FreeCalypso > hg > freecalypso-tools

annotate rvinterf/libasync/rvtrace.c @ 662:0a6184443821

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libserial-posix/baudtab.c: cosmetic bugfix
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 05 Mar 2020 20:07:42 +0000
parents e7502631a0f9
children 6a0aa8d36d06
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1 /*
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2 * Here we detect and handle "Lost Message" packets.
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3 */
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4
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5 #include <sys/types.h>
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6 #include <stdio.h>
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7 #include <string.h>
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8 #include <strings.h>
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9 #include <stdlib.h>
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10 #include "pktmux.h"
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11 #include "limits.h"
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12 #include "localsock.h"
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13
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14 extern u_char rvi_msg[];
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15 extern int rvi_msg_len;
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16
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17 void
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18 safe_print_trace(src, srclen, dest)
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19 u_char *src;
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20 char *dest;
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21 {
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22 int i, c;
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23 char *dp;
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24
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25 dp = dest;
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26 for (i = 0; i < srclen; i++) {
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27 c = src[i];
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28 if (c & 0x80) {
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29 *dp++ = 'M';
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30 *dp++ = '-';
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31 c &= 0x7F;
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32 }
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33 if (c < 0x20) {
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34 *dp++ = '^';
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35 *dp++ = c + '@';
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36 } else if (c == 0x7F) {
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37 *dp++ = '^';
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38 *dp++ = '?';
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39 } else
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40 *dp++ = c;
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41 }
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42 *dp = '\0';
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43 }
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44
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45 void
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46 handle_useid_0()
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47 {
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48 char buf[MAX_PKT_FROM_TARGET*4];
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49
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50 if (strncmp(rvi_msg + 7, "RVT: Lost Message", 17))
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51 return;
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52 safe_print_trace(rvi_msg + 7, rvi_msg_len - 7, buf);
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53 async_msg_output(buf);
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54 }