trying to fix Unix stat

code/Infrastructure/Verticals/DownloadClient/QBittorrent/QBitService.cs

@@ -327,7 +327,16 @@ public class QBitService : DownloadService, IQBitService
                     return;
                 }
 
-                if (_hardlinkFileService.GetHardLinkCount(file.Name) > 1)
+                ulong hardlinkCount = _hardlinkFileService.GetHardLinkCount(file.Name);
+
+                if (hardlinkCount is 0)
+                {
+                    _logger.LogDebug("skip | could not get file properties | {name}", download.Name);
+                    hasHardlinks = true;
+                    break;
+                }
+
+                if (hardlinkCount > 1)
                 {
                     hasHardlinks = true;
                 };

code/Infrastructure/Verticals/Files/HardlinkFileService.cs

@@ -13,7 +13,7 @@ public class HardlinkFileService : IHardlinkFileService
         _logger = logger;
     }
     
-    public uint GetHardLinkCount(string filePath)
+    public ulong GetHardLinkCount(string filePath)
     {
         if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
         {
@@ -63,11 +63,11 @@ public class HardlinkFileService : IHardlinkFileService
         public uint FileIndexLow;
     }
 
-    private uint GetUnixHardLinkCount(string filePath)
+    private ulong GetUnixHardLinkCount(string filePath)
     {
         try
         {
-            if (stat64(filePath, out Stat stat) == 0)
+            if (HardlinkFileService.stat(filePath, out StatStruct stat) == 0)
             {
                 return stat.st_nlink;
             }
@@ -81,19 +81,15 @@ public class HardlinkFileService : IHardlinkFileService
         return 0;
     }
 
-    [DllImport("libc", SetLastError = true)]
-    private static extern int stat64(string path, out Stat stat);
-
     [StructLayout(LayoutKind.Sequential)]
-    private struct Stat
+    private struct StatStruct
     {
-        public uint st_dev;
+        public ulong st_dev;     // Device ID
-        public ulong st_ino;
+        public ulong st_ino;     // Inode number
-        public uint st_mode;
+        public ulong st_nlink;   // Number of hard links
-        public uint st_nlink; // Hard link count
+        // Additional fields are omitted for brevity
-        public uint st_uid;
-        public uint st_gid;
-        public uint st_rdev;
-        public long st_size;
     }
+
+    [DllImport("libc", SetLastError = true, CharSet = CharSet.Auto)]
+    private static extern int stat(string path, out StatStruct stat);
 }

code/Infrastructure/Verticals/Files/IHardlinkFileService.cs

@@ -2,5 +2,5 @@
 
 public interface IHardlinkFileService
 {
-    uint GetHardLinkCount(string filePath);
+    ulong GetHardLinkCount(string filePath);
 }