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/* Execute a program and wait for a result.

   Copyright (C) 2005 Free Software Foundation, Inc.

This file is part of the libiberty library.

Libiberty is free software; you can redistribute it and/or

modify it under the terms of the GNU Library General Public

License as published by the Free Software Foundation; either

version 2 of the License, or (at your option) any later version.

Libiberty 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

Library General Public License for more details.

You should have received a copy of the GNU Library General Public

License along with libiberty; see the file COPYING.LIB.  If not,

write to the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor,

Boston, MA 02110-1301, USA.  */

#include "config.h"

#include "libiberty.h"

const char *

pex_one (int flags, const char *executable, char * const *argv,

         const char *pname, const char *outname, const char *errname,

         int *status, int *err)

{

  struct pex_obj *obj;

  const char *errmsg;

  obj = pex_init (0, pname, NULL);

  errmsg = pex_run (obj, flags, executable, argv, outname, errname, err);

  if (errmsg == NULL)

    {

      if (!pex_get_status (obj, 1, status))

        {

          *err = 0;

          errmsg = "pex_get_status failed";

        }

    }

  pex_free (obj);

  return errmsg;

}