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/*
* Copyright (c) 2016-2022 Bouffalolab.
*
* This file is part of
* *** Bouffalolab Software Dev Kit ***
* (see www.bouffalolab.com).
*
* 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. Neither the name of Bouffalo Lab 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 COPYRIGHT HOLDERS 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 COPYRIGHT HOLDER 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.
*/
#include <stdio.h>
#include <ctype.h>
#include <utils_hexdump.h>
#ifndef HEXDUMP_COLS
#define HEXDUMP_COLS 16
#endif
//FIXME fix putchar
extern int bl_putchar(int c);
void utils_hexdump(void *mem, unsigned int len)
{
unsigned int i, j;
for (i = 0; i < len + ((len % HEXDUMP_COLS) ? (HEXDUMP_COLS - len % HEXDUMP_COLS) : 0); i++) {
/* print offset */
if (i % HEXDUMP_COLS == 0) {
printf("0x%06x: ", i);
}
/* print hex data */
if (i < len) {
printf("%02x ", 0xFF & ((char*)mem)[i]);
} else {
/* end of block, just aligning for ASCII dump */
printf(" ");
}
/* print ASCII dump */
if (i % HEXDUMP_COLS == (HEXDUMP_COLS - 1)) {
for (j = i - (HEXDUMP_COLS - 1); j <= i; j++) {
if (j >= len) {
/* end of block, not really printing */
bl_putchar(' ');
} else if(isprint((int)((char*)mem)[j])) {
/* printable char */
bl_putchar(0xFF & ((char*)mem)[j]);
} else {
/* other char */
bl_putchar('.');
}
}
puts("\r\n");
}
}
}
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