hexdump.h

Util-linux 软件包包含许多工具。其中比较重要的是加载、卸载、格式化、分区和管理硬盘驱动器

/*
 * 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
 */

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 */
} 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 FU *endfu;
extern FS *fshead;			/* head of format strings list */
extern int blocksize;			/* data block size */
extern int deprecated;			/* od compatibility */
extern int exitval;			/* final exit value */
extern int length;			/* max bytes to read */
extern off_t skip;                      /* bytes to skip */

enum _vflag { ALL, DUP, FIRST, WAIT };	/* -v values */
extern enum _vflag vflag;

void *emalloc(int);
int size(FS *);
void add(const char *);
void rewrite(FS *);
void addfile(char *);
void display(void);
void nomem(void);
void usage(void);
void conv_c(PR *, u_char *);
void conv_u(PR *, u_char *);
int  next(char **);
void oldsyntax(int, char ***);
void newsyntax(int, char ***);