X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~mdw/git/disorder/blobdiff_plain/3c499fe72ea3c8527663a4fb7df9f6d627fc42b7..1a3dba678a4edf1df3d7de2cc29f8e32d6fea080:/lib/configuration.h?ds=sidebyside

diff --git a/lib/configuration.h b/lib/configuration.h
index a06524c..4b22fdb 100644
--- a/lib/configuration.h
+++ b/lib/configuration.h
@@ -183,6 +183,8 @@ struct config {
    * BACKEND_NETWORK.
    */
   int api;
+
+/* These values had better be non-negative */
 #define BACKEND_ALSA 0			/**< Use ALSA (Linux only) */
 #define BACKEND_COMMAND 1		/**< Execute a command */
 #define BACKEND_NETWORK 2		/**< Transmit RTP  */