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CrtLibSupport: factor out EFI_TIME -> time_t calculation to new function

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No functional change.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Gerd Hoffmann 2024-06-11 11:53:24 +02:00 committed by mergify[bot]
parent ebf7daa583
commit af73d37741
1 changed files with 32 additions and 19 deletions
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51
CryptoPkg/Library/BaseCryptLib/SysCall/TimerWrapper.c
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@ -80,6 +80,37 @@ IsLeap (
return (Remainder1 == 0 && (Remainder2 != 0 || Remainder3 == 0));
}
STATIC
time_t
CalculateTimeT (
EFI_TIME *Time
)
{
time_t CalTime;
UINTN Year;
//
// Years Handling
// UTime should now be set to 00:00:00 on Jan 1 of the current year.
//
for (Year = 1970, CalTime = 0; Year != Time->Year; Year++) {
CalTime = CalTime + (time_t)(CumulativeDays[IsLeap (Year)][13] * SECSPERDAY);
}
//
// Add in number of seconds for current Month, Day, Hour, Minute, Seconds, and TimeZone adjustment
//
CalTime = CalTime +
(time_t)((Time->TimeZone != EFI_UNSPECIFIED_TIMEZONE) ? (Time->TimeZone * 60) : 0) +
(time_t)(CumulativeDays[IsLeap (Time->Year)][Time->Month] * SECSPERDAY) +
(time_t)(((Time->Day > 0) ? Time->Day - 1 : 0) * SECSPERDAY) +
(time_t)(Time->Hour * SECSPERHOUR) +
(time_t)(Time->Minute * 60) +
(time_t)Time->Second;
return CalTime;
}
/* Get the system time as seconds elapsed since midnight, January 1, 1970. */
// INTN time(
// INTN *timer
@ -92,7 +123,6 @@ time (
EFI_STATUS Status;
EFI_TIME Time;
time_t CalTime;
UINTN Year;
//
// Get the current time and date information
@ -102,24 +132,7 @@ time (
return 0;
}
//
// Years Handling
// UTime should now be set to 00:00:00 on Jan 1 of the current year.
//
for (Year = 1970, CalTime = 0; Year != Time.Year; Year++) {
CalTime = CalTime + (time_t)(CumulativeDays[IsLeap (Year)][13] * SECSPERDAY);
}
//
// Add in number of seconds for current Month, Day, Hour, Minute, Seconds, and TimeZone adjustment
//
CalTime = CalTime +
(time_t)((Time.TimeZone != EFI_UNSPECIFIED_TIMEZONE) ? (Time.TimeZone * 60) : 0) +
(time_t)(CumulativeDays[IsLeap (Time.Year)][Time.Month] * SECSPERDAY) +
(time_t)(((Time.Day > 0) ? Time.Day - 1 : 0) * SECSPERDAY) +
(time_t)(Time.Hour * SECSPERHOUR) +
(time_t)(Time.Minute * 60) +
(time_t)Time.Second;
CalTime = CalculateTimeT (&Time);
if (timer != NULL) {
*timer = CalTime;