GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: usr.bin/rdistd/filesys-os.c Lines: 0 29 0.0 %
Date: 2016-12-06 Branches: 0 10 0.0 %

Line Branch Exec Source
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/*	$OpenBSD: filesys-os.c,v 1.13 2015/01/20 09:00:16 guenther Exp $	*/
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/*
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 * Copyright (c) 1983 Regents of the University of California.
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 * All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 * 1. Redistributions of source code must retain the above copyright
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 *    notice, this list of conditions and the following disclaimer.
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 * 2. Redistributions in binary form must reproduce the above copyright
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 *    notice, this list of conditions and the following disclaimer in the
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 *    documentation and/or other materials provided with the distribution.
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 * 3. Neither the name of the University nor the names of its contributors
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 *    may be used to endorse or promote products derived from this software
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 *    without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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 * SUCH DAMAGE.
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 */
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#include <sys/types.h>
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#include <sys/mount.h>
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#include <stdlib.h>
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#include <string.h>
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#include "server.h"
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/*
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 * OS specific file system routines
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 */
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static struct statfs   *mnt = NULL;
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static int 		entries_left;
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/*
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 * getfsstat() version of get mount info routines.
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 */
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int
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setmountent(void)
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{
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	long size;
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	size = getfsstat(NULL, 0, MNT_WAIT);
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	if (size == -1)
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		return (0);
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	free(mnt);
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	size *= sizeof(struct statfs);
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	mnt = xmalloc(size);
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	entries_left = getfsstat(mnt, size, MNT_WAIT);
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	if (entries_left == -1)
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		return (0);
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	return (1);
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}
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/*
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 * getfsstat() version of getmountent()
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 */
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mntent_t *
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getmountent(void)
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{
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	static mntent_t mntstruct;
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	static char remote_dev[HOST_NAME_MAX+1 + PATH_MAX + 1];
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	if (!entries_left)
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		return (NULL);
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	memset(&mntstruct, 0, sizeof(mntstruct));
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	if (mnt->f_flags & MNT_RDONLY)
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		mntstruct.me_flags |= MEFLAG_READONLY;
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	if (strcmp(mnt->f_fstypename, "nfs") == 0) {
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		strlcpy(remote_dev, mnt->f_mntfromname, sizeof(remote_dev));
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		mntstruct.me_path = remote_dev;
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		mntstruct.me_flags |= MEFLAG_NFS;
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	} else
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		mntstruct.me_path = mnt->f_mntonname;
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	mnt++;
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	entries_left--;
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	return (&mntstruct);
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}
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/*
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 * Done with iterations
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 */
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void
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endmountent(void)
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{
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	free(mnt);
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	mnt = NULL;
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}
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/*
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 * Make a new (copy) of a mntent structure.
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 */
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mntent_t *
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newmountent(const mntent_t *old)
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{
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	mntent_t *new;
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	new = xmalloc(sizeof *new);
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	new->me_path = xstrdup(old->me_path);
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	new->me_flags = old->me_flags;
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	return (new);
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}