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/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only */
#ifndef _HEXDUMP_H
#define _HEXDUMP_H
#include <stdint.h>
#include <sys/types.h>
#include <stdio.h>
/*--------------------------------------------------------------------------
* hexdump_format_t
*
* This specifies how the output of the 'hexdump' function should look.
*
* fields:
* bytes_per_line: the number of data bytes to display per line of
* output
* addrprint_width: Each line of output begins with the address of the
* first data byte displayed on that line. This
* specifies the number of bytes wide the address
* should be displayed as. This value must be from 1
* to 8.
* indent: This is a string to display at the start of each
* output line. Its purpose is to indent the output.
* sep1: This is a string to display between the address and
* the bytes of data displayed in hex. It serves as a
* separator.
* sep2: This is a string to display between individual hex
* values. It serves as a separator.
* sep3: This is a string to display between the bytes of
* data in hex and the bytes of data displayed as
* characters. It serves as a separator.
* nonprintable: This is a substitute character to display in place
* of nonprintable characters.
*--------------------------------------------------------------------------*/
typedef struct {
int bytes_per_line;
int addrprint_width;
const char *indent;
const char *sep1;
const char *sep2;
const char *sep3;
unsigned char nonprintable;
} hexdump_format_t;
/*--------------------------------------------------------------------------
* hexdump
*
* Write a hex dump of 'mem' to 'outfile'.
*
* parameters:
* mem: a pointer to the memory to display
* bytes: the number of bytes of data to display
* addrprint_start: The address to associate with the first byte of
* data. For instance, a value of 0 indicates that the
* first byte displayed should be labeled as byte 0.
* outfile: The place where the hex dump should be written.
* For instance, stdout or stderr may be passed here.
* format: A structure specifying how the hex dump should be
* formatted.
*--------------------------------------------------------------------------*/
void hexdump(const void *mem, int bytes, uint64_t addrprint_start,
FILE * outfile, const hexdump_format_t * format);
#endif /* _HEXDUMP_H */
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