Split out termios modification

ksrpc-sockets/src/linuxX64Main/kotlin/TermiosUtil.linuxX64.kt

@@ -0,0 +1,8 @@
+package com.monkopedia.ksrpc.sockets
+
+import platform.posix.ICANON
+import platform.posix.termios
+
+actual fun termios.setICanon() {
+    c_lflag = c_lflag and ICANON.inv().toUInt()
+}

ksrpc-sockets/src/macosX64Main/kotlin/TermiosUtil.macosX64.kt

@@ -0,0 +1,9 @@
+package com.monkopedia.ksrpc.sockets
+
+import platform.posix.ICANON
+import platform.posix.termios
+
+actual fun termios.setICanon() {
+    c_lflag = c_lflag and ICANON.inv().toUInt()
+}
+

ksrpc-sockets/src/nativeMain/kotlin/TermiosUtil.kt

@@ -53,11 +53,13 @@ fun initTermios(fd: Int = STDIN_FILENO, old: CPointer<termios>) {
         val current = alloc<termios>().ptr
         tcgetattr(fd, old)
         memcpy(current, old, sizeOf<termios>().toULong())
-        current.pointed.c_lflag = current.pointed.c_lflag and ICANON.inv().toUInt()
+        current.pointed.setICanon()
         tcsetattr(fd, TCSANOW, current)
     }
 }
 
+expect fun termios.setICanon()
+
 fun resetTermios(fd: Int = STDIN_FILENO, old: CPointer<termios>) {
     tcsetattr(fd, TCSANOW, old)
 }