/* * file.h - definitions for file(1) program # @(#)$Header: /cvsroot/src/usr.bin/file/Attic/file.h,v 1.1.1.1 1993/03/21 09:45:37 cgd Exp $ * * Copyright (c) Ian F. Darwin, 1987. * Written by Ian F. Darwin. * * This software is not subject to any license of the American Telephone * and Telegraph Company or of the Regents of the University of California. * * Permission is granted to anyone to use this software for any purpose on * any computer system, and to alter it and redistribute it freely, subject * to the following restrictions: * * 1. The author is not responsible for the consequences of use of this * software, no matter how awful, even if they arise from flaws in it. * * 2. The origin of this software must not be misrepresented, either by * explicit claim or by omission. Since few users ever read sources, * credits must appear in the documentation. * * 3. Altered versions must be plainly marked as such, and must not be * misrepresented as being the original software. Since few users * ever read sources, credits must appear in the documentation. * * 4. This notice may not be removed or altered. */ #define HOWMANY 1024 /* how much of the file to look at */ #define MAXMAGIS 250 /* max entries in /etc/magic */ #define MAXDESC 50 /* max leng of text description */ #define MAXstring 32 /* max leng of "string" types */ #define ckfputs(str,fil) {if (fputs(str,fil)==EOF) error(ckfmsg,"");} struct magic { short contflag; /* 1 if '>0' appears */ long offset; /* offset to magic number */ char reln; /* relation (0=eq, '>'=gt, etc) */ char type; /* int, short, long or string. */ char vallen; /* length of string value, if any */ #define BYTE 1 #define SHORT 2 #define LONG 4 #define STRING 5 union VALUETYPE { char b; short h; long l; char s[MAXstring]; } value; /* either number or string */ char desc[MAXDESC]; /* description */ }; extern void error(), exit();