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-rw-r--r--usr.sbin/kbdcontrol/kbdcontrol.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/usr.sbin/kbdcontrol/kbdcontrol.c b/usr.sbin/kbdcontrol/kbdcontrol.c
index 287b266..577d919 100644
--- a/usr.sbin/kbdcontrol/kbdcontrol.c
+++ b/usr.sbin/kbdcontrol/kbdcontrol.c
@@ -44,16 +44,12 @@ static const char rcsid[] =
#include "lex.h"
/*
- * PASTE and CONS_CLRHIST are't defined in 4.x, but we need them to
- * bridge to 5.0-current so define them here as a stop gap transition
- * measure.
+ * PASTE isn't defined in 4.x, but we need it to bridge to 5.0-current
+ * so define it here as a stop gap transition measure.
*/
#ifndef PASTE
#define PASTE 0xa3 /* paste from cut-paste buffer */
#endif
-#ifndef CONS_CLRHIST
-#define CONS_CLRHIST _IO('c', 10)
-#endif
char ctrl_names[32][4] = {
"nul", "soh", "stx", "etx", "eot", "enq", "ack", "bel",
@@ -988,8 +984,12 @@ void
clear_history()
{
+#ifdef CONS_CLRHIST
if (ioctl(0, CONS_CLRHIST) == -1)
warn("clear history buffer");
+#else
+ warnx("clearing history not supported");
+#endif
}
static char
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