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annotate utils/sim-iccid-mkfull.c @ 103:3477438b5706 default tip

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new fc-simtool command script: oper-sim-test
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 06 Aug 2022 16:34:43 +0000
parents 372ecc4aa2c4
children
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1 /*
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2 * This program is a special utility for constructing ICCIDs
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3 * following the 18+1 convention. The argument is an 18-digit ICCID
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4 * base, usually entered in shorthand, and the output is the full
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5 * 19-digit ICCID.
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6 */
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7
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8 #include <sys/types.h>
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9 #include <stdio.h>
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10 #include <stdlib.h>
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11
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12 main(argc, argv)
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13 char **argv;
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14 {
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15 u_char digits[19];
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16 char asc[20];
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17 int rc;
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18
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19 if (argc != 2) {
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20 fprintf(stderr, "usage: %s shorthand-iccid\n", argv[0]);
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21 exit(1);
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22 }
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23 rc = parse_decimal_shorthand(argv[1], digits, 18);
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24 if (rc < 0)
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25 exit(1); /* error msg already printed */
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26 digits[18] = compute_iccid_luhn(digits);
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27 nibbles_to_ascii(digits, 19, asc);
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28 puts(asc);
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29 exit(0);
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30 }