root/maint/gnulib/lib/unistr/u32-uctomb.c

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DEFINITIONS

This source file includes following definitions.
  1. u32_uctomb

   1 /* Store a character in UTF-32 string.
   2    Copyright (C) 2002, 2005-2006, 2009-2021 Free Software Foundation, Inc.
   3    Written by Bruno Haible <bruno@clisp.org>, 2002.
   4 
   5    This file is free software: you can redistribute it and/or modify
   6    it under the terms of the GNU Lesser General Public License as
   7    published by the Free Software Foundation; either version 2.1 of the
   8    License, or (at your option) any later version.
   9 
  10    This file 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
  13    GNU 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 <config.h>
  19 
  20 #if defined IN_LIBUNISTRING
  21 /* Tell unistr.h to declare u32_uctomb as 'extern', not 'static inline'.  */
  22 # include "unistring-notinline.h"
  23 #endif
  24 
  25 /* Specification.  */
  26 #include "unistr.h"
  27 
  28 #if !HAVE_INLINE
  29 
  30 int
  31 u32_uctomb (uint32_t *s, ucs4_t uc, ptrdiff_t n)
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  32 {
  33   if (uc < 0xd800 || (uc >= 0xe000 && uc < 0x110000))
  34     {
  35       if (n > 0)
  36         {
  37           *s = uc;
  38           return 1;
  39         }
  40       else
  41         return -2;
  42     }
  43   else
  44     return -1;
  45 }
  46 
  47 #endif

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