1 files changed, 67 insertions, 0 deletions
diff --git a/stand/common/devopen.c b/stand/common/devopen.c
new file mode 100644
index 0000000..de6165c
--- /dev/null
+++ b/stand/common/devopen.c
@@ -0,0 +1,67 @@
+/*-
+ * Copyright (c) 1998 Michael Smith <msmith@freebsd.org>
+ * 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 AND CONTRIBUTORS ``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/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <stand.h>
+#include <string.h>
+
+#include "bootstrap.h"
+
+int
+devopen(struct open_file *f, const char *fname, const char **file) 
+{
+	struct devdesc *dev;
+	int result;
+
+	result = archsw.arch_getdev((void **)&dev, fname, file);
+	if (result)
+		return (result);
+
+	/* point to device-specific data so that device open can use it */
+	f->f_devdata = dev;
+	result = dev->d_dev->dv_open(f, dev);
+	if (result != 0) {
+		f->f_devdata = NULL;
+		free(dev);
+		return (result);
+	}
+
+	/* reference the devsw entry from the open_file structure */
+	f->f_dev = dev->d_dev;
+	return (0);
+}
+
+int
+devclose(struct open_file *f)
+{
+
+	if (f->f_devdata != NULL) {
+		free(f->f_devdata);
+	}
+	return (0);
+}