/*-
 * SPDX-License-Identifier: BSD-3-Clause
 *
 * Copyright (c) 1989, 1993
 *      The Regents of the University of California.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#include <wchar.h>

typedef struct _pr {
        struct _pr *nextpr;             /* next print unit */
#define F_ADDRESS       0x001           /* print offset */
#define F_BPAD          0x002           /* blank pad */
#define F_C             0x004           /* %_c */
#define F_CHAR          0x008           /* %c */
#define F_DBL           0x010           /* %[EefGf] */
#define F_INT           0x020           /* %[di] */
#define F_P             0x040           /* %_p */
#define F_STR           0x080           /* %s */
#define F_U             0x100           /* %_u */
#define F_UINT          0x200           /* %[ouXx] */
#define F_TEXT          0x400           /* no conversions */
        u_int flags;                    /* flag values */
        int bcnt;                       /* byte count */
        char *cchar;                    /* conversion character */
        char *fmt;                      /* printf format */
        char *nospace;                  /* no whitespace version */
        int mbleft;                     /* bytes left of multibyte char. */
        mbstate_t mbstate;              /* conversion state */
} PR;

typedef struct _fu {
        struct _fu *nextfu;             /* next format unit */
        struct _pr *nextpr;             /* next print unit */
#define F_IGNORE        0x01            /* %_A */
#define F_SETREP        0x02            /* rep count set, not default */
        u_int flags;                    /* flag values */
        int reps;                       /* repetition count */
        int bcnt;                       /* byte count */
        char *fmt;                      /* format string */
} FU;

typedef struct _fs {                    /* format strings */
        struct _fs *nextfs;             /* linked list of format strings */
        struct _fu *nextfu;             /* linked list of format units */
        int bcnt;
} FS;

extern FS *fshead;                      /* head of format strings list */
extern FU *endfu;                       /* format at end-of-data */
extern int blocksize;                   /* data block size */
extern int exitval;                     /* final exit value */
extern int odmode;                      /* are we acting as od(1)? */
extern int length;                      /* amount of data to read */
extern off_t skip;                      /* amount of data to skip at start */
enum _vflag { ALL, DUP, FIRST, WAIT };  /* -v values */
extern enum _vflag vflag;

void     add(const char *);
void     addfile(const char *);
void     badcnt(const char *);
void     badconv(const char *);
void     badfmt(const char *);
void     badnoconv(void);
void     badsfmt(void);
void     bpad(PR *);
void     conv_c(PR *, u_char *, size_t);
void     conv_u(PR *, u_char *);
void     display(void);
void     doskip(const char *, int);
void     escape(char *);
u_char  *get(void);
void     newsyntax(int, char ***);
int      next(char **);
void     nomem(void);
void     oldsyntax(int, char ***);
size_t   peek(u_char *, size_t);
void     rewrite(FS *);
int      size(FS *);
void     usage(void);