xref: /freebsd/usr.bin/hexdump/hexdump.h (revision 06c3fb2749bda94cb5201f81ffdb8fa6c3161b2e)
1 /*-
2  * SPDX-License-Identifier: BSD-3-Clause
3  *
4  * Copyright (c) 1989, 1993
5  *	The Regents of the University of California.  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  * 3. Neither the name of the University nor the names of its contributors
16  *    may be used to endorse or promote products derived from this software
17  *    without specific prior written permission.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29  * SUCH DAMAGE.
30  */
31 
32 #include <wchar.h>
33 
34 typedef struct _pr {
35 	struct _pr *nextpr;		/* next print unit */
36 #define	F_ADDRESS	0x001		/* print offset */
37 #define	F_BPAD		0x002		/* blank pad */
38 #define	F_C		0x004		/* %_c */
39 #define	F_CHAR		0x008		/* %c */
40 #define	F_DBL		0x010		/* %[EefGf] */
41 #define	F_INT		0x020		/* %[di] */
42 #define	F_P		0x040		/* %_p */
43 #define	F_STR		0x080		/* %s */
44 #define	F_U		0x100		/* %_u */
45 #define	F_UINT		0x200		/* %[ouXx] */
46 #define	F_TEXT		0x400		/* no conversions */
47 	u_int flags;			/* flag values */
48 	int bcnt;			/* byte count */
49 	char *cchar;			/* conversion character */
50 	char *fmt;			/* printf format */
51 	char *nospace;			/* no whitespace version */
52 	int mbleft;			/* bytes left of multibyte char. */
53 	mbstate_t mbstate;		/* conversion state */
54 } PR;
55 
56 typedef struct _fu {
57 	struct _fu *nextfu;		/* next format unit */
58 	struct _pr *nextpr;		/* next print unit */
59 #define	F_IGNORE	0x01		/* %_A */
60 #define	F_SETREP	0x02		/* rep count set, not default */
61 	u_int flags;			/* flag values */
62 	int reps;			/* repetition count */
63 	int bcnt;			/* byte count */
64 	char *fmt;			/* format string */
65 } FU;
66 
67 typedef struct _fs {			/* format strings */
68 	struct _fs *nextfs;		/* linked list of format strings */
69 	struct _fu *nextfu;		/* linked list of format units */
70 	int bcnt;
71 } FS;
72 
73 extern FS *fshead;			/* head of format strings list */
74 extern FU *endfu;			/* format at end-of-data */
75 extern int blocksize;			/* data block size */
76 extern int exitval;			/* final exit value */
77 extern int odmode;			/* are we acting as od(1)? */
78 extern int length;			/* amount of data to read */
79 extern off_t skip;			/* amount of data to skip at start */
80 enum _vflag { ALL, DUP, FIRST, WAIT };	/* -v values */
81 extern enum _vflag vflag;
82 
83 void	 add(const char *);
84 void	 addfile(const char *);
85 void	 badcnt(const char *);
86 void	 badconv(const char *);
87 void	 badfmt(const char *);
88 void	 badnoconv(void);
89 void	 badsfmt(void);
90 void	 bpad(PR *);
91 void	 conv_c(PR *, u_char *, size_t);
92 void	 conv_u(PR *, u_char *);
93 void	 display(void);
94 void	 doskip(const char *, int);
95 void	 escape(char *);
96 u_char	*get(void);
97 void	 newsyntax(int, char ***);
98 int	 next(char **);
99 void	 nomem(void);
100 void	 oldsyntax(int, char ***);
101 size_t	 peek(u_char *, size_t);
102 void	 rewrite(FS *);
103 int	 size(FS *);
104 void	 usage(void);
105