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annotate libcommon/be_init.c @ 53:fbedb67d234f

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serial: fix parity for inverse coding convention Important note: it is my (Mother Mychaela's) understanding that SIM cards with inverse coding convention are extremely rare, and I have never seen such a card. Therefore, our support for the inverse coding convention will likely remain forever untested.
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 21 Mar 2021 20:46:09 +0000
parents e2ef4b8e4136
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2 * This module is responsible for collecting the initial info
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3 * strings emitted by the back end.
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4 */
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5
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6 #include <ctype.h>
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7 #include <stdio.h>
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8 #include <stdlib.h>
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9 #include <string.h>
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10 #include <strings.h>
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11
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12 extern FILE *rpipeF;
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13
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14 #define MAX_INIT_STRING 254
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15
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16 char be_reader_name[MAX_INIT_STRING+1];
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17 char be_atr_string[MAX_INIT_STRING+1];
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18 char be_extra_info[MAX_INIT_STRING+1];
9
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19
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20 static void
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21 copy_without_leading_space(input_str, dest)
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22 char *input_str, *dest;
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23 {
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24 char *cp;
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25
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26 for (cp = input_str; isspace(*cp); cp++)
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27 ;
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28 strcpy(dest, cp);
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29 }
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30
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31 collect_backend_init_strings()
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32 {
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33 char inbuf[MAX_INIT_STRING+2], *cp;
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34
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35 for (;;) {
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36 if (!fgets(inbuf, sizeof inbuf, rpipeF)) {
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37 fprintf(stderr,
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38 "start-up error: EOF reading init strings from back end\n");
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39 exit(1);
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40 }
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41 cp = index(inbuf, '\n');
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42 if (!cp) {
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43 fprintf(stderr,
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44 "start-up error: init string from back end has no newline\n");
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45 exit(1);
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46 }
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47 *cp = '\0';
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48 if (!inbuf[0])
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49 break;
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50 switch (inbuf[0]) {
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51 case 'A':
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52 copy_without_leading_space(inbuf + 1, be_atr_string);
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53 break;
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54 case 'R':
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55 copy_without_leading_space(inbuf + 1, be_reader_name);
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56 break;
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57 case 'X':
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58 copy_without_leading_space(inbuf + 1, be_extra_info);
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59 break;
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60 }
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61 }
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62 return(0);
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63 }