# HG changeset patch
# User Mychaela Falconia <falcon@freecalypso.org>
# Date 1656281846 28800
# Node ID 26b98505684e47c3493764d29524e0a14fb71924
# Parent  6560915b0d27905c72e04edd7a30d0bc2cd9cf2e
themwi-check-own utility written, compiles

diff -r 6560915b0d27 -r 26b98505684e .hgignore
--- a/.hgignore	Sun Jun 26 13:52:29 2022 -0800
+++ b/.hgignore	Sun Jun 26 14:17:26 2022 -0800
@@ -2,5 +2,6 @@
 
 \.[oa]$
 
+^utils/themwi-check-own$
 ^utils/themwi-dump-numdb$
 ^utils/themwi-update-numdb$
diff -r 6560915b0d27 -r 26b98505684e utils/Makefile
--- a/utils/Makefile	Sun Jun 26 13:52:29 2022 -0800
+++ b/utils/Makefile	Sun Jun 26 14:17:26 2022 -0800
@@ -1,11 +1,15 @@
 CC=	gcc
 CFLAGS=	-O2
-PROGS=	themwi-dump-numdb themwi-update-numdb
+PROGS=	themwi-check-own themwi-dump-numdb themwi-update-numdb
+LIBNUMDB=../libnumdb/libnumdb.a
 LIBUTIL=../libutil/libutil.a
 INSTBIN=/usr/local/bin
 
 all:	${PROGS}
 
+themwi-check-own:	themwi-check-own.o ${LIBNUMDB} ${LIBUTIL}
+	${CC} ${CFLAGS} -o $@ $@.o ${LIBNUMDB} ${LIBUTIL}
+
 themwi-dump-numdb:	themwi-dump-numdb.c
 	${CC} ${CFLAGS} -o $@ $@.c
 
diff -r 6560915b0d27 -r 26b98505684e utils/themwi-check-own.c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/utils/themwi-check-own.c	Sun Jun 26 14:17:26 2022 -0800
@@ -0,0 +1,35 @@
+/*
+ * This utility performs a lookup in ThemWi number database to see
+ * if a given NANP number is owned by us.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <syslog.h>
+
+main(argc, argv)
+	char **argv;
+{
+	char nanp[11];
+
+	if (argc != 2) {
+usage:		fprintf(stderr, "usage: %s 10-digit-number\n", argv[0]);
+		exit(1);
+	}
+	if (grok_number_string(argv[1], 1) != 10)
+		goto usage;
+	dehyphen_number_string(argv[1], nanp);
+	if (!is_nanp_valid_prefix(nanp)) {
+		fprintf(stderr, "error: number violates NANP rules\n");
+		exit(1);
+	}
+	openlog("themwi-check-own", 0, LOG_LOCAL5);
+	if (read_number_db() < 0) {
+		fprintf(stderr, "error reading number database\n");
+		exit(1);
+	}
+	printf("+1-%.3s-%.3s-%s is %s\n", nanp, nanp+3, nanp+6,
+		is_nanp_locally_owned(nanp) ? "locally owned"
+					    : "NOT owned by us");
+	exit(0);
+}