cmdline: add an opaque pointer in cmdline

this pointer is never modified by lib, it can be modified by the user
to store some interresting value.

Signed-off-by: Olivier Matz <zer0@droids-corp.org>

diff --git a/src/lib/cmdline.h b/src/lib/cmdline.h
index 20321e8..7bed651 100644 (file)
--- a/src/lib/cmdline.h
+++ b/src/lib/cmdline.h
@@ -73,6 +73,7 @@ struct cmdline {
 #ifdef CMDLINE_TERMIOS
        struct termios oldterm;
 #endif
+       void *opaque;
 };
 
 /**