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77 lines
2.0 KiB
77 lines
2.0 KiB
/* |
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* hexdump implementation without depenecies to *printf() |
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* output is equal to 'hexdump -C' |
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* should be compatible to 64bit architectures |
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* |
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* Copyright (c) 2009 Daniel Mack <daniel@caiaq.de> |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation, either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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*/ |
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#include "miner.h" |
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#define hex_print(p) applog(LOG_DEBUG, "%s", p) |
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static char nibble[] = { |
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'0', '1', '2', '3', '4', '5', '6', '7', |
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'8', '9', 'a', 'b', 'c', 'd', 'e', 'f' }; |
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#define BYTES_PER_LINE 0x10 |
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void hexdump(const uint8_t *p, unsigned int len) |
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{ |
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unsigned int i, addr; |
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unsigned int wordlen = sizeof(void*); |
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unsigned char v, line[BYTES_PER_LINE * 5]; |
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for (addr = 0; addr < len; addr += BYTES_PER_LINE) { |
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/* clear line */ |
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for (i = 0; i < sizeof(line); i++) { |
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if (i == wordlen * 2 + 52 || |
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i == wordlen * 2 + 69) { |
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line[i] = '|'; |
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continue; |
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} |
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if (i == wordlen * 2 + 70) { |
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line[i] = '\0'; |
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continue; |
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} |
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line[i] = ' '; |
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} |
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/* print address */ |
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for (i = 0; i < wordlen * 2; i++) { |
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v = addr >> ((wordlen * 2 - i - 1) * 4); |
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line[i] = nibble[v & 0xf]; |
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} |
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/* dump content */ |
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for (i = 0; i < BYTES_PER_LINE; i++) { |
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int pos = (wordlen * 2) + 3 + (i / 8); |
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if (addr + i >= len) |
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break; |
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v = p[addr + i]; |
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line[pos + (i * 3) + 0] = nibble[v >> 4]; |
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line[pos + (i * 3) + 1] = nibble[v & 0xf]; |
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/* character printable? */ |
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line[(wordlen * 2) + 53 + i] = |
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(v >= ' ' && v <= '~') ? v : '.'; |
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} |
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hex_print(line); |
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} |
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}
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