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| author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
|---|---|---|
| committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
| commit | 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch) | |
| tree | 10027f336435511475e392454359edea8e25895d /other-licenses/7zstub/src/Windows/Time.h | |
| parent | 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff) | |
| download | uxp-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.gz | |
Add m-esr52 at 52.6.0
Diffstat (limited to 'other-licenses/7zstub/src/Windows/Time.h')
| -rw-r--r-- | other-licenses/7zstub/src/Windows/Time.h | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/other-licenses/7zstub/src/Windows/Time.h b/other-licenses/7zstub/src/Windows/Time.h new file mode 100644 index 0000000000..b16602aa18 --- /dev/null +++ b/other-licenses/7zstub/src/Windows/Time.h @@ -0,0 +1,66 @@ +// Windows/Time.h
+
+#ifndef __WINDOWS_TIME_H
+#define __WINDOWS_TIME_H
+
+#include "Common/Types.h"
+#include "Windows/Defs.h"
+
+namespace NWindows {
+namespace NTime {
+
+inline bool DosTimeToFileTime(UInt32 dosTime, FILETIME &fileTime)
+{
+ return BOOLToBool(::DosDateTimeToFileTime(UInt16(dosTime >> 16),
+ UInt16(dosTime & 0xFFFF), &fileTime));
+}
+
+const UInt32 kHighDosTime = 0xFF9FBF7D;
+const UInt32 kLowDosTime = 0x210000;
+
+inline bool FileTimeToDosTime(const FILETIME &fileTime, UInt32 &dosTime)
+{
+ WORD datePart, timePart;
+ if (!::FileTimeToDosDateTime(&fileTime, &datePart, &timePart))
+ {
+ if (fileTime.dwHighDateTime >= 0x01C00000) // 2000
+ dosTime = kHighDosTime;
+ else
+ dosTime = kLowDosTime;
+ return false;
+ }
+ dosTime = (((UInt32)datePart) << 16) + timePart;
+ return true;
+}
+
+const UInt32 kNumTimeQuantumsInSecond = 10000000;
+const UInt64 kUnixTimeStartValue = ((UInt64)kNumTimeQuantumsInSecond) * 60 * 60 * 24 * 134774;
+
+inline void UnixTimeToFileTime(UInt32 unixTime, FILETIME &fileTime)
+{
+ UInt64 v = kUnixTimeStartValue + ((UInt64)unixTime) * kNumTimeQuantumsInSecond;
+ fileTime.dwLowDateTime = (DWORD)v;
+ fileTime.dwHighDateTime = (DWORD)(v >> 32);
+}
+
+inline bool FileTimeToUnixTime(const FILETIME &fileTime, UInt32 &unixTime)
+{
+ UInt64 winTime = (((UInt64)fileTime.dwHighDateTime) << 32) + fileTime.dwLowDateTime;
+ if (winTime < kUnixTimeStartValue)
+ {
+ unixTime = 0;
+ return false;
+ }
+ winTime = (winTime - kUnixTimeStartValue) / kNumTimeQuantumsInSecond;
+ if (winTime > 0xFFFFFFFF)
+ {
+ unixTime = 0xFFFFFFFF;
+ return false;
+ }
+ unixTime = (UInt32)winTime;
+ return true;
+}
+
+}}
+
+#endif
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