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de16f5e2a7
Move router code into "router" and move send_data into "tools", in order to make things cleaner as the implementation gains further components. Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
79 lines
2.4 KiB
C
79 lines
2.4 KiB
C
/*
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* Copyright (c) 2016, Bjorn Andersson <bjorn@kryo.se>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its contributors
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* may be used to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <ctype.h>
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#include <stdint.h>
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#include <stdio.h>
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#include "util.h"
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static uint8_t to_hex(uint8_t ch)
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{
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ch &= 0xf;
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return ch <= 9 ? '0' + ch : 'a' + ch - 10;
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}
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void print_hex_dump(const char *prefix, const void *buf, size_t len)
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{
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const uint8_t *ptr = buf;
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size_t linelen;
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uint8_t ch;
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char line[16 * 3 + 16 + 1];
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int li;
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int i;
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int j;
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for (i = 0; i < len; i += 16) {
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linelen = MIN(16, len - i);
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li = 0;
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for (j = 0; j < linelen; j++) {
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ch = ptr[i + j];
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line[li++] = to_hex(ch >> 4);
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line[li++] = to_hex(ch);
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line[li++] = ' ';
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}
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for (; j < 16; j++) {
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line[li++] = ' ';
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line[li++] = ' ';
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line[li++] = ' ';
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}
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for (j = 0; j < linelen; j++) {
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ch = ptr[i + j];
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line[li++] = isprint(ch) ? ch : '.';
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}
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line[li] = '\0';
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printf("%s %04x: %s\n", prefix, i, line);
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}
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}
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