tests/iconvsupport.c

   1 /* Test iconv support.
   2    Copyright (C) 2018-2024 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 }