1 /* $OpenBSD: extern.h,v 1.4 2016/03/14 20:30:34 natano Exp $ */ 2 /* $NetBSD: extern.h,v 1.4 2009/10/21 01:07:46 snj Exp $ */ 3 4 /* 5 * Copyright (c) 1997 Christos Zoulas. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 /* XXX should be in <sys/ufs/ext2fs.h> */ 29 #define EXT2_LOG_MAXBSIZE 12 30 #define EXT2_MAXBSIZE (1 << EXT2_LOG_MAXBSIZE) 31 32 #ifndef nitems 33 #define nitems(_a) (sizeof((_a)) / sizeof((_a)[0])) 34 #endif 35 36 /* prototypes */ 37 void mke2fs(const char *, int); 38 39 /* variables set up by front end. */ 40 extern int Nflag; /* run mkfs without writing file system */ 41 extern int Oflag; /* format as an 4.3BSD file system */ 42 extern int verbosity; /* amount of printf() output */ 43 extern int64_t fssize; /* file system size */ 44 extern uint16_t inodesize; /* bytes per inode */ 45 extern uint sectorsize; /* sector size */ 46 extern uint fsize; /* fragment size */ 47 extern uint bsize; /* block size */ 48 extern uint minfree; /* free space threshold */ 49 extern uint num_inodes; /* number of inodes (overrides density) */ 50 extern char *volname; /* volume name */ 51