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annotate libutil/alpha_decode.c @ 81:8c23d2a9c013

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doc/GrcardSIM2-programming: update for fcsim1-program
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 09 Apr 2021 08:35:54 +0000
parents 34bbb0585cab
children
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34bbb0585cab libutil: import from previous fc-pcsc-tools version
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1 /*
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2 * This module contains functions for decoding and displaying alpha fields
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3 * that exist in various SIM files.
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4 */
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5
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6 #include <sys/types.h>
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7 #include <stdio.h>
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8
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9 static void
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10 print_alpha_field_hex(data, nbytes, outf)
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11 u_char *data;
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12 unsigned nbytes;
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13 FILE *outf;
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14 {
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15 u_char *dp, *endp;
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16
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17 fputs("HEX ", outf);
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18 dp = data;
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19 endp = data + nbytes;
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20 while (dp < endp)
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21 fprintf(outf, "%02X", *dp++);
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22 }
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23
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24 void
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25 print_alpha_field(data, nbytes, outf)
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26 u_char *data;
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27 unsigned nbytes;
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28 FILE *outf;
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29 {
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30 if (!nbytes) {
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31 fputs("\"\"", outf);
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32 return;
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33 }
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34 if (data[0] & 0x80)
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35 print_alpha_field_hex(data, nbytes, outf);
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36 else
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37 print_gsm7_string_to_file(data, nbytes, outf);
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38 }