pinebuds/utils/hexdump/hexdump.c

80 lines
2.3 KiB
C

/***************************************************************************
*
* Copyright 2015-2019 BES.
* All rights reserved. All unpublished rights reserved.
*
* No part of this work may be used or reproduced in any form or by any
* means, or stored in a database or retrieval system, without prior written
* permission of BES.
*
* Use of this work is governed by a license granted by BES.
* This work contains confidential and proprietary information of
* BES. which is protected by copyright, trade secret,
* trademark and other intellectual property rights.
*
****************************************************************************/
#ifndef __ARM_EABI__
#include "stdio.h"
#else
#include "hal_trace.h"
#endif
#define LINE_BUF_SIZE 80 // MIN: 5 + 16 * 3 + 3
static void dump_buffer_internal(const unsigned char *buf, size_t len,
int now) {
static const char hex_asc_upper[] = "0123456789ABCDEF";
char line_buf[LINE_BUF_SIZE];
size_t line_len, pos;
size_t i, j;
for (i = 0; i < len; i += 16) {
if (i + 16 <= len) {
line_len = 16;
} else {
line_len = len - i;
}
pos = 0;
if (len > 0x1000) {
line_buf[pos++] = hex_asc_upper[(i >> 12) & 0xF];
}
if (len > 0x100) {
line_buf[pos++] = hex_asc_upper[(i >> 8) & 0xF];
}
if (len > 0x10) {
line_buf[pos++] = hex_asc_upper[(i >> 4) & 0xF];
}
line_buf[pos++] = hex_asc_upper[(i & 0xF)];
line_buf[pos++] = ':';
for (j = 0; j < line_len && pos + 3 < sizeof(line_buf); j++) {
line_buf[pos++] = ' ';
line_buf[pos++] = hex_asc_upper[(buf[i + j] & 0xF0) >> 4];
line_buf[pos++] = hex_asc_upper[(buf[i + j] & 0x0F)];
}
#ifndef __ARM_EABI__
if (pos < sizeof(line_buf)) {
line_buf[pos++] = '\0';
} else {
line_buf[sizeof(line_buf) - 1] = '\0';
}
printf("%s\r\n", line_buf);
#else
if (pos < sizeof(line_buf)) {
line_buf[pos++] = '\0';
} else {
line_buf[sizeof(line_buf) - 1] = '\0';
}
LOG_INFO(LOG_ATTR_NO_ID | (now ? LOG_ATTR_IMM : 0), line_buf);
#endif
}
}
void dump_buffer(const void *buf, size_t len) {
dump_buffer_internal((const unsigned char *)buf, len, 0);
}
void dump_buffer_imm(const void *buf, size_t len) {
dump_buffer_internal((const unsigned char *)buf, len, 1);
}