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/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(c) 2010-2014 Intel Corporation
*/
#include <stdlib.h>
#include <stdio.h>
#include <errno.h>
#include <stdint.h>
#include <rte_hexdump.h>
#include <rte_string_fns.h>
#define LINE_LEN 128
/**************************************************************************//**
*
* rte_hexdump - Dump out memory in a special hex dump format.
*
* DESCRIPTION
* Dump out the message buffer in a special hex dump output format with characters
* printed for each line of 16 hex values.
*
* RETURNS: N/A
*
* SEE ALSO:
*/
void
rte_hexdump(FILE *f, const char * title, const void * buf, unsigned int len)
{
unsigned int i, out, ofs;
const unsigned char *data = buf;
char line[LINE_LEN]; /* space needed 8+16*3+3+16 == 75 */
fprintf(f, "%s at [%p], len=%u\n", (title)? title : " Dump data", data, len);
ofs = 0;
while (ofs < len) {
/* format the line in the buffer, then use printf to output to screen */
out = snprintf(line, LINE_LEN, "%08X:", ofs);
for (i = 0; ((ofs + i) < len) && (i < 16); i++)
out += snprintf(line+out, LINE_LEN - out, " %02X", (data[ofs+i] & 0xff));
for(; i <= 16; i++)
out += snprintf(line+out, LINE_LEN - out, " | ");
for(i = 0; (ofs < len) && (i < 16); i++, ofs++) {
unsigned char c = data[ofs];
if ( (c < ' ') || (c > '~'))
c = '.';
out += snprintf(line+out, LINE_LEN - out, "%c", c);
}
fprintf(f, "%s\n", line);
}
fflush(f);
}
/**************************************************************************//**
*
* rte_memdump - Dump out memory in hex bytes with colons.
*
* DESCRIPTION
* Dump out the message buffer in hex bytes with colons xx:xx:xx:xx:...
*
* RETURNS: N/A
*
* SEE ALSO:
*/
void
rte_memdump(FILE *f, const char * title, const void * buf, unsigned int len)
{
unsigned int i, out;
const unsigned char *data = buf;
char line[LINE_LEN];
if ( title )
fprintf(f, "%s: ", title);
line[0] = '\0';
for (i = 0, out = 0; i < len; i++) {
// Make sure we do not overrun the line buffer length.
if ( out >= (LINE_LEN - 4) ) {
fprintf(f, "%s", line);
out = 0;
line[out] = '\0';
}
out += snprintf(line+out, LINE_LEN - out, "%02x%s",
(data[i] & 0xff), ((i+1) < len)? ":" : "");
}
if ( out > 0 )
fprintf(f, "%s", line);
fprintf(f, "\n");
fflush(f);
}
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