Pass hostname length to SharedDnsResolverCallbackAsync

Author: neon-nyan

SharedStatic.cs

@@ -42,7 +42,7 @@ namespace Hi3Helper.Plugin.Core;
 /// <param name="hostname">[In] A hostname to query the A/AAAA record to.</param>
 /// <param name="cancelCallback">[Out] A callback in which invoked, will be cancelling the async operation of the resolver.</param>
 /// <returns>A pointer to <see cref="ComAsyncResult"/> in which returns the pointer (<see cref="nint"/>) of the <see cref="DnsARecordResult"/> struct.</returns>
-public unsafe delegate nint SharedDnsResolverCallbackAsync(char* hostname, void** cancelCallback);
+public unsafe delegate nint SharedDnsResolverCallbackAsync(char* hostname, int hostnameLength, void** cancelCallback);
 
 /// <summary>
 /// An action delegate. This is equivalent to <see cref="Action"/> delegate.

Utility/PluginHttpClientBuilder.cs

@@ -432,7 +432,7 @@ unsafe nint GetAsyncResultPointer(out VoidCallback cancelTriggerCallback)
             // Get the pointer of the string to pass it into the callback, then get the pointer of the cancel callback.
             char* hostP           = host.GetPinnableStringPointer();
             void* cancelCallbackP = null;
-            nint  asyncResultP    = SharedStatic.InstanceDnsResolverCallbackAsync(hostP, &cancelCallbackP);
+            nint  asyncResultP    = SharedStatic.InstanceDnsResolverCallbackAsync(hostP, host.Length, &cancelCallbackP);
 
             // SANITY: Throw if both pointer to ComAsyncResult and cancel callback are null.
             if (asyncResultP == 0)