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59 lines
2.0 KiB
C
59 lines
2.0 KiB
C
/* Locale-specific case-ignoring memory comparison.
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Copyright (C) 2001, 2009 Free Software Foundation, Inc.
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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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/* Written by Bruno Haible <bruno@clisp.org>, 2001. */
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#ifndef MBMEMCASECOLL_H
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#define MBMEMCASECOLL_H
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#include <stdbool.h>
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#include <stddef.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Compare the memory regions S1 = [s1..s1+s1len-1], S2 = [s2..s2+s2len-1],
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that contain character sequences, using the rules of the current locale,
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ignoring case.
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HARD_LC_COLLATE is false if the LC_COLLATE category of the current locale
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is equivalent to the "C" locale.
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This function's result is locale dependent. Unlike memcasecmp(), it works
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correctly in multibyte locales and also handles Turkish i / dotless i.
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Unlike ulc_casecmp(), it does not handle the German sharp s and the Greek
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final sigma. Like memcoll() and ulc_casecoll(), it uses collation order.
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Return a negative number if S1 < S2, a positive number if S1 > S2, 0 if
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S1 and S2 have the same contents, or an unspecified value if there is an
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error.
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Set errno to an error number if there is an error, and to zero otherwise.
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Note: This function may, in multibyte locales, return 0 for strings of
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different lengths! */
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extern int mbmemcasecoll (const char *s1, size_t s1len,
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const char *s2, size_t s2len,
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bool hard_LC_COLLATE);
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#ifdef __cplusplus
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}
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#endif
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#endif /* MBMEMCASECOLL_H */
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