FreeCalypso > hg > themwi-system-sw
view libnumdb/check_short.c @ 33:2b072ad13de6
top Makefile: add mgw
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sat, 09 Jul 2022 22:52:44 -0800 |
parents | 1d590563e64b |
children |
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/* * The library function implemented in this module looks up 4-digit short * dialing numbers in ThemWi number db to determine their disposition. */ #include <stdio.h> #include <stdint.h> #include <stdlib.h> #include "../include/number_db_file.h" extern struct numdb_file_hdr numdb_hdr; extern struct short_number_map *numdb_short_numbers; static int compare_short_num(p1, p2) struct short_number_map *p1, *p2; { if (p1->short_code < p2->short_code) return(-1); else if (p1->short_code > p2->short_code) return(1); else return(0); } lookup_short_dial_number(numstr, nanp_buf) char *numstr, *nanp_buf; { struct short_number_map key, *res; if (!numdb_short_numbers || !numdb_hdr.short_number_count) return(0); key.short_code = strtoul(numstr, 0, 10); res = bsearch(&key, numdb_short_numbers, numdb_hdr.short_number_count, sizeof(struct short_number_map), compare_short_num); if (!res) return(0); if (res->prefix < 200000 || res->prefix > 999999) { /* either ITN or an invalid record, also treated as an ITN */ nanp_buf[0] = '\0'; return(1); } sprintf(nanp_buf, "%06u%04u", res->prefix, res->short_code); return(1); }