lib/unicase/invariant.h

   1 /* Internal functions for Unicode character case mappings.
   2    Copyright (C) 2009-2019 Free Software Foundation, Inc.
   3    Written by Bruno Haible <bruno@clisp.org>, 2009.
   4
   5    This program is free software: you can redistribute it and/or modify it
   6    under the terms of the GNU Lesser General Public License as published
   7    by the Free Software Foundation; either version 3 of the License, or
   8    (at your option) any later version.
   9
  10    This program is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public License
  16    along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
  17
  18 #include <stdbool.h>
  19 #include <stddef.h>
  20
  21 #include "unitypes.h"
  22 #include "uninorm.h"
  23
  24 /* Return true if mapping NFD(S) to via MAPPING is a no-op.  */
  25 extern int
  26        u8_is_invariant (const uint8_t *s, size_t n,
  27                         uint8_t * (*mapping) (const uint8_t *s, size_t n, const char *iso639_language,
  28                                               uninorm_t nf,
  29                                               uint8_t *resultbuf, size_t *lengthp),
  30                         const char *iso639_language,
  31                         bool *resultp);
  32 extern int
  33        u16_is_invariant (const uint16_t *s, size_t n,
  34                          uint16_t * (*mapping) (const uint16_t *s, size_t n, const char *iso639_language,
  35                                                 uninorm_t nf,
  36                                                 uint16_t *resultbuf, size_t *lengthp),
  37                          const char *iso639_language,
  38                          bool *resultp);
  39 extern int
  40        u32_is_invariant (const uint32_t *s, size_t n,
  41                          uint32_t * (*mapping) (const uint32_t *s, size_t n, const char *iso639_language,
  42                                                 uninorm_t nf,
  43                                                 uint32_t *resultbuf, size_t *lengthp),
  44                          const char *iso639_language,
  45                          bool *resultp);