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mail/echo.c 1.59 KB
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/* GNU Mailutils -- a suite of utilities for electronic mail
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   Copyright (C) 1999, 2001, 2002, 2007, 2010 Free Software Foundation,
   Inc.
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   GNU Mailutils is free software; you can redistribute it and/or modify
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   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.

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   GNU Mailutils is distributed in the hope that it will be useful,
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   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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#include "mail.h"

/*
 * ec[ho] string ...
 */

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static int
echo (char *s)
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{
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  struct mu_wordsplit ws;
  size_t len = strlen (s);
  int rc = 1;

  /* FIXME: This logic is flawed */
  if (len > 0 && s[len - 1] == '\\')
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    {
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      if (len == 1)
	return 0;
      if (s[len-2] != '\\')
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	{
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	  --len;
	  rc = 0;
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	}
    }
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  if (mu_wordsplit_len (s, len, &ws,
			MU_WRDSF_NOSPLIT |
			MU_WRDSF_NOCMD | MU_WRDSF_NOVAR | MU_WRDSF_QUOTE))
    {
      mu_error (_("cannot split `%s': %s"), s,
		mu_wordsplit_strerror (&ws));
    }
  else
    {
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      mu_printf ("%s", ws.ws_wordv[0]);
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      mu_wordsplit_free (&ws);
    }
  return rc;
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}

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int
mail_echo (int argc, char **argv)
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{
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  if (argc > 1)
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    {
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      int i = 0;
      
      for (i = 1; i < argc; i++)
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	{
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	  if (echo (argv[i]))
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	    mu_printf (" ");
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	}
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      mu_printf ("\n");
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    }
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  return 0;
}
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