1/* $NetBSD: extern.h,v 1.20 2022/11/17 06:40:39 chs Exp $ */ 2 3/* 4 * Copyright (c) 1997 Christos Zoulas. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27/* prototypes */ 28void mkfs(const char *, int, int, mode_t, uid_t, gid_t); 29 30/* * variables set up by front end. */ 31extern int mfs; /* run as the memory based filesystem */ 32extern int Nflag; /* run mkfs without writing file system */ 33extern int Oflag; /* format as an 4.3BSD file system */ 34extern int eaflag; /* use UFS2ea fs_magic */ 35extern int verbosity; /* amount of printf() output */ 36extern int64_t fssize; /* file system size */ 37extern int sectorsize; /* bytes/sector */ 38extern int rpm; /* revolutions/minute of drive */ 39extern int fsize; /* fragment size */ 40extern int bsize; /* block size */ 41extern int maxbsize; 42extern int cpg; /* cylinders/cylinder group */ 43extern int cpgflg; /* cylinders/cylinder group flag was given */ 44extern int minfree; /* free space threshold */ 45extern int opt; /* optimization preference (space or time) */ 46extern int density; /* number of bytes per inode */ 47extern int num_inodes; /* number of inodes (overrides density) */ 48extern int maxcontig; /* max contiguous blocks to allocate */ 49extern int maxbpg; /* maximum blocks per file in a cyl group */ 50extern int maxblkspercg; 51extern int nrpos; /* # of distinguished rotational positions */ 52extern int avgfilesize; /* expected average file size */ 53extern int avgfpdir; /* expected number of files per directory */ 54extern u_long memleft; /* virtual memory available */ 55extern caddr_t membase; /* start address of memory based filesystem */ 56extern int quotas; /* filesystem quota to enable */ 57 58#ifndef NO_FFS_EI 59extern int needswap; /* Filesystem not in native byte order */ 60#else 61/* Disable Endian-Independent FFS support for install media */ 62#define needswap (0) 63#define ffs_cg_swap(a, b, c) __nothing 64#define ffs_csum_swap(a, b, c) __nothing 65#define ffs_dinode1_swap(a, b) __nothing 66#define ffs_sb_swap(a, b) __nothing 67#endif 68 69#ifndef NO_APPLE_UFS 70extern int isappleufs; /* Filesystem is Apple UFS */ 71extern char *appleufs_volname; /* Apple UFS volume name */ 72#else 73/* Disable Apple UFS support for install media */ 74#define isappleufs (0) 75#endif 76 77#ifdef NO_IOBUF_ALIGNED 78#define aligned_alloc(align, size) malloc((size)) 79#endif 80 81