root/maint/gnulib/lib/unicase/invariant.h

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INCLUDED FROM


   1 /* Internal functions for Unicode character case mappings.
   2    Copyright (C) 2009-2021 Free Software Foundation, Inc.
   3    Written by Bruno Haible <bruno@clisp.org>, 2009.
   4 
   5    This file is free software.
   6    It is dual-licensed under "the GNU LGPLv3+ or the GNU GPLv2+".
   7    You can redistribute it and/or modify it under either
   8      - the terms of the GNU Lesser General Public License as published
   9        by the Free Software Foundation; either version 3, or (at your
  10        option) any later version, or
  11      - the terms of the GNU General Public License as published by the
  12        Free Software Foundation; either version 2, or (at your option)
  13        any later version, or
  14      - the same dual license "the GNU LGPLv3+ or the GNU GPLv2+".
  15 
  16    This file is distributed in the hope that it will be useful,
  17    but WITHOUT ANY WARRANTY; without even the implied warranty of
  18    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  19    Lesser General Public License and the GNU General Public License
  20    for more details.
  21 
  22    You should have received a copy of the GNU Lesser General Public
  23    License and of the GNU General Public License along with this
  24    program.  If not, see <https://www.gnu.org/licenses/>.  */
  25 
  26 #include <stdbool.h>
  27 #include <stddef.h>
  28 
  29 #include "unitypes.h"
  30 #include "uninorm.h"
  31 
  32 /* Return true if mapping NFD(S) to via MAPPING is a no-op.  */
  33 extern int
  34        u8_is_invariant (const uint8_t *s, size_t n,
  35                         uint8_t * (*mapping) (const uint8_t *s, size_t n, const char *iso639_language,
  36                                               uninorm_t nf,
  37                                               uint8_t *resultbuf, size_t *lengthp),
  38                         const char *iso639_language,
  39                         bool *resultp);
  40 extern int
  41        u16_is_invariant (const uint16_t *s, size_t n,
  42                          uint16_t * (*mapping) (const uint16_t *s, size_t n, const char *iso639_language,
  43                                                 uninorm_t nf,
  44                                                 uint16_t *resultbuf, size_t *lengthp),
  45                          const char *iso639_language,
  46                          bool *resultp);
  47 extern int
  48        u32_is_invariant (const uint32_t *s, size_t n,
  49                          uint32_t * (*mapping) (const uint32_t *s, size_t n, const char *iso639_language,
  50                                                 uninorm_t nf,
  51                                                 uint32_t *resultbuf, size_t *lengthp),
  52                          const char *iso639_language,
  53                          bool *resultp);

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