Implement irc_try_write()

src/kike.c

@@ -456,7 +456,27 @@ irc_try_read_ssl (struct connection *conn)
 static bool
 irc_try_write (struct connection *conn)
 {
-	// TODO
+	struct str *buf = &conn->write_buffer;
+	ssize_t n_written;
+
+	while (buf->len)
+	{
+		n_written = send (conn->socket_fd, buf->str, buf->len, 0);
+		if (n_written >= 0)
+		{
+			str_remove_slice (buf, 0, n_written);
+			continue;
+		}
+
+		if (errno == EAGAIN)
+			return true;
+		if (errno == EINTR)
+			continue;
+
+		print_debug ("%s: %s: %s", __func__, "send", strerror (errno));
+		connection_kill (conn, strerror (errno));
+		return false;
+	}
 	return true;
 }