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/* Implementation of the GETCWD intrinsic.
Copyright (C) 2004 Free Software Foundation, Inc.
Contributed by Steven G. Kargl <kargls@comcast.net>.
This file is part of the GNU Fortran 95 runtime library (libgfortran).
Libgfortran is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with libgfor; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include "config.h"
#include "libgfortran.h"
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef HAVE_STRING_H
#include <string.h>
#endif
#include <errno.h>
extern void getcwd_i4_sub (char *, GFC_INTEGER_4 *, gfc_charlen_type);
iexport_proto(getcwd_i4_sub);
void
getcwd_i4_sub (char *cwd, GFC_INTEGER_4 *status, gfc_charlen_type cwd_len)
{
char str[cwd_len + 1], *s;
GFC_INTEGER_4 stat;
memset(cwd, ' ', (size_t) cwd_len);
if (!getcwd (str, (size_t) cwd_len + 1))
stat = errno;
else
{
stat = 0;
memcpy (cwd, str, strlen (str));
}
if (status != NULL)
*status = stat;
}
iexport(getcwd_i4_sub);
extern void getcwd_i8_sub (char *, GFC_INTEGER_8 *, gfc_charlen_type);
export_proto(getcwd_i8_sub);
void
getcwd_i8_sub (char *cwd, GFC_INTEGER_8 *status, gfc_charlen_type cwd_len)
{
GFC_INTEGER_4 status4;
getcwd_i4_sub (cwd, &status4, cwd_len);
if (status)
*status = status4;
}
extern GFC_INTEGER_4 PREFIX(getcwd) (char *, gfc_charlen_type);
export_proto_np(PREFIX(getcwd));
GFC_INTEGER_4
PREFIX(getcwd) (char *cwd, gfc_charlen_type cwd_len)
{
GFC_INTEGER_4 status;
getcwd_i4_sub (cwd, &status, cwd_len);
return status;
}
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