1 files changed, 99 insertions, 0 deletions
diff --git a/adv_cmds/lsvfs/lsvfs.c b/adv_cmds/lsvfs/lsvfs.c
new file mode 100644
index 0000000..73f4135
--- /dev/null
+++ b/adv_cmds/lsvfs/lsvfs.c
@@ -0,0 +1,99 @@
+/*
+ * Copyright (c) 1998-2003 Apple Computer, Inc. All rights reserved.
+ *
+ * @APPLE_LICENSE_HEADER_START@
+ * 
+ * The contents of this file constitute Original Code as defined in and
+ * are subject to the Apple Public Source License Version 1.1 (the
+ * "License").  You may not use this file except in compliance with the
+ * License.  Please obtain a copy of the License at
+ * http://www.apple.com/publicsource and read it before using this file.
+ * 
+ * This Original Code and all software distributed under the License are
+ * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
+ * License for the specific language governing rights and limitations
+ * under the License.
+ * 
+ * @APPLE_LICENSE_HEADER_END@
+ */
+
+#include <sys/mount.h>
+#include <sys/types.h>
+#include <sys/sysctl.h>
+
+#include <err.h>
+#include <errno.h>
+#include <stdio.h>
+#include <string.h>
+
+#define FMT "%-32.32s %5d %s\n"
+#define HDRFMT "%-32.32s %5.5s %s\n"
+#define DASHES "-------------------------------- ----- ---------------\n"
+
+static const char *fmt_flags(int flags);
+
+int
+main(int argc, char *argv[])
+{
+	struct vfsconf vfc;
+	int mib[4], max, x;
+	size_t len;
+
+	printf(HDRFMT, "Filesystem", "Refs", "Flags");
+	fputs(DASHES, stdout);
+
+	if (argc > 1) {
+		for (x = 1; x < argc; x++)
+			if (getvfsbyname(argv[x], &vfc) == 0)
+				printf(FMT, vfc.vfc_name, vfc.vfc_refcount,
+				    fmt_flags(vfc.vfc_flags));
+			else
+				warnx("VFS %s unknown or not loaded", argv[x]);
+	} else {
+		mib[0] = CTL_VFS;
+		mib[1] = VFS_GENERIC;
+		mib[2] = VFS_MAXTYPENUM;
+		len  = sizeof(int);
+		if (sysctl(mib, 3, &max, &len, NULL, 0) != 0)
+			errx(1, "sysctl");
+		mib[2] = VFS_CONF;
+
+		len = sizeof(vfc);
+		for (x = 0; x < max; x++) {
+			mib[3] = x;
+			if (sysctl(mib, 4, &vfc, &len, NULL, 0) != 0) {
+				if (errno != ENOTSUP)
+					errx(1, "sysctl");
+			} else {
+				printf(FMT, vfc.vfc_name, vfc.vfc_refcount,
+				    fmt_flags(vfc.vfc_flags));
+			}
+		}
+	}
+
+	return 0;
+}
+
+static const char *
+fmt_flags(int flags)
+{
+	static char buf[sizeof "local, dovolfs"];
+	int comma = 0;
+
+	buf[0] = '\0';
+
+        if(flags & MNT_LOCAL) {
+                if(comma++) strcat(buf, ", ");
+                strcat(buf, "local");
+        }
+
+	if(flags & MNT_DOVOLFS) {
+		if(comma++) strcat(buf, ", ");
+		strcat(buf, "dovolfs");
+	}
+
+	return buf;
+}