From fa095a4504cbe668e4244547e2c141597bea4ecf Mon Sep 17 00:00:00 2001 From: Andreas Rottmann Date: Mon, 14 Sep 2009 12:32:44 +0200 Subject: Imported Upstream version 0.9.1 --- lib/unicase/u-casecoll.h | 68 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 68 insertions(+) create mode 100644 lib/unicase/u-casecoll.h (limited to 'lib/unicase/u-casecoll.h') diff --git a/lib/unicase/u-casecoll.h b/lib/unicase/u-casecoll.h new file mode 100644 index 0000000..73094ab --- /dev/null +++ b/lib/unicase/u-casecoll.h @@ -0,0 +1,68 @@ +/* Locale dependent, case and normalization insensitive comparison of Unicode + strings. + Copyright (C) 2009 Free Software Foundation, Inc. + Written by Bruno Haible , 2009. + + This program is free software: you can redistribute it and/or modify it + under the terms of the GNU Lesser General Public License as published + by the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with this program. If not, see . */ + +int +FUNC (const UNIT *s1, size_t n1, const UNIT *s2, size_t n2, + const char *iso639_language, uninorm_t nf, int *resultp) +{ + char buf1[2048]; + char buf2[2048]; + char *transformed1; + size_t transformed1_length; + char *transformed2; + size_t transformed2_length; + int cmp; + + /* Normalize and transform S1. */ + transformed1_length = sizeof (buf1); + transformed1 = + U_CASEXFRM (s1, n1, iso639_language, nf, buf1, &transformed1_length); + if (transformed1 == NULL) + /* errno is set here. */ + return -1; + + /* Normalize and transform S2. */ + transformed2_length = sizeof (buf2); + transformed2 = + U_CASEXFRM (s2, n2, iso639_language, nf, buf2, &transformed2_length); + if (transformed2 == NULL) + { + if (transformed1 != buf1) + { + int saved_errno = errno; + free (transformed1); + errno = saved_errno; + } + return -1; + } + + /* Compare the transformed strings. */ + cmp = memcmp2 (transformed1, transformed1_length, + transformed2, transformed2_length); + if (cmp < 0) + cmp = -1; + else if (cmp > 0) + cmp = 1; + + if (transformed2 != buf2) + free (transformed2); + if (transformed1 != buf1) + free (transformed1); + *resultp = cmp; + return 0; +} -- cgit v1.2.3