/*      $NetBSD: extern.h,v 1.20 2022/11/17 06:40:39 chs Exp $  */

/*
 * Copyright (c) 1997 Christos Zoulas.  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 ``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 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.
 */

/* prototypes */
void mkfs(const char *, int, int, mode_t, uid_t, gid_t);

/* * variables set up by front end. */
extern int      mfs;            /* run as the memory based filesystem */
extern int      Nflag;          /* run mkfs without writing file system */
extern int      Oflag;          /* format as an 4.3BSD file system */
extern int      eaflag;         /* use UFS2ea fs_magic */
extern int      verbosity;      /* amount of printf() output */
extern int64_t  fssize;         /* file system size */
extern int      sectorsize;     /* bytes/sector */
extern int      rpm;            /* revolutions/minute of drive */
extern int      fsize;          /* fragment size */
extern int      bsize;          /* block size */
extern int      maxbsize;
extern int      cpg;            /* cylinders/cylinder group */
extern int      cpgflg;         /* cylinders/cylinder group flag was given */
extern int      minfree;        /* free space threshold */
extern int      opt;            /* optimization preference (space or time) */
extern int      density;        /* number of bytes per inode */
extern int      num_inodes;     /* number of inodes (overrides density) */
extern int      maxcontig;      /* max contiguous blocks to allocate */
extern int      maxbpg;         /* maximum blocks per file in a cyl group */
extern int      maxblkspercg;
extern int      nrpos;          /* # of distinguished rotational positions */
extern int      avgfilesize;    /* expected average file size */
extern int      avgfpdir;       /* expected number of files per directory */
extern u_long   memleft;        /* virtual memory available */
extern caddr_t  membase;        /* start address of memory based filesystem */
extern int      quotas;         /* filesystem quota to enable */

#ifndef NO_FFS_EI
extern int      needswap;       /* Filesystem not in native byte order */
#else
/* Disable Endian-Independent FFS support for install media */
#define         needswap                (0)
#define         ffs_cg_swap(a, b, c)    __nothing
#define         ffs_csum_swap(a, b, c)  __nothing
#define         ffs_dinode1_swap(a, b)  __nothing
#define         ffs_sb_swap(a, b)       __nothing
#endif

#ifndef NO_APPLE_UFS
extern int      isappleufs; /* Filesystem is Apple UFS */
extern char     *appleufs_volname;      /* Apple UFS volume name */
#else
/* Disable Apple UFS support for install media */
#define         isappleufs              (0)
#endif

#ifdef NO_IOBUF_ALIGNED
#define aligned_alloc(align, size)      malloc((size))
#endif