FreeCalypso > hg > themwi-system-sw

annotate libnumdb/check_nanp.c @ 216:6aa2cd650943

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tcpserv-dump: specify bind IP on the command line
author Mychaela Falconia <falcon@freecalypso.org>
date Mon, 24 Jul 2023 22:19:08 -0800
parents 960ffce6c542
children
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960ffce6c542 libnumdb: implement NANP lookup
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1 /*
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2 * The library function implemented in this module consults ThemWi number db
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3 * to see if a given NANP number is owned by us or not.
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4 */
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5
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6 #include <stdio.h>
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7 #include <stdint.h>
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8 #include <stdlib.h>
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9 #include "../include/number_db_file.h"
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10
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11 extern struct numdb_file_hdr numdb_hdr;
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12 extern uint64_t *numdb_owned_numbers;
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13
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14 static int
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15 compare_owned_num(p1, p2)
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16 uint64_t *p1, *p2;
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17 {
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18 if (*p1 < *p2)
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19 return(-1);
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20 else if (*p1 > *p2)
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21 return(1);
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22 else
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23 return(0);
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24 }
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25
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26 is_nanp_locally_owned(numstr)
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27 char *numstr;
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28 {
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29 uint64_t key, *res;
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30
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31 if (!numdb_owned_numbers || !numdb_hdr.owned_number_count)
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32 return(0);
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33 key = strtoull(numstr, 0, 10);
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34 res = bsearch(&key, numdb_owned_numbers, numdb_hdr.owned_number_count,
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35 sizeof(uint64_t), compare_owned_num);
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36 if (res)
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37 return(1);
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38 else
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39 return(0);
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40 }