 << 9);
}
}