84 lines
2.2 KiB
C
84 lines
2.2 KiB
C
/* Implementation of the GETCWD intrinsic.
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Copyright (C) 2004-2013 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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