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plural.c

/*
 *    fhist - file history and comparison tools
 *    Copyright (C) 1998, 2002 Peter Miller;
 *    All rights reserved.
 *
 *    This program is free software; you can redistribute it and/or modify
 *    it under the terms of the GNU General Public License as published by
 *    the Free Software Foundation; either version 2 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 General Public License for more details.
 *
 *    You should have received a copy of the GNU General Public License
 *    along with this program; if not, write to the Free Software
 *    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
 *
 * MANIFEST: functions to manipulate plurals
 */

#include <ac/stdlib.h>

#include <str.h>
#include <sub/plural.h>
#include <sub/private.h>
#include <trace.h>
#include <wstr_list.h>


wstring_ty *
sub_plural(sub_context_ty *scp, wstring_list_ty *arg)
{
    string_ty       *s;
    wstring_ty      *result;
    long            n;

    trace(("sub_plural()\n{\n"));
    switch (arg->nitems)
    {
    default:
      sub_context_error_set(scp, i18n("requires two or three arguments"));
      result = 0;
      break;

    case 3:
      wstring_list_append(arg, wstr_from_c(""));
      /* fall through... */

    case 4:
      s = wstr_to_str(arg->item[1]);
      n = atol(s->str_text);
      str_free(s);
      if (n != 1)
          result = wstr_copy(arg->item[2]);
      else
          result = wstr_copy(arg->item[3]);
      break;
    }
    trace(("return %8.8lX;\n", (long)result));
    trace(("}\n"));
    return result;
}

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