annotate smsc-sendmt/imsi_entry.c @ 12:7543aa173634

proto-smsc-sendmt program written, compiles
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 27 Aug 2023 16:36:28 -0800
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7543aa173634 proto-smsc-sendmt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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1 /*
7543aa173634 proto-smsc-sendmt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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2 * The library function implemented in this module supports IMSI entry
7543aa173634 proto-smsc-sendmt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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3 * at UI level, either in the standard form (long string of digits)
7543aa173634 proto-smsc-sendmt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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4 * or in the shorthand notation introduced in fc-sim-tools.
7543aa173634 proto-smsc-sendmt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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5 */
7543aa173634 proto-smsc-sendmt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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6
7543aa173634 proto-smsc-sendmt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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7 #include <ctype.h>
7543aa173634 proto-smsc-sendmt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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8 #include <string.h>
7543aa173634 proto-smsc-sendmt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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9
7543aa173634 proto-smsc-sendmt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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10 int grok_imsi_user_arg(const char *arg, char *dest)
7543aa173634 proto-smsc-sendmt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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11 {
7543aa173634 proto-smsc-sendmt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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12 const char *cp;
7543aa173634 proto-smsc-sendmt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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13 char *dp;
7543aa173634 proto-smsc-sendmt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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14 int n, tail_len, remain;
7543aa173634 proto-smsc-sendmt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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15
7543aa173634 proto-smsc-sendmt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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16 if (!isdigit(*arg))
7543aa173634 proto-smsc-sendmt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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17 return(-1);
7543aa173634 proto-smsc-sendmt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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18 cp = arg;
7543aa173634 proto-smsc-sendmt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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19 dp = dest;
7543aa173634 proto-smsc-sendmt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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20 n = 0;
7543aa173634 proto-smsc-sendmt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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21 while (isdigit(*cp)) {
7543aa173634 proto-smsc-sendmt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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22 if (n >= 15)
7543aa173634 proto-smsc-sendmt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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23 return(-1);
7543aa173634 proto-smsc-sendmt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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24 *dp++ = *cp++;
7543aa173634 proto-smsc-sendmt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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25 n++;
7543aa173634 proto-smsc-sendmt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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26 }
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Mychaela Falconia <falcon@freecalypso.org>
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27 if (!*cp) {
7543aa173634 proto-smsc-sendmt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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28 if (n < 6)
7543aa173634 proto-smsc-sendmt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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29 return(-1);
7543aa173634 proto-smsc-sendmt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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30 *dp = '\0';
7543aa173634 proto-smsc-sendmt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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31 return(0);
7543aa173634 proto-smsc-sendmt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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32 }
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Mychaela Falconia <falcon@freecalypso.org>
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33 if (*cp != '-')
7543aa173634 proto-smsc-sendmt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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34 return(-1);
7543aa173634 proto-smsc-sendmt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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35 cp++;
7543aa173634 proto-smsc-sendmt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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36 tail_len = strlen(cp);
7543aa173634 proto-smsc-sendmt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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37 if (!tail_len)
7543aa173634 proto-smsc-sendmt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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38 return(-1);
7543aa173634 proto-smsc-sendmt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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39 remain = 15 - n;
7543aa173634 proto-smsc-sendmt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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40 if (remain < tail_len + 1)
7543aa173634 proto-smsc-sendmt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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41 return(-1);
7543aa173634 proto-smsc-sendmt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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42 while (remain > tail_len) {
7543aa173634 proto-smsc-sendmt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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43 *dp++ = '0';
7543aa173634 proto-smsc-sendmt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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44 remain--;
7543aa173634 proto-smsc-sendmt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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45 }
7543aa173634 proto-smsc-sendmt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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46 while (*cp) {
7543aa173634 proto-smsc-sendmt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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47 if (!isdigit(*cp))
7543aa173634 proto-smsc-sendmt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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48 return(-1);
7543aa173634 proto-smsc-sendmt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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49 *dp++ = *cp++;
7543aa173634 proto-smsc-sendmt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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50 }
7543aa173634 proto-smsc-sendmt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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51 *dp = '\0';
7543aa173634 proto-smsc-sendmt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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52 return(0);
7543aa173634 proto-smsc-sendmt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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53 }