util-linux/text-utils/hexdump.h

109 lines
4.2 KiB
C

/*
* Copyright (c) 1989 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. 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.
*
* @(#)hexdump.h 5.4 (Berkeley) 6/1/90
*/
#include "c.h"
#include "list.h"
struct hexdump_clr {
struct list_head colorlist; /* next color unit */
const char *fmt; /* the color, UL_COLOR_* */
off_t offt; /* offset where unit is valid... */
int range; /* ... and it's range */
int val; /* value ... */
char *str; /* ... or string to match */
int invert; /* invert condition? */
};
struct hexdump_pr {
struct list_head prlist; /* 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 */
unsigned int flags; /* flag values */
int bcnt; /* byte count */
char *cchar; /* conversion character */
struct list_head *colorlist; /* color settings */
char *fmt; /* printf format */
char *nospace; /* no whitespace version */
};
struct hexdump_fu {
struct list_head fulist; /* next format unit */
struct list_head prlist; /* next print unit */
#define F_IGNORE 0x01 /* %_A */
#define F_SETREP 0x02 /* rep count set, not default */
unsigned int flags; /* flag values */
int reps; /* repetition count */
int bcnt; /* byte count */
char *fmt; /* format string */
};
struct hexdump_fs { /* format strings */
struct list_head fslist; /* linked list of format strings */
struct list_head fulist; /* linked list of format units */
int bcnt;
};
struct hexdump {
struct list_head fshead; /* head of format strings */
ssize_t blocksize; /* data block size */
int exitval; /* final exit value */
ssize_t length; /* max bytes to read */
off_t skip; /* bytes to skip */
};
extern struct hexdump_fu *endfu;
enum _vflag { ALL, DUP, FIRST, WAIT }; /* -v values */
extern enum _vflag vflag;
int block_size(struct hexdump_fs *);
void add_fmt(const char *, struct hexdump *);
void rewrite_rules(struct hexdump_fs *, struct hexdump *);
void addfile(char *, struct hexdump *);
void display(struct hexdump *);
void __attribute__((__noreturn__)) usage(void);
void conv_c(struct hexdump_pr *, u_char *);
void conv_u(struct hexdump_pr *, u_char *);
int next(char **, struct hexdump *);
int parse_args(int, char **, struct hexdump *);