Fix warnings from nullabilty

NewExecutable/Executable.cs

@@ -16,46 +16,82 @@ namespace SabreTools.Models.NewExecutable
         /// <summary>
         /// MS-DOS executable stub
         /// </summary>
+#if NET48
         public MSDOS.Executable Stub { get; set; }
+#else
+        public MSDOS.Executable? Stub { get; set; }
+#endif
 
         /// <summary>
         /// New Executable header
         /// </summary>
+#if NET48
         public ExecutableHeader Header { get; set; }
+#else
+        public ExecutableHeader? Header { get; set; }
+#endif
 
         /// <summary>
         /// Segment table
         /// </summary>
+#if NET48
         public SegmentTableEntry[] SegmentTable { get; set; }
+#else
+        public SegmentTableEntry[]? SegmentTable { get; set; }
+#endif
 
         /// <summary>
         /// Resource table
         /// </summary>
+#if NET48
         public ResourceTable ResourceTable { get; set; }
+#else
+        public ResourceTable? ResourceTable { get; set; }
+#endif
 
         /// <summary>
         /// Resident-Name table
         /// </summary>
+#if NET48
         public ResidentNameTableEntry[] ResidentNameTable { get; set; }
+#else
+        public ResidentNameTableEntry[]? ResidentNameTable { get; set; }
+#endif
 
         /// <summary>
         /// Module-Reference table
         /// </summary>
+#if NET48
         public ModuleReferenceTableEntry[] ModuleReferenceTable { get; set; }
+#else
+        public ModuleReferenceTableEntry[]? ModuleReferenceTable { get; set; }
+#endif
 
         /// <summary>
         /// Imported-Name table
         /// </summary>
+#if NET48
         public Dictionary<ushort, ImportedNameTableEntry> ImportedNameTable { get; set; }
+#else
+        public Dictionary<ushort, ImportedNameTableEntry?>? ImportedNameTable { get; set; }
+#endif
 
         /// <summary>
         /// Entry table
         /// </summary>
+#if NET48
         public EntryTableBundle[] EntryTable { get; set; }
+#else
+        public EntryTableBundle[]? EntryTable { get; set; }
+#endif
 
         /// <summary>
         /// Nonresident-Name table
         /// </summary>
+#if NET48
         public NonResidentNameTableEntry[] NonResidentNameTable { get; set; }
+#else
+        public NonResidentNameTableEntry[]? NonResidentNameTable { get; set; }
+#endif
     }
 }

NewExecutable/ExecutableHeader.cs

@@ -17,7 +17,11 @@ namespace SabreTools.Models.NewExecutable
         /// "E" is high-order byte.
         /// </summary>
         [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2)]
+#if NET48
         public string Magic;
+#else
+        public string? Magic;
+#endif
 
         /// <summary>
         /// Version number of the linker.

NewExecutable/ImportedNameTableEntry.cs

@@ -23,6 +23,10 @@ namespace SabreTools.Models.NewExecutable
         /// <summary>
         /// ASCII text of the name string.
         /// </summary>
+#if NET48
         public byte[] NameString;
+#else
+        public byte[]? NameString;
+#endif
     }
 }

NewExecutable/NonResidentNameTableEntry.cs

@@ -23,7 +23,11 @@ namespace SabreTools.Models.NewExecutable
         /// <summary>
         /// ASCII text of the name string.
         /// </summary>
+#if NET48
         public byte[] NameString;
+#else
+        public byte[]? NameString;
+#endif
 
         /// <summary>
         /// Ordinal number (index into entry table). This value is ignored

NewExecutable/PerSegmentData.cs

@@ -18,6 +18,10 @@
         /// <summary>
         /// A table of relocation records follows.
         /// </summary>
+#if NET48
         public RelocationRecord[] RelocationRecords;
+#else
+        public RelocationRecord[]? RelocationRecords;
+#endif
     }
 }

NewExecutable/RelocationRecord.cs

@@ -37,24 +37,40 @@ namespace SabreTools.Models.NewExecutable
         /// INTERNALREF
         /// </summary>
         /// <remarks>Must be <c>NULL</c> if <see cref="Flags"/> is not set to <see cref="RelocationRecordFlag.INTERNALREF"/></remarks>
+#if NET48
         public InternalRefRelocationRecord InternalRefRelocationRecord;
+#else
+        public InternalRefRelocationRecord? InternalRefRelocationRecord;
+#endif
 
         /// <summary>
         /// IMPORTNAME
         /// </summary>
         /// <remarks>Must be <c>NULL</c> if <see cref="Flags"/> is not set to <see cref="RelocationRecordFlag.IMPORTNAME"/></remarks>
+#if NET48
         public ImportNameRelocationRecord ImportNameRelocationRecord;
+#else
+        public ImportNameRelocationRecord? ImportNameRelocationRecord;
+#endif
 
         /// <summary>
         /// IMPORTORDINAL
         /// </summary>
         /// <remarks>Must be <c>NULL</c> if <see cref="Flags"/> is not set to <see cref="RelocationRecordFlag.IMPORTORDINAL"/></remarks>
+#if NET48
         public ImportOrdinalRelocationRecord ImportOrdinalRelocationRecord;
+#else
+        public ImportOrdinalRelocationRecord? ImportOrdinalRelocationRecord;
+#endif
 
         /// <summary>
         /// IMPORTORDINAL
         /// </summary>
         /// <remarks>Must be <c>NULL</c> if <see cref="Flags"/> is not set to <see cref="RelocationRecordFlag.OSFIXUP"/></remarks>
+#if NET48
         public OSFixupRelocationRecord OSFixupRelocationRecord;
+#else
+        public OSFixupRelocationRecord? OSFixupRelocationRecord;
+#endif
     }
 }

NewExecutable/ResidentNameTableEntry.cs

@@ -22,7 +22,11 @@ namespace SabreTools.Models.NewExecutable
         /// <summary>
         /// ASCII text of the name string.
         /// </summary>
+#if NET48
         public byte[] NameString;
+#else
+        public byte[]? NameString;
+#endif
 
         /// <summary>
         /// Ordinal number (index into entry table). This value is ignored

NewExecutable/ResourceTable.cs

@@ -25,12 +25,20 @@ namespace SabreTools.Models.NewExecutable
         /// <summary>
         /// A table of resource type information blocks follows.
         /// </summary>
+#if NET48
         public ResourceTypeInformationEntry[] ResourceTypes;
+#else
+        public ResourceTypeInformationEntry[]? ResourceTypes;
+#endif
 
         /// <summary>
         /// Resource type and name strings are stored at the end of the
         /// resource table.
         /// </summary>
+#if NET48
         public Dictionary<ushort, ResourceTypeAndNameString> TypeAndNameStrings;
+#else
+        public Dictionary<ushort, ResourceTypeAndNameString?>? TypeAndNameStrings;
+#endif
     }
 }

NewExecutable/ResourceTypeAndNameString.cs

@@ -21,6 +21,10 @@ namespace SabreTools.Models.NewExecutable
         /// <summary>
         /// ASCII text of the type or name string.
         /// </summary>
+#if NET48
         public byte[] Text;
+#else
+        public byte[]? Text;
+#endif
     }
 }

NewExecutable/ResourceTypeInformationEntry.cs

@@ -32,6 +32,10 @@ namespace SabreTools.Models.NewExecutable
         /// <summary>
         /// A table of resources for this type follows.
         /// </summary>
+#if NET48
         public ResourceTypeResourceEntry[] Resources;
+#else
+        public ResourceTypeResourceEntry[]? Resources;
+#endif
     }
 }