PR feedback

Author: chriso

README.md

@@ -9,7 +9,7 @@ and [stealthrocket/wasi-go](https://github.com/stealthrocket/wasi-go).
 ## Dialing
 
 The library will automatically configure the default HTTP transport
-to use the `Dial` function from this library
+to use the `Dial` function from this library.
 
 To make outbound HTTP connections you just need the following import somewhere:
 

lookup_wasip1.go

@@ -61,5 +61,5 @@ func lookupAddr(context, network, address string) (net.Addr, error) {
 			return &net.UDPAddr{IP: ip, Port: port}, nil
 		}
 	}
-	return nil, fmt.Errorf("lookup failed: %q", address)
+	return nil, &net.DNSError{Err: "lookup failed", Name: hostname, IsNotFound: true}
 }

lookup_wasip1_purego.go

@@ -71,5 +71,5 @@ func lookupAddr(context, network, address string) (net.Addr, error) {
 			}
 		}
 	}
-	return nil, fmt.Errorf("lookup failed: %q", address)
+	return nil, &net.DNSError{Err: "lookup failed", Name: hostname, IsNotFound: true}
 }

syscall/net_wasip1.go

@@ -117,30 +117,39 @@ type RawSockaddrAny struct {
 }
 
 //go:wasmimport wasi_snapshot_preview1 sock_open
+//go:noescape
 func sock_open(af int32, socktype int32, fd unsafe.Pointer) Errno
 
 //go:wasmimport wasi_snapshot_preview1 sock_bind
+//go:noescape
 func sock_bind(fd int32, addr unsafe.Pointer, port uint32) Errno
 
 //go:wasmimport wasi_snapshot_preview1 sock_listen
+//go:noescape
 func sock_listen(fd int32, backlog int32) Errno
 
 //go:wasmimport wasi_snapshot_preview1 sock_connect
+//go:noescape
 func sock_connect(fd int32, addr unsafe.Pointer, port uint32) Errno
 
 //go:wasmimport wasi_snapshot_preview1 sock_getsockopt
+//go:noescape
 func sock_getsockopt(fd int32, level uint32, name uint32, value unsafe.Pointer, valueLen uint32) Errno
 
 //go:wasmimport wasi_snapshot_preview1 sock_setsockopt
+//go:noescape
 func sock_setsockopt(fd int32, level uint32, name uint32, value unsafe.Pointer, valueLen uint32) Errno
 
 //go:wasmimport wasi_snapshot_preview1 sock_getlocaladdr
+//go:noescape
 func sock_getlocaladdr(fd int32, addr unsafe.Pointer, port unsafe.Pointer) Errno
 
 //go:wasmimport wasi_snapshot_preview1 sock_getpeeraddr
+//go:noescape
 func sock_getpeeraddr(fd int32, addr unsafe.Pointer, port unsafe.Pointer) Errno
 
 //go:wasmimport wasi_snapshot_preview1 sock_getaddrinfo
+//go:noescape
 func sock_getaddrinfo(
 	node unsafe.Pointer,
 	nodeLen uint32,