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/* Implementation of the PERROR intrinsic.

   Copyright (C) 2005, 2007, 2009, 2011 Free Software Foundation, Inc.

   Contributed by François-Xavier Coudert <coudert@clipper.ens.fr>

This file is part of the GNU Fortran runtime library (libgfortran).

Libgfortran 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 3 of the License, or (at your option) any later version.

Libgfortran 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.

Under Section 7 of GPL version 3, you are granted additional

permissions described in the GCC Runtime Library Exception, version

3.1, as published by the Free Software Foundation.

You should have received a copy of the GNU General Public License and

a copy of the GCC Runtime Library Exception along with this program;

see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see

<http://www.gnu.org/licenses/>.  */

#include "libgfortran.h"

#include <errno.h>

#include <string.h>

/* SUBROUTINE PERROR(STRING)

   CHARACTER(len=*), INTENT(IN) :: STRING   */

extern void perror_sub (char *, gfc_charlen_type);

iexport_proto(perror_sub);

void

perror_sub (char *string, gfc_charlen_type string_len)

{

  char * str;

  /* Trim trailing spaces from paths.  */

  while (string_len > 0 && string[string_len - 1] == ' ')

    string_len--;

  /* Make a null terminated copy of the strings.  */

  str = gfc_alloca (string_len + 1);

  memcpy (str, string, string_len);

  str[string_len] = '\0';

  perror (str);

}

iexport(perror_sub);