1 /* Locale dependent, case and normalization insensitive comparison of Unicode
3 Copyright (C) 2009-2011 Free Software Foundation, Inc.
4 Written by Bruno Haible <bruno@clisp.org>, 2009.
6 This program is free software: you can redistribute it and/or modify it
7 under the terms of the GNU Lesser General Public License as published
8 by the Free Software Foundation; either version 3 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public License
17 along with this program. If not, see <http://www.gnu.org/licenses/>. */
20 FUNC (const UNIT *s1, size_t n1, const UNIT *s2, size_t n2,
21 const char *iso639_language, uninorm_t nf, int *resultp)
26 size_t transformed1_length;
28 size_t transformed2_length;
31 /* Normalize and transform S1. */
32 transformed1_length = sizeof (buf1);
34 U_CASEXFRM (s1, n1, iso639_language, nf, buf1, &transformed1_length);
35 if (transformed1 == NULL)
36 /* errno is set here. */
39 /* Normalize and transform S2. */
40 transformed2_length = sizeof (buf2);
42 U_CASEXFRM (s2, n2, iso639_language, nf, buf2, &transformed2_length);
43 if (transformed2 == NULL)
45 if (transformed1 != buf1)
47 int saved_errno = errno;
54 /* Compare the transformed strings. */
55 cmp = memcmp2 (transformed1, transformed1_length,
56 transformed2, transformed2_length);
62 if (transformed2 != buf2)
64 if (transformed1 != buf1)