1 files changed, 106 insertions, 0 deletions
diff --git a/usr.sbin/lptcontrol/lptcontrol.c b/usr.sbin/lptcontrol/lptcontrol.c
new file mode 100644
index 0000000..62e5b85
--- /dev/null
+++ b/usr.sbin/lptcontrol/lptcontrol.c
@@ -0,0 +1,106 @@
+/*
+ * Copyright (c) 1994 Geoffrey M. Rehmet
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *      This product includes software developed by Geoffrey M. Rehmet
+ * 4. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <dev/ppbus/lptio.h>
+
+#include <err.h>
+#include <fcntl.h>
+#include <unistd.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#define DEFAULT_DEVICE	"/dev/lpt0.ctl"
+#define IRQ_UNSPECIFIED	-1
+#define DO_POLL		0
+#define USE_IRQ		1
+#define USE_EXT_MODE	2
+#define USE_STD_MODE	3
+
+static void usage(void)
+{
+	fprintf(stderr,
+		"usage: lptcontrol -e | -i | -p | -s [[-d] controldevice]\n");
+	exit(1);
+}
+
+int main (int argc, char **argv)
+{
+	const char *device;
+	int fd;
+	int irq_status;
+	int opt;
+
+	device = DEFAULT_DEVICE;
+	irq_status = IRQ_UNSPECIFIED;
+	while ((opt = getopt(argc, argv, "d:eips")) != -1)
+		switch (opt) {
+		case 'd':
+			device = optarg;
+			break;
+		case 'e':
+			irq_status = USE_EXT_MODE;
+			break;
+		case 'i':
+			irq_status = USE_IRQ;
+			break;
+		case 'p':
+			irq_status = DO_POLL;
+			break;
+		case 's':
+			irq_status = USE_STD_MODE;
+			break;
+		case '?':
+		default:
+			usage();
+			/* NOTREACHED */
+		}
+	argc -= optind;
+	argv += optind;
+	/* POLA: DTRT if -d was forgotten, but device name was specified. */
+	if (argc == 1) {
+		device = argv[0];
+		--argc;
+	}
+
+	if (irq_status == IRQ_UNSPECIFIED || argc != 0)
+		usage();
+
+	if ((fd = open(device, O_WRONLY)) < 0)
+		err(1, "open");
+	if (ioctl(fd, LPT_IRQ, &irq_status) < 0)
+		err(1, "ioctl");
+	close(fd);
+
+	return(0);
+}