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Diffstat (limited to 'usr.bin/file/file.h')
| -rw-r--r-- | usr.bin/file/file.h | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/usr.bin/file/file.h b/usr.bin/file/file.h new file mode 100644 index 0000000000000..12d5c6f9571bc --- /dev/null +++ b/usr.bin/file/file.h @@ -0,0 +1,128 @@ +/* + * file.h - definitions for file(1) program + * @(#)$Id: file.h,v 1.19 1994/05/03 17:58:23 christos 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 8192 /* how much of the file to look at */ +#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 */ + short cont_level; /* level of ">" */ + struct { + char type; /* byte short long */ + long offset; /* offset from indirection */ + } in; + long 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; + unsigned long 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 */ + unsigned long 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 void tryit __P((unsigned char *, int, int)); +extern int zmagic __P((unsigned char *, int)); +extern void ckfprintf __P((FILE *, const char *, ...)); +extern unsigned long signextend __P((struct magic *, unsigned long)); + + + +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(__STDC__) || defined(sun) || defined(__sun__) || defined(__convex__) +extern int sys_nerr; +extern char *sys_errlist[]; +#define strerror(e) \ + (((e) >= 0 && (e) < sys_nerr) ? sys_errlist[(e)] : "Unknown error") +#endif + +#ifndef MAXPATHLEN +#define MAXPATHLEN 512 +#endif |