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Paul Eggert
a3fd683de3
* build-aux/gendocs.sh (version): * doc/gendocs_template: * doc/gendocs_template_min: * doc/gnulib.texi: * lib/version-etc.c (COPYRIGHT_YEAR): Update copyright dates by hand in templates and the like. * all files: Run 'make update-copyright'.
75 lines
2.1 KiB
C
75 lines
2.1 KiB
C
/* Case and normalization insensitive comparison of strings.
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Copyright (C) 2009-2017 Free Software Foundation, Inc.
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Written by Bruno Haible <bruno@clisp.org>, 2009.
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This program is free software: you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published
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by the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#include <config.h>
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/* Specification. */
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#include "unicase.h"
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#include <errno.h>
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#include <stdlib.h>
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#include "minmax.h"
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#include "uninorm.h"
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#include "uniconv.h"
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#include "unistr.h"
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static uint8_t *
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ulc_u8_casefold (const char *s, size_t n, const char *iso639_language,
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uninorm_t nf,
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uint8_t *resultbuf, size_t *lengthp)
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{
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uint8_t convbuf[2048 / sizeof (uint8_t)];
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uint8_t *conv;
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size_t conv_length;
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uint8_t *result;
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/* Convert the string to UTF-8. */
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conv_length = sizeof (convbuf) / sizeof (uint8_t);
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conv =
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u8_conv_from_encoding (locale_charset (), iconveh_error, s, n, NULL,
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convbuf, &conv_length);
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if (conv == NULL)
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/* errno is set here. */
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return NULL;
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/* Case-fold and normalize. */
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result = u8_casefold (conv, conv_length, iso639_language, nf,
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resultbuf, lengthp);
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if (result == NULL)
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{
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if (conv != convbuf)
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{
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int saved_errno = errno;
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free (conv);
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errno = saved_errno;
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}
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return NULL;
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}
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if (conv != convbuf)
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free (conv);
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return result;
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}
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#define FUNC ulc_casecmp
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#define UNIT uint8_t
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#define SRC_UNIT char
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#define U_CASEFOLD ulc_u8_casefold
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#define U_CMP2 u8_cmp2
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#include "u-casecmp.h"
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