Crash-Haertung: Delegat bei Programm-Sets abhaengen, send()-Pointer safe, Doku

Sources/RemminaMac/Services/PTYSession.swift

@@ -205,12 +205,13 @@ final class PTYSession: ObservableObject {
     func send(_ string: String) {
         let fd = masterFD
         guard fd >= 0 else { return }
-        guard let data = string.data(using: .utf8) else { return }
+        guard let data = string.data(using: .utf8), !data.isEmpty else { return }
         ioQueue.async {
             data.withUnsafeBytes { ptr in
+                guard let base = ptr.baseAddress else { return }
                 var written = 0
                 while written < data.count {
-                    let n = write(fd, ptr.baseAddress!.advanced(by: written), data.count - written)
+                    let n = write(fd, base.advanced(by: written), data.count - written)
                     if n <= 0 { break }
                     written += n
                 }

Sources/RemminaMac/Views/TerminalInputField.swift

@@ -38,10 +38,19 @@ struct TerminalInputField: NSViewRepresentable {
 
     func updateNSView(_ view: NSView, context: Context) {
         context.coordinator.onSubmit = onSubmit
-        if let f = view as? NSTextField, f.stringValue != text {
-            f.stringValue = text
+        // Delegat während Programm-Sets abhängen: sonst feuert textDidChange synchron
+        // zurück ins SwiftUI-State — mitten im Render -> Crash ("Modifying state
+        // during view update"). User-Tippen läuft weiter über den Delegaten.
+        if let f = view as? NSTextField {
+            if f.stringValue != text {
+                f.delegate = nil
+                f.stringValue = text
+                f.delegate = context.coordinator
+            }
         } else if let tv = view as? NSTextView, tv.string != text {
+            tv.delegate = nil
             tv.string = text
+            tv.delegate = context.coordinator
         }
     }