Add an example to show how to print with a rump ulpt driver.

share/examples/rump/ulptprint/Makefile

@@ -0,0 +1,14 @@
+#	$NetBSD: Makefile,v 1.1 2009/12/15 16:01:50 pooka Exp $
+#
+
+PROG=	ulptprint
+
+LDADD+=	-lrumpvfs -lrumpdev_usb -lrumpdev_usbhc -lrumpdev_ulpt -lrumpdev
+LDADD+=	-lrump
+LDADD+=	-lrumpuser -lpthread
+
+DBG=	-g
+NOMAN=	
+WARNS=	4
+
+.include <bsd.prog.mk>

share/examples/rump/ulptprint/ulptprint.c

@@ -0,0 +1,90 @@
+/*	$NetBSD: ulptprint.c,v 1.1 2009/12/15 16:01:50 pooka Exp $	*/
+
+/*
+ * Copyright (c) 2009 Antti Kantee.  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.
+ *
+ * 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 OR CONTRIBUTORS 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/types.h>
+#include <sys/dirent.h>
+#include <sys/mount.h>
+
+#include <rump/rump.h>
+#include <rump/rump_syscalls.h>
+
+#include <err.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+/*
+ * Proof-of-concept program:
+ *
+ * Prints given (postscript) file by "catting" into the printer.
+ */
+
+int
+main(int argc, char *argv[])
+{
+	char buf[8192];
+	ssize_t n;
+	int probeonly = 0;
+	int fd_src, fd_dst;
+
+	if (argc != 2)
+		errx(1, "need 2 args");
+
+	if (strcmp(argv[1], "probe") == 0)
+		probeonly = 1;
+
+	if (probeonly)
+		rump_boot_sethowto(RUMP_AB_VERBOSE);
+	rump_init();
+	if (probeonly)
+		exit(0);
+
+	fd_dst = rump_sys_open("/dev/ulpt0", O_RDWR);
+	if (fd_dst == -1)
+		err(1, "printer open");
+
+	fd_src = open(argv[1], O_RDONLY);
+	if (fd_src == -1)
+		err(1, "open source");
+
+	for (;;) {
+		n = read(fd_src, buf, sizeof(buf));
+		if (n == 0)
+			break;
+		if (n == -1)
+			err(1, "read");
+
+		if (rump_sys_write(fd_dst, buf, n) != n)
+			err(1, "write to printer");
+	}
+	rump_sys_close(fd_dst);
+
+	printf("done\n");
+}