FreeCalypso > hg > themwi-system-sw

annotate libnumdb2/check_short.c @ 272:c78b8d6ce885

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
doc/Number-database: should be complete for now
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 26 Nov 2023 19:13:52 -0800
parents 38cac1cbe010
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
11
1d590563e64b libnumdb: implement short number lookup
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
1 /*
1d590563e64b libnumdb: implement short number lookup
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
2 * The library function implemented in this module looks up 4-digit short
1d590563e64b libnumdb: implement short number lookup
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
3 * dialing numbers in ThemWi number db to determine their disposition.
1d590563e64b libnumdb: implement short number lookup
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
4 */
1d590563e64b libnumdb: implement short number lookup
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
5
1d590563e64b libnumdb: implement short number lookup
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
6 #include <stdio.h>
1d590563e64b libnumdb: implement short number lookup
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
7 #include <stdint.h>
1d590563e64b libnumdb: implement short number lookup
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
8 #include <stdlib.h>
236
38cac1cbe010 libnumdb2: port check_short.c
Mychaela Falconia <falcon@freecalypso.org>
parents: 11
diff changeset
9 #include "../include/number_db_v2.h"
11
1d590563e64b libnumdb: implement short number lookup
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
10
1d590563e64b libnumdb: implement short number lookup
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
11 extern struct numdb_file_hdr numdb_hdr;
236
38cac1cbe010 libnumdb2: port check_short.c
Mychaela Falconia <falcon@freecalypso.org>
parents: 11
diff changeset
12 extern struct short_number_rec *numdb_short_numbers;
11
1d590563e64b libnumdb: implement short number lookup
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
13
1d590563e64b libnumdb: implement short number lookup
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
14 static int
1d590563e64b libnumdb: implement short number lookup
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
15 compare_short_num(p1, p2)
236
38cac1cbe010 libnumdb2: port check_short.c
Mychaela Falconia <falcon@freecalypso.org>
parents: 11
diff changeset
16 uint16_t *p1, *p2;
11
1d590563e64b libnumdb: implement short number lookup
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
17 {
236
38cac1cbe010 libnumdb2: port check_short.c
Mychaela Falconia <falcon@freecalypso.org>
parents: 11
diff changeset
18 if (*p1 < *p2)
11
1d590563e64b libnumdb: implement short number lookup
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
19 return(-1);
236
38cac1cbe010 libnumdb2: port check_short.c
Mychaela Falconia <falcon@freecalypso.org>
parents: 11
diff changeset
20 if (*p1 > *p2)
11
1d590563e64b libnumdb: implement short number lookup
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
21 return(1);
236
38cac1cbe010 libnumdb2: port check_short.c
Mychaela Falconia <falcon@freecalypso.org>
parents: 11
diff changeset
22 return(0);
11
1d590563e64b libnumdb: implement short number lookup
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
23 }
1d590563e64b libnumdb: implement short number lookup
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
24
236
38cac1cbe010 libnumdb2: port check_short.c
Mychaela Falconia <falcon@freecalypso.org>
parents: 11
diff changeset
25 struct short_number_rec *
38cac1cbe010 libnumdb2: port check_short.c
Mychaela Falconia <falcon@freecalypso.org>
parents: 11
diff changeset
26 numdb_lookup_short(numstr)
38cac1cbe010 libnumdb2: port check_short.c
Mychaela Falconia <falcon@freecalypso.org>
parents: 11
diff changeset
27 char *numstr;
11
1d590563e64b libnumdb: implement short number lookup
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
28 {
236
38cac1cbe010 libnumdb2: port check_short.c
Mychaela Falconia <falcon@freecalypso.org>
parents: 11
diff changeset
29 uint16_t key;
11
1d590563e64b libnumdb: implement short number lookup
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
30
1d590563e64b libnumdb: implement short number lookup
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
31 if (!numdb_short_numbers || !numdb_hdr.short_number_count)
1d590563e64b libnumdb: implement short number lookup
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
32 return(0);
236
38cac1cbe010 libnumdb2: port check_short.c
Mychaela Falconia <falcon@freecalypso.org>
parents: 11
diff changeset
33 key = digits4_to_uint16(numstr);
38cac1cbe010 libnumdb2: port check_short.c
Mychaela Falconia <falcon@freecalypso.org>
parents: 11
diff changeset
34 return bsearch(&key, numdb_short_numbers, numdb_hdr.short_number_count,
38cac1cbe010 libnumdb2: port check_short.c
Mychaela Falconia <falcon@freecalypso.org>
parents: 11
diff changeset
35 sizeof(struct short_number_rec), compare_short_num);
11
1d590563e64b libnumdb: implement short number lookup
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
36 }