vendor ENet

vendor/ENet/win32.odin

@@ -0,0 +1,81 @@
+//+build windows
+package ENet
+
+// When we implement the appropriate bindings for Windows, the section separated
+// by `{` and `}` here can be removed in favor of using the bindings.
+// {
+foreign WinSock2 import "system:Ws2_32.lib"
+
+@(private="file", default_calling_convention="c")
+foreign WinSock2 {
+	__WSAFDIsSet :: proc(fd: SOCKET, s: ^fd_set) -> i32 ---
+}
+
+@(private="file") SOCKET :: uintptr
+
+@(private="file") FD_SETSIZE :: 64
+
+@(private="file") fs_set :: struct {
+	fd_count: u32,
+	fd_array: [FD_SETSIZE]SOCKET,
+}
+
+@(private="file") FD_CLR :: proc(fd: SOCKET, s: ^fd_set) {
+	for i := u32(0); i < s.fd_count; i += 1 {
+		if s.fd_array[i] == fd {
+			for i < s.fd_count - 1 {
+				s.fd_array[i] = s.fd_array[i + 1]
+				i += 1
+			}
+			s.fd_count -= 1
+			break
+		}
+	}
+}
+
+@(private="file") FD_SET :: proc(fd: SOCKET, s: ^fd_set) {
+	for i := u32(0); i < s.fd_count; i += 1 {
+		if s.fd_array[i] == fd {
+			return
+		}
+	}
+	if s.fd_count >= FD_SETSIZE do return
+	s.fd_array[s.fd_count] = fd
+	s.fd_count += 1
+}
+
+@(private="file") FD_ZERO proc #force_inline (s: ^fd_set) {
+	s.fd_count = 0
+}
+
+@(private="file") FD_ISSET proc #force_inline (fd: SOCKET, s: ^fd_set) -> bool {
+	return __WSAFDIsSet(fd, s) != 0
+}
+// }
+
+Socket :: distinct Socket
+
+SOCKET_NULL :: Socket(~0)
+
+Buffer :: struct {
+	data:       rawptr,
+	dataLength: uint,
+}
+
+SocketSet :: distinct fd_set
+
+SOCKETSET_EMPTY :: #force_inline proc(sockset: ^SocketSet) {
+	FD_ZERO(cast(^fd_set)sockset)
+}
+
+SOCKETSET_ADD :: #force_inline proc(sockset: ^SocketSet, socket: Socket) {
+	FD_SET(i32(socket), cast(^fd_set)sockset)
+}
+
+SOCKETSET_REMOVE :: #force_inline proc(sockset: ^SocketSet, socket: Socket) {
+	FD_CLR(i32(socket), cast(^fd_set)sockset)
+}
+
+SOCKSET_CHECK :: #force_inline proc(sockset: ^SocketSet, socket: Socket) -> bool {
+	return FD_ISSET(i32(socket), cast(^fd_set)sockset)
+}