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/* GNU Mailutils -- a suite of utilities for electronic mail
Copyright (C) 1999-2022 Free Software Foundation, Inc.
GNU Mailutils is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
GNU Mailutils 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU Mailutils. If not, see <http://www.gnu.org/licenses/>. */
#include <config.h>
#include <stdlib.h>
#include <mailutils/types.h>
#include <mailutils/alloc.h>
#include <mailutils/cstr.h>
#include "muaux.h"
void
unistr_downcase (char const *input, char **output)
{
/* nothing */
*output = mu_strdup (input);
}
int
unistr_is_substring (char const *haystack, char const *needle)
{
return mu_c_strcasestr (haystack, needle) != NULL;
}
int
unistr_is_substring_dn (char const *haystack, char const *needle)
{
char *lc;
int result;
unistr_downcase (haystack, &lc);
result = mu_c_strcasestr (lc, needle) != NULL;
free (lc);
return result;
}
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