1 /* Locale dependent, normalization insensitive comparison of Unicode strings.
2 Copyright (C) 2009-2013 Free Software Foundation, Inc.
3 Written by Bruno Haible <bruno@clisp.org>, 2009.
5 This program is free software: you can redistribute it and/or modify it
6 under the terms of the GNU Lesser General Public License as published
7 by the Free Software Foundation; either version 3 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public License
16 along with this program. If not, see <http://www.gnu.org/licenses/>. */
19 FUNC (const UNIT *s1, size_t n1, const UNIT *s2, size_t n2,
20 uninorm_t nf, int *resultp)
25 size_t transformed1_length;
27 size_t transformed2_length;
30 /* Normalize and transform S1. */
31 transformed1_length = sizeof (buf1);
32 transformed1 = U_NORMXFRM (s1, n1, nf, buf1, &transformed1_length);
33 if (transformed1 == NULL)
34 /* errno is set here. */
37 /* Normalize and transform S2. */
38 transformed2_length = sizeof (buf2);
39 transformed2 = U_NORMXFRM (s2, n2, nf, buf2, &transformed2_length);
40 if (transformed2 == NULL)
42 if (transformed1 != buf1)
44 int saved_errno = errno;
51 /* Compare the transformed strings. */
52 cmp = memcmp2 (transformed1, transformed1_length,
53 transformed2, transformed2_length);
59 if (transformed2 != buf2)
61 if (transformed1 != buf1)