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examples/iconv.c 1.67 KB
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/* GNU Mailutils -- a suite of utilities for electronic mail
Sergey Poznyakoff authored
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   Copyright (C) 2004-2005, 2007, 2010-2012, 2014-2017 Free Software
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   Foundation, Inc.
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   GNU Mailutils is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
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   the Free Software Foundation; either version 3, or (at your option)
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   any later version.

   GNU Mailutils 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
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   along with GNU Mailutils.  If not, see <http://www.gnu.org/licenses/>. */
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#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <unistd.h>

#include <mailutils/mailutils.h>

int
main (int argc, char **argv)
{
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  int i;
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  mu_stream_t in, out;
  mu_stream_t cvt;
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  const char *args[5] = { "iconv" };
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  if (argc < 3 || argc > 4)
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    {
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      fprintf (stderr, "usage: %s from-code to-code [err]\n", argv[0]);
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      return 1;
    }

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  MU_ASSERT (mu_stdio_stream_create (&in, MU_STDIN_FD, 0));
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  args[1] = argv[1];
  args[2] = argv[2];
  i = 3;
  if (argc == 4)
    args[i++] = argv[3];
  args[i] = NULL;
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  MU_ASSERT (mu_filter_create_args (&cvt, in, args[0], i, args,
				    MU_FILTER_DECODE,
				    MU_FILTER_READ));
  mu_stream_unref (in);
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  MU_ASSERT (mu_stdio_stream_create (&out, MU_STDOUT_FD, 0));
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  MU_ASSERT (mu_stream_copy (out, cvt, 0, NULL));
  mu_stream_unref (cvt);
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  mu_stream_flush (out);
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  return 0;
}