...memmove, we meet again

Author: sliemeobn

Diff for: Examples/Embedded/Sources/EmbeddedApp/_thingsThatShouldNotBeNeeded.swift

@@ -16,3 +16,14 @@ func strlen(_ s: UnsafePointer<Int8>) -> Int {
     }
     return p - s
 }
+
+// TODO: why do I need this? and surely this is not ideal... figure this out, or at least have this come from a C lib
+@_cdecl("memmove")
+func memmove(_ dest: UnsafeMutableRawPointer, _ src: UnsafeRawPointer, _ n: Int) -> UnsafeMutableRawPointer {
+    let d = dest.assumingMemoryBound(to: UInt8.self)
+    let s = src.assumingMemoryBound(to: UInt8.self)
+    for i in 0..<n {
+        d[i] = s[i]
+    }
+    return dest
+}

Diff for: Examples/Embedded/Sources/EmbeddedApp/main.swift

@@ -3,16 +3,19 @@ import JavaScriptKit
 let alert = JSObject.global.alert.function!
 let document = JSObject.global.document
 
-print("Document title: \(document.title.string ?? "")")
+print("Hello from WASM, document title: \(document.title.string ?? "")")
+
+var count = 0
 
 var divElement = document.createElement("div")
-divElement.innerText = "Hello, world 2"
+divElement.innerText = .string("Count \(count)")
 _ = document.body.appendChild(divElement)
 
 var buttonElement = document.createElement("button")
-buttonElement.innerText = "Alert demo"
+buttonElement.innerText = "Click me"
 buttonElement.onclick = JSValue.object(JSClosure { _ in
-    divElement.innerText = "Hello, world 3"
+    count += 1    
+    divElement.innerText = .string("Count \(count)")
     return .undefined
 })