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
34typedef 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
56typedef 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
67typedef 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
73extern FS *fshead;			/* head of format strings list */
74extern FU *endfu;			/* format at end-of-data */
75extern int blocksize;			/* data block size */
76extern int exitval;			/* final exit value */
77extern int odmode;			/* are we acting as od(1)? */
78extern int length;			/* amount of data to read */
79extern off_t skip;			/* amount of data to skip at start */
80enum _vflag { ALL, DUP, FIRST, WAIT };	/* -v values */
81extern enum _vflag vflag;
82
83void	 add(const char *);
84void	 addfile(const char *);
85void	 badcnt(const char *);
86void	 badconv(const char *);
87void	 badfmt(const char *);
88void	 badnoconv(void);
89void	 badsfmt(void);
90void	 bpad(PR *);
91void	 conv_c(PR *, u_char *, size_t);
92void	 conv_u(PR *, u_char *);
93void	 display(void);
94void	 doskip(const char *, int);
95void	 escape(char *);
96u_char	*get(void);
97void	 newsyntax(int, char ***);
98int	 next(char **);
99void	 nomem(void);
100void	 oldsyntax(int, char ***);
101size_t	 peek(u_char *, size_t);
102void	 rewrite(FS *);
103int	 size(FS *);
104void	 usage(void);
105