1 files changed, 100 insertions, 0 deletions
diff --git a/usr/src/cmd/zpool/zpool_util.c b/usr/src/cmd/zpool/zpool_util.c
new file mode 100644
index 0000000000..a9e7bb600c
--- /dev/null
+++ b/usr/src/cmd/zpool/zpool_util.c
@@ -0,0 +1,100 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License, Version 1.0 only
+ * (the "License").  You may not use this file except in compliance
+ * with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#pragma ident	"%Z%%M%	%I%	%E% SMI"
+
+#include <errno.h>
+#include <libgen.h>
+#include <libintl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <strings.h>
+
+#include "zpool_util.h"
+
+/*
+ * Utility function to guarantee malloc() success.
+ */
+void *
+safe_malloc(size_t size)
+{
+	void *data;
+
+	if ((data = calloc(1, size)) == NULL) {
+		(void) fprintf(stderr, "internal error: out of memory\n");
+		exit(1);
+	}
+
+	return (data);
+}
+
+/*
+ * Same as above, but for strdup()
+ */
+char *
+safe_strdup(const char *str)
+{
+	char *ret;
+
+	if ((ret = strdup(str)) == NULL) {
+		(void) fprintf(stderr, "internal error: out of memory\n");
+		exit(1);
+	}
+
+	return (ret);
+}
+
+/*
+ * Display an out of memory error message and abort the current program.
+ */
+void
+no_memory(void)
+{
+	assert(errno == ENOMEM);
+	(void) fprintf(stderr,
+	    gettext("internal error: out of memory\n"));
+	exit(1);
+}
+
+/*
+ * Given a vdev, return the name to display in iostat.  If the vdev has a path,
+ * we use that, stripping off any leading "/dev/dsk/"; if not, we use the type.
+ */
+const char *
+vdev_get_name(nvlist_t *nv)
+{
+	char *path, *type;
+
+	if (nvlist_lookup_string(nv, ZPOOL_CONFIG_PATH, &path) == 0) {
+		if (strncmp(path, "/dev/dsk/", 9) == 0)
+			return (path + 9);
+		return (path);
+	}
+
+	verify(nvlist_lookup_string(nv, ZPOOL_CONFIG_TYPE, &type) == 0);
+
+	return (type);
+}