Add a function to free all of sysinstall's internal variables from the

environment.  This fixes an annoying bug where hitting Ctrl-C and
telling sysinstall to 'restart' will do no such thing since many of
the options are still set and so you won't be prompted for them
again.

MFC after:	1 week

1 files changed, 4 insertions, 1 deletions

diff --git a/usr.sbin/sade/system.c b/usr.sbin/sade/system.c
index 077cf82..0a1a040 100644
--- a/usr.sbin/sade/system.c
+++ b/usr.sbin/sade/system.c
@@ -56,7 +56,10 @@ intr_reboot(dialogMenuItem *self)
 static int
 intr_restart(dialogMenuItem *self)
 {
-    execl(StartName, StartName, (char *)NULL);
+    int ret;
+    free_variables();
+    ret = execl(StartName, StartName, (char *)NULL);
+    msgDebug("execl failed (%s)\n", strerror(errno));
     /* NOTREACHED */
     return -1;
 }