1  /* Test iconv support.
       2     Copyright (C) 2018-2023 Free Software Foundation, Inc.
       3  
       4     This program is free software: you can redistribute it and/or modify
       5     it under the terms of the GNU General Public License as published by
       6     the Free Software Foundation, either version 3 of the License, or
       7     (at your option) any later version.
       8  
       9     This program is distributed in the hope that it will be useful,
      10     but WITHOUT ANY WARRANTY; without even the implied warranty of
      11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      12     GNU General Public License for more details.
      13  
      14     You should have received a copy of the GNU General Public License
      15     along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
      16  
      17  #include <config.h>
      18  
      19  /* Specification.  */
      20  extern int iconv_supports_encoding (const char *encoding);
      21  
      22  #if HAVE_ICONV
      23  # include <iconv.h>
      24  #endif
      25  
      26  /* Tests whether iconv() supports a given encoding.  */
      27  int
      28  iconv_supports_encoding (const char *encoding)
      29  {
      30  #if HAVE_ICONV
      31    iconv_t cd = iconv_open ("UTF-8", encoding);
      32    if (cd != (iconv_t) -1)
      33      {
      34        iconv_close (cd);
      35        return 1;
      36      }
      37  #endif
      38    return 0;
      39  }