2 * Copyright (C) 1996 by Andrey A. Chernov, Moscow, Russia.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * $FreeBSD: src/lib/libc/locale/collcmp.c,v 1.12.2.1 2000/08/22 01:54:39 jhb Exp $
27 * $DragonFly: src/lib/libc/locale/collcmp.c,v 1.2 2003/06/17 04:26:43 dillon Exp $
30 #define ASCII_COMPATIBLE_COLLATE /* see share/colldef */
34 #ifndef ASCII_COMPATIBLE_COLLATE
39 * Compare two characters converting collate information
40 * into ASCII-compatible range, it allows to handle
41 * "[a-z]"-type ranges with national characters.
44 int __collate_range_cmp (c1, c2)
47 static char s1[2], s2[2];
49 #ifndef ASCII_COMPATIBLE_COLLATE
50 int as1, as2, al1, al2;
58 #ifndef ASCII_COMPATIBLE_COLLATE
64 if (as1 || as2 || al1 || al2) {
65 if ((as1 && as2) || (!al1 && !al2))
72 } else if (al2 && !al1) {
82 if ((ret = strcoll(s1, s2)) != 0)