kc3-lang/gnulib/lib/unicase/u-casexfrm.h

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• Hash : a3fd683d
  Author :
  Date : 2017-01-01T02:59:23
  

  version-etc: new year
  
  * build-aux/gendocs.sh (version):
  * doc/gendocs_template:
  * doc/gendocs_template_min:
  * doc/gnulib.texi:
  * lib/version-etc.c (COPYRIGHT_YEAR):
  Update copyright dates by hand in templates and the like.
  * all files: Run 'make update-copyright'.
  

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• lib/unicase/u-casexfrm.h

• /* Locale dependent transformation for case insensitive comparison of Unicode
     strings.
     Copyright (C) 2009-2017 Free Software Foundation, Inc.
     Written by Bruno Haible <bruno@clisp.org>, 2009.
  
     This program is free software: you can redistribute it and/or modify it
     under the terms of the GNU Lesser General Public License as published
     by the Free Software Foundation; either version 3 of the License, or
     (at your option) any later version.
  
     This program is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     Lesser General Public License for more details.
  
     You should have received a copy of the GNU Lesser General Public License
     along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  
  char *
  FUNC (const UNIT *s, size_t n, const char *iso639_language, uninorm_t nf,
        char *resultbuf, size_t *lengthp)
  {
    UNIT foldedsbuf[2048 / sizeof (UNIT)];
    UNIT *foldeds;
    size_t foldeds_length;
    char convsbuf[2048];
    char *convs;
    size_t convs_length;
    char *result;
  
    /* Casefold and normalize the Unicode string.  */
    foldeds_length = sizeof (foldedsbuf) / sizeof (UNIT);
    foldeds = U_CASEFOLD (s, n, iso639_language, nf, foldedsbuf, &foldeds_length);
    if (foldeds == NULL)
      /* errno is set here.  */
      return NULL;
  
    /* Convert it to locale encoding.  */
    convs_length = sizeof (convsbuf) - 1;
    convs = U_CONV_TO_ENCODING (locale_charset (),
                                iconveh_error,
                                foldeds, foldeds_length,
                                NULL,
                                convsbuf, &convs_length);
    if (convs == NULL)
      {
        if (foldeds != foldedsbuf)
          {
            int saved_errno = errno;
            free (foldeds);
            errno = saved_errno;
          }
        return NULL;
      }
  
    if (foldeds != foldedsbuf)
      free (foldeds);
  
    /* Ensure one more byte is available.  */
    if (convs != convsbuf)
      {
        char *memory = (char *) realloc (convs, convs_length + 1);
        if (memory == NULL)
          {
            free (convs);
            errno = ENOMEM;
            return NULL;
          }
        convs = memory;
      }
  
    /* Apply locale dependent transformations for comparison.  */
    result = amemxfrm (convs, convs_length, resultbuf, lengthp);
    if (result == NULL)
      {
        if (convs != convsbuf)
          {
            int saved_errno = errno;
            free (convs);
            errno = saved_errno;
          }
        return NULL;
      }
  
    if (convs != convsbuf)
      free (convs);
    return result;
  }
  

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