view libnumdb/check_nanp.c @ 137:f05183b18d29

top Makefile: add liboutrt
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 06 Oct 2022 23:59:17 -0800
parents 960ffce6c542
children
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/*
 * The library function implemented in this module consults ThemWi number db
 * to see if a given NANP number is owned by us or not.
 */

#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include "../include/number_db_file.h"

extern struct numdb_file_hdr numdb_hdr;
extern uint64_t *numdb_owned_numbers;

static int
compare_owned_num(p1, p2)
	uint64_t *p1, *p2;
{
	if (*p1 < *p2)
		return(-1);
	else if (*p1 > *p2)
		return(1);
	else
		return(0);
}

is_nanp_locally_owned(numstr)
	char *numstr;
{
	uint64_t key, *res;

	if (!numdb_owned_numbers || !numdb_hdr.owned_number_count)
		return(0);
	key = strtoull(numstr, 0, 10);
	res = bsearch(&key, numdb_owned_numbers, numdb_hdr.owned_number_count,
			sizeof(uint64_t), compare_owned_num);
	if (res)
		return(1);
	else
		return(0);
}