/* SPDX-License-Identifier: BSD-3-Clause or GPL-2.0 */ #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 */