/*
 * file.h - definitions for file(1) program
 # @(#)$Header: file.h,v 1.4 87/09/18 10:56:09 ian 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.
 */

#ifndef HG_DOCMAN_FILE_H
#define HG_DOCMAN_FILE_H


#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,"");}

union VALUETYPE 
{
        char b;
        short h;
        long l;
        char s[MAXstring];
} ;


struct MagicStruct 
{
    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_SIZE   1
#define             SHORT_SIZE  2
#define             LONG_SIZE   4
#define             STRING      5
    VALUETYPE value;        /* either number or string */
    char desc[MAXDESC]; /* description */
};

extern void error();

#endif