root/maint/gnulib/lib/btowc.c

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DEFINITIONS

This source file includes following definitions.
  1. btowc

   1 /* Convert unibyte character to wide character.
   2    Copyright (C) 2008, 2010-2021 Free Software Foundation, Inc.
   3    Written by Bruno Haible <bruno@clisp.org>, 2008.
   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 /* Specification.  */
  21 #include <wchar.h>
  22 
  23 #include <stdio.h>
  24 #include <stdlib.h>
  25 
  26 wint_t
  27 btowc (int c)
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  28 {
  29   if (c != EOF)
  30     {
  31       char buf[1];
  32       wchar_t wc;
  33 
  34       buf[0] = c;
  35       if (mbtowc (&wc, buf, 1) >= 0)
  36         return wc;
  37     }
  38   return WEOF;
  39 }

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