Add Microsoft Windows (DYNAMIC_)?TIME_ZONE_INFORMATION structure

windows/windows_timezone_information.ksy

@@ -0,0 +1,72 @@
+meta:
+  id: windows_timezone_information
+  title: Microsoft Windows (DYNAMIC_)?TIME_ZONE_INFORMATION structure
+  license: Unlicense
+  endian: le
+  imports:
+    - /windows/windows_systemtime
+doc: |
+  Microsoft Windows (DYNAMIC_)?TIME_ZONE_INFORMATION structure, stores info about timezone.
+
+doc-ref:
+  - https://learn.microsoft.com/en-us/windows/win32/api/timezoneapi/ns-timezoneapi-time_zone_information
+  - https://learn.microsoft.com/en-us/windows/win32/api/timezoneapi/ns-timezoneapi-dynamic_time_zone_information
+-orig-id:
+  - TIME_ZONE_INFORMATION
+  - _TIME_ZONE_INFORMATION
+seq:
+  - id: basic
+    type: basic
+    -orig-id: TIME_ZONE_INFORMATION
+  - id: dynamic
+    type: dynamic
+    if: _io.pos < _io.size
+
+types:
+  basic:
+    seq:
+      - id: bias
+        -orig-id: Bias
+        type: bias
+      - id: standard
+        -orig-id: StandardName, StandardDate, StandardBias
+        type: piece
+      - id: daylight
+        -orig-id: DaylightName, DaylightDate, DaylightBias
+        type: piece
+    types:
+      bias:
+        seq:
+          - id: bias
+            -orig-id: Bias
+            type: s4
+            -unit: minute
+            doc: in minutes, negative (GTM+3 will be -180)
+        instances:
+          gtm_hour_bias:
+            value: bias / -60.
+      piece:
+        seq:
+          - id: name
+            -orig-id: StandardName, DaylightName
+            type: str
+            encoding: utf-16
+            size: 32 * 2
+          - id: date
+            -orig-id: StandardDate, StandardDate
+            type: windows_systemtime
+          - id: bias
+            -orig-id: StandardBias, DaylightBias
+            type: bias
+            doc: delta to `_parent.bias`
+  dynamic:
+    -orig-id: DYNAMIC_TIME_ZONE_INFORMATION
+    seq:
+      - id: time_zone_key_name
+        -orig-id: TimeZoneKeyName
+        type: str
+        encoding: utf-16
+        size: 128 * 2
+      - id: dynamic_daylight_saving_disabled
+        -orig-id: DynamicDaylightTimeDisabled
+        type: u1