This commit was generated by cvs2svn to compensate for changes in r23291,

which included commits to RCS files with non-trunk default branches.

1 files changed, 77 insertions, 0 deletions

diff --git a/lib/libc/gen/getvfsbyname.c b/lib/libc/gen/getvfsbyname.c
new file mode 100644
index 0000000..9818bae
--- /dev/null
+++ b/lib/libc/gen/getvfsbyname.c
@@ -0,0 +1,77 @@
+/*
+ * Copyright (c) 1995
+ *	The Regents of the University of California.  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 the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
+ */
+
+#ifndef lint
+static char sccsid[] = "@(#)kvm_getvfsbyname.c	8.1 (Berkeley) 4/3/95";
+#endif /* not lint */
+
+#include <sys/param.h>
+#include <sys/mount.h>
+#include <sys/sysctl.h>
+#include <errno.h>
+#include <kvm.h>
+
+int getvfsbyname __P((const char *, struct vfsconf *));
+
+/*
+ * Given a filesystem name, determine if it is resident in the kernel,
+ * and if it is resident, return its vfsconf structure.
+ */
+getvfsbyname(fsname, vfcp)
+	const char *fsname;
+	struct vfsconf *vfcp;
+{
+	int name[4], maxtypenum, cnt;
+	size_t buflen;
+
+	name[0] = CTL_VFS;
+	name[1] = VFS_GENERIC;
+	name[2] = VFS_MAXTYPENUM;
+	buflen = 4;
+	if (sysctl(name, 3, &maxtypenum, &buflen, (void *)0, (size_t)0) < 0)
+		return (-1);
+	name[2] = VFS_CONF;
+	buflen = sizeof *vfcp;
+	for (cnt = 0; cnt < maxtypenum; cnt++) {
+		name[3] = cnt;
+		if (sysctl(name, 4, vfcp, &buflen, (void *)0, (size_t)0) < 0) {
+			if (errno != EOPNOTSUPP)
+				return (-1);
+			continue;
+		}
+		if (!strcmp(fsname, vfcp->vfc_name))
+			return (0);
+	}
+	errno = ENOENT;
+	return (-1);
+}