lib/uniconv/u-strconv-from-enc.h

   1 /* Conversion to UTF-8/UTF-16/UTF-32 from legacy encodings.
   2    Copyright (C) 2002, 2006-2007, 2009-2019 Free Software Foundation, Inc.
   3
   4    This program is free software: you can redistribute it and/or modify it
   5    under the terms of the GNU Lesser General Public License as published
   6    by 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 GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public License
  15    along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
  16
  17 UNIT *
  18 FUNC (const char *string,
  19       const char *fromcode,
  20       enum iconv_ilseq_handler handler)
  21 {
  22   UNIT *result;
  23   size_t length;
  24
  25   result =
  26     U_CONV_FROM_ENCODING (fromcode, handler,
  27                           string, strlen (string) + 1, NULL,
  28                           NULL, &length);
  29   if (result == NULL)
  30     return NULL;
  31   /* Verify the result has exactly one NUL unit, at the end.  */
  32   if (!(length > 0 && result[length-1] == 0
  33         && U_STRLEN (result) == length-1))
  34     {
  35       free (result);
  36       errno = EILSEQ;
  37       return NULL;
  38     }
  39   return result;
  40 }