/* * Copyright (c) 1999 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * Portions Copyright (c) 1999 Apple Computer, Inc. All Rights * Reserved. This file contains Original Code and/or Modifications of * Original Code as defined in and that are subject to the Apple Public * Source License Version 1.1 (the "License"). You may not use this file * except in compliance with the License. Please obtain a copy of the * License at http://www.apple.com/publicsource and read it before using * this file. * * The Original Code and all software distributed under the License are * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE OR NON- INFRINGEMENT. Please see the * License for the specific language governing rights and limitations * under the License. * * @APPLE_LICENSE_HEADER_END@ */ /* $OpenBSD: file.h,v 1.3 1997/02/09 23:58:23 millert Exp $ */ /* * file.h - definitions for file(1) program * * 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 __file_h__ #define __file_h__ typedef int32_t int32; typedef u_int32_t uint32; #ifndef HOWMANY # define HOWMANY 8192 /* how much of the file to look at */ #endif #define MAXMAGIS 1000 /* max entries in /etc/magic */ #define MAXDESC 50 /* max leng of text description */ #define MAXstring 32 /* max leng of "string" types */ struct magic { short flag; #define INDIR 1 /* if '>(...)' appears, */ #define UNSIGNED 2 /* comparison is unsigned */ #define ADD 4 /* if '>&' appears, */ short cont_level; /* level of ">" */ struct { char type; /* byte short long */ int32 offset; /* offset from indirection */ } in; int32 offset; /* offset to magic number */ unsigned 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 #define DATE 6 #define BESHORT 7 #define BELONG 8 #define BEDATE 9 #define LESHORT 10 #define LELONG 11 #define LEDATE 12 union VALUETYPE { unsigned char b; unsigned short h; uint32 l; char s[MAXstring]; unsigned char hs[2]; /* 2 bytes of a fixed-endian "short" */ unsigned char hl[4]; /* 2 bytes of a fixed-endian "long" */ } value; /* either number or string */ uint32 mask; /* mask before comparison with value */ char nospflag; /* supress space character */ char desc[MAXDESC]; /* description */ }; #include <stdio.h> /* Include that here, to make sure __P gets defined */ #ifndef __P # if __STDC__ || __cplusplus # define __P(a) a # else # define __P(a) () # define const # endif #endif extern int apprentice __P((char *, int)); extern int ascmagic __P((unsigned char *, int)); extern void error __P((const char *, ...)); extern void ckfputs __P((const char *, FILE *)); struct stat; extern int fsmagic __P((const char *, struct stat *)); extern int is_compress __P((const unsigned char *, int *)); extern int is_tar __P((unsigned char *, int)); extern void magwarn __P((const char *, ...)); extern void mdump __P((struct magic *)); extern void process __P((const char *, int)); extern void showstr __P((FILE *, const char *, int)); extern int softmagic __P((unsigned char *, int)); extern int tryit __P((unsigned char *, int, int)); extern int zmagic __P((unsigned char *, int)); extern void ckfprintf __P((FILE *, const char *, ...)); extern uint32 signextend __P((struct magic *, unsigned int32)); extern int internatmagic __P((unsigned char *, int)); extern void tryelf __P((int, char *, int)); extern void tryfat __P((const char *, int, char *, int)); extern int errno; /* Some unixes don't define this.. */ extern char *progname; /* the program name */ extern char *magicfile; /* name of the magic file */ extern int lineno; /* current line number in magic file */ extern struct magic *magic; /* array of magic entries */ extern int nmagic; /* number of valid magic[]s */ extern int debug; /* enable debugging? */ extern int zflag; /* process compressed files? */ extern int lflag; /* follow symbolic links? */ extern int optind; /* From getopt(3) */ extern char *optarg; #if defined(sun) || defined(__sun__) || defined (__sun) # if defined(__svr4) || defined (__SVR4) || defined(__svr4__) # define SOLARIS # else # define SUNOS # endif #endif #if !defined(__STDC__) || defined(SUNOS) || defined(__convex__) extern int sys_nerr; extern char *sys_errlist[]; #define strerror(e) \ (((e) >= 0 && (e) < sys_nerr) ? sys_errlist[(e)] : "Unknown error") #define strtoul(a, b, c) strtol(a, b, c) #endif #ifndef MAXPATHLEN #define MAXPATHLEN 512 #endif #endif /* __file_h__ */