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

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1 733 jeremybenn
/* Implementation of the SYMLNK intrinsic.
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   Copyright (C) 2005, 2007, 2009 Free Software Foundation, Inc.
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   Contributed by François-Xavier Coudert <coudert@clipper.ens.fr>
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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 <errno.h>
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#include <string.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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/* SUBROUTINE SYMLNK(PATH1, PATH2, STATUS)
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   CHARACTER(len=*), INTENT(IN) :: PATH1, PATH2
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   INTEGER, INTENT(OUT), OPTIONAL :: STATUS  */
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#ifdef HAVE_SYMLINK
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extern void symlnk_i4_sub (char *, char *, GFC_INTEGER_4 *, gfc_charlen_type,
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                         gfc_charlen_type);
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iexport_proto(symlnk_i4_sub);
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void
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symlnk_i4_sub (char *path1, char *path2, GFC_INTEGER_4 *status,
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             gfc_charlen_type path1_len, gfc_charlen_type path2_len)
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{
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  int val;
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  char *str1, *str2;
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  /* Trim trailing spaces from paths.  */
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  while (path1_len > 0 && path1[path1_len - 1] == ' ')
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    path1_len--;
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  while (path2_len > 0 && path2[path2_len - 1] == ' ')
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    path2_len--;
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  /* Make a null terminated copy of the strings.  */
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  str1 = gfc_alloca (path1_len + 1);
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  memcpy (str1, path1, path1_len);
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  str1[path1_len] = '\0';
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  str2 = gfc_alloca (path2_len + 1);
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  memcpy (str2, path2, path2_len);
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  str2[path2_len] = '\0';
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  val = symlink (str1, str2);
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  if (status != NULL)
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    *status = (val == 0) ? 0 : errno;
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}
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iexport(symlnk_i4_sub);
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extern void symlnk_i8_sub (char *, char *, GFC_INTEGER_8 *, gfc_charlen_type,
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                         gfc_charlen_type);
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iexport_proto(symlnk_i8_sub);
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void
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symlnk_i8_sub (char *path1, char *path2, GFC_INTEGER_8 *status,
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             gfc_charlen_type path1_len, gfc_charlen_type path2_len)
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{
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  int val;
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  char *str1, *str2;
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  /* Trim trailing spaces from paths.  */
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  while (path1_len > 0 && path1[path1_len - 1] == ' ')
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    path1_len--;
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  while (path2_len > 0 && path2[path2_len - 1] == ' ')
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    path2_len--;
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  /* Make a null terminated copy of the strings.  */
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  str1 = gfc_alloca (path1_len + 1);
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  memcpy (str1, path1, path1_len);
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  str1[path1_len] = '\0';
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  str2 = gfc_alloca (path2_len + 1);
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  memcpy (str2, path2, path2_len);
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  str2[path2_len] = '\0';
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  val = symlink (str1, str2);
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  if (status != NULL)
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    *status = (val == 0) ? 0 : errno;
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}
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iexport(symlnk_i8_sub);
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extern GFC_INTEGER_4 symlnk_i4 (char *, char *, gfc_charlen_type,
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                              gfc_charlen_type);
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export_proto(symlnk_i4);
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GFC_INTEGER_4
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symlnk_i4 (char *path1, char *path2, gfc_charlen_type path1_len,
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         gfc_charlen_type path2_len)
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{
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  GFC_INTEGER_4 val;
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  symlnk_i4_sub (path1, path2, &val, path1_len, path2_len);
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  return val;
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}
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extern GFC_INTEGER_8 symlnk_i8 (char *, char *, gfc_charlen_type,
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                              gfc_charlen_type);
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export_proto(symlnk_i8);
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GFC_INTEGER_8
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symlnk_i8 (char *path1, char *path2, gfc_charlen_type path1_len,
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         gfc_charlen_type path2_len)
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{
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  GFC_INTEGER_8 val;
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  symlnk_i8_sub (path1, path2, &val, path1_len, path2_len);
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  return val;
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}
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#endif

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