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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [libgfortran/] [intrinsics/] [getcwd.c] - Blame information for rev 733

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1 733 jeremybenn
/* Implementation of the GETCWD intrinsic.
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   Copyright (C) 2004, 2005, 2007, 2009 Free Software Foundation, Inc.
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   Contributed by Steven G. Kargl <kargls@comcast.net>.
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This file is part of the GNU Fortran 95 runtime library (libgfortran).
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Libgfortran is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public
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License as published by the Free Software Foundation; either
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version 3 of the License, or (at your option) any later version.
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Libgfortran is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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GNU General Public License for more details.
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Under Section 7 of GPL version 3, you are granted additional
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permissions described in the GCC Runtime Library Exception, version
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3.1, as published by the Free Software Foundation.
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You should have received a copy of the GNU General Public License and
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a copy of the GCC Runtime Library Exception along with this program;
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see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
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<http://www.gnu.org/licenses/>.  */
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#include "libgfortran.h"
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#include <string.h>
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#include <errno.h>
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#ifdef HAVE_GETCWD
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extern void getcwd_i4_sub (char *, GFC_INTEGER_4 *, gfc_charlen_type);
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iexport_proto(getcwd_i4_sub);
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void
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getcwd_i4_sub (char *cwd, GFC_INTEGER_4 *status, gfc_charlen_type cwd_len)
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{
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  char str[cwd_len + 1];
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  GFC_INTEGER_4 stat;
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  memset(cwd, ' ', (size_t) cwd_len);
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  if (!getcwd (str, (size_t) cwd_len + 1))
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    stat = errno;
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  else
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    {
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      stat = 0;
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      memcpy (cwd, str, strlen (str));
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    }
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  if (status != NULL)
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    *status = stat;
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}
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iexport(getcwd_i4_sub);
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extern void getcwd_i8_sub (char *, GFC_INTEGER_8 *, gfc_charlen_type);
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export_proto(getcwd_i8_sub);
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void
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getcwd_i8_sub (char *cwd, GFC_INTEGER_8 *status, gfc_charlen_type cwd_len)
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{
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  GFC_INTEGER_4 status4;
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  getcwd_i4_sub (cwd, &status4, cwd_len);
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  if (status)
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    *status = status4;
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}
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extern GFC_INTEGER_4 PREFIX(getcwd) (char *, gfc_charlen_type);
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export_proto_np(PREFIX(getcwd));
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GFC_INTEGER_4
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PREFIX(getcwd) (char *cwd, gfc_charlen_type cwd_len)
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{
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  GFC_INTEGER_4 status;
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  getcwd_i4_sub (cwd, &status, cwd_len);
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  return status;
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}
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#endif

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