1 /* $NetBSD: extern.h,v 1.19 2020/04/18 12:54:38 jdolecek 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 */ 28 void mkfs(const char *, int, int, mode_t, uid_t, gid_t); 29 30 /* * variables set up by front end. */ 31 extern int mfs; /* run as the memory based filesystem */ 32 extern int Nflag; /* run mkfs without writing file system */ 33 extern int Oflag; /* format as an 4.3BSD file system */ 34 extern int verbosity; /* amount of printf() output */ 35 extern int64_t fssize; /* file system size */ 36 extern int sectorsize; /* bytes/sector */ 37 extern int rpm; /* revolutions/minute of drive */ 38 extern int fsize; /* fragment size */ 39 extern int bsize; /* block size */ 40 extern int maxbsize; 41 extern int cpg; /* cylinders/cylinder group */ 42 extern int cpgflg; /* cylinders/cylinder group flag was given */ 43 extern int minfree; /* free space threshold */ 44 extern int opt; /* optimization preference (space or time) */ 45 extern int density; /* number of bytes per inode */ 46 extern int num_inodes; /* number of inodes (overrides density) */ 47 extern int maxcontig; /* max contiguous blocks to allocate */ 48 extern int maxbpg; /* maximum blocks per file in a cyl group */ 49 extern int maxblkspercg; 50 extern int nrpos; /* # of distinguished rotational positions */ 51 extern int avgfilesize; /* expected average file size */ 52 extern int avgfpdir; /* expected number of files per directory */ 53 extern u_long memleft; /* virtual memory available */ 54 extern caddr_t membase; /* start address of memory based filesystem */ 55 extern int quotas; /* filesystem quota to enable */ 56 57 #ifndef NO_FFS_EI 58 extern int needswap; /* Filesystem not in native byte order */ 59 #else 60 /* Disable Endian-Independent FFS support for install media */ 61 #define needswap (0) 62 #define ffs_cg_swap(a, b, c) __nothing 63 #define ffs_csum_swap(a, b, c) __nothing 64 #define ffs_dinode1_swap(a, b) __nothing 65 #define ffs_sb_swap(a, b) __nothing 66 #endif 67 68 #ifndef NO_APPLE_UFS 69 extern int isappleufs; /* Filesystem is Apple UFS */ 70 extern char *appleufs_volname; /* Apple UFS volume name */ 71 #else 72 /* Disable Apple UFS support for install media */ 73 #define isappleufs (0) 74 #endif 75 76 #ifdef NO_IOBUF_ALIGNED 77 #define aligned_alloc(align, size) malloc((size)) 78 #endif 79 80