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comparison libcommon/plmncodes.c @ 99:d2e800abd257

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fc-simtool plmnsel-write command implemented
author Mychaela Falconia <falcon@freecalypso.org>
date Wed, 17 Feb 2021 22:43:18 +0000
parents 4eb447be01c0
children
comparison
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98:6ba14a9247d2 99:d2e800abd257
1 /* 1 /*
2 * This module implements some functions for working with MCC-MNC PLMN codes. 2 * This module implements some functions for working with MCC-MNC PLMN codes.
3 */ 3 */
4 4
5 #include <sys/types.h> 5 #include <sys/types.h>
6 #include <ctype.h>
7 #include <stdio.h>
6 8
7 decode_plmn_3bytes(bin, asc, space_pad) 9 decode_plmn_3bytes(bin, asc, space_pad)
8 u_char *bin; 10 u_char *bin;
9 char *asc; 11 char *asc;
10 { 12 {
21 asc[6] = ' '; 23 asc[6] = ' ';
22 else 24 else
23 asc[6] = '\0'; 25 asc[6] = '\0';
24 } 26 }
25 } 27 }
28
29 encode_plmn_3bytes(asc, bin)
30 char *asc;
31 u_char *bin;
32 {
33 u_char mcc[3], mnc[3];
34
35 if (!isxdigit(asc[0]) || !isxdigit(asc[1]) || !isxdigit(asc[2])) {
36 inv: fprintf(stderr, "error: invalid MCC-MNC argument\n");
37 return(-1);
38 }
39 mcc[0] = decode_hex_digit(asc[0]);
40 mcc[1] = decode_hex_digit(asc[1]);
41 mcc[2] = decode_hex_digit(asc[2]);
42 asc += 3;
43 if (*asc == '-')
44 asc++;
45 if (!isxdigit(asc[0]) || !isxdigit(asc[1]))
46 goto inv;
47 mnc[0] = decode_hex_digit(asc[0]);
48 mnc[1] = decode_hex_digit(asc[1]);
49 asc += 2;
50 if (*asc == '\0')
51 mnc[2] = 0xF;
52 else if (isxdigit(asc[0]) && asc[1] == '\0')
53 mnc[2] = decode_hex_digit(*asc);
54 else
55 goto inv;
56 bin[0] = (mcc[1] << 4) | mcc[0];
57 bin[1] = (mnc[2] << 4) | mcc[2];
58 bin[2] = (mnc[1] << 4) | mnc[0];
59 return(0);
60 }