142 lines
4.1 KiB
C
142 lines
4.1 KiB
C
/* Implementation of the SYMLNK intrinsic.
|
|
Copyright (C) 2005 Free Software Foundation, Inc.
|
|
Contributed by François-Xavier Coudert <coudert@clipper.ens.fr>
|
|
|
|
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 General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2 of the License, or (at your option) any later version.
|
|
|
|
In addition to the permissions in the GNU General Public License, the
|
|
Free Software Foundation gives you unlimited permission to link the
|
|
compiled version of this file into combinations with other programs,
|
|
and to distribute those combinations without any restriction coming
|
|
from the use of this file. (The General Public License restrictions
|
|
do apply in other respects; for example, they cover modification of
|
|
the file, and distribution when not linked into a combine
|
|
executable.)
|
|
|
|
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.
|
|
|
|
You should have received a copy of the GNU General Public
|
|
License along with libgfortran; see the file COPYING. If not,
|
|
write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
|
|
Boston, MA 02110-1301, USA. */
|
|
|
|
#include "config.h"
|
|
#include "libgfortran.h"
|
|
|
|
#include <errno.h>
|
|
|
|
#include "../io/io.h"
|
|
|
|
#ifdef HAVE_STRING_H
|
|
#include <string.h>
|
|
#endif
|
|
#ifdef HAVE_UNISTD_H
|
|
#include <unistd.h>
|
|
#endif
|
|
|
|
/* SUBROUTINE SYMLNK(PATH1, PATH2, STATUS)
|
|
CHARACTER(len=*), INTENT(IN) :: PATH1, PATH2
|
|
INTEGER, INTENT(OUT), OPTIONAL :: STATUS */
|
|
|
|
#ifdef HAVE_SYMLINK
|
|
extern void symlnk_i4_sub (char *, char *, GFC_INTEGER_4 *, gfc_charlen_type,
|
|
gfc_charlen_type);
|
|
iexport_proto(symlnk_i4_sub);
|
|
|
|
void
|
|
symlnk_i4_sub (char *path1, char *path2, GFC_INTEGER_4 *status,
|
|
gfc_charlen_type path1_len, gfc_charlen_type path2_len)
|
|
{
|
|
int val;
|
|
char *str1, *str2;
|
|
|
|
/* Trim trailing spaces from paths. */
|
|
while (path1_len > 0 && path1[path1_len - 1] == ' ')
|
|
path1_len--;
|
|
while (path2_len > 0 && path2[path2_len - 1] == ' ')
|
|
path2_len--;
|
|
|
|
/* Make a null terminated copy of the strings. */
|
|
str1 = gfc_alloca (path1_len + 1);
|
|
memcpy (str1, path1, path1_len);
|
|
str1[path1_len] = '\0';
|
|
|
|
str2 = gfc_alloca (path2_len + 1);
|
|
memcpy (str2, path2, path2_len);
|
|
str2[path2_len] = '\0';
|
|
|
|
val = symlink (str1, str2);
|
|
|
|
if (status != NULL)
|
|
*status = (val == 0) ? 0 : errno;
|
|
}
|
|
iexport(symlnk_i4_sub);
|
|
|
|
extern void symlnk_i8_sub (char *, char *, GFC_INTEGER_8 *, gfc_charlen_type,
|
|
gfc_charlen_type);
|
|
iexport_proto(symlnk_i8_sub);
|
|
|
|
void
|
|
symlnk_i8_sub (char *path1, char *path2, GFC_INTEGER_8 *status,
|
|
gfc_charlen_type path1_len, gfc_charlen_type path2_len)
|
|
{
|
|
int val;
|
|
char *str1, *str2;
|
|
|
|
/* Trim trailing spaces from paths. */
|
|
while (path1_len > 0 && path1[path1_len - 1] == ' ')
|
|
path1_len--;
|
|
while (path2_len > 0 && path2[path2_len - 1] == ' ')
|
|
path2_len--;
|
|
|
|
/* Make a null terminated copy of the strings. */
|
|
str1 = gfc_alloca (path1_len + 1);
|
|
memcpy (str1, path1, path1_len);
|
|
str1[path1_len] = '\0';
|
|
|
|
str2 = gfc_alloca (path2_len + 1);
|
|
memcpy (str2, path2, path2_len);
|
|
str2[path2_len] = '\0';
|
|
|
|
val = symlink (str1, str2);
|
|
|
|
if (status != NULL)
|
|
*status = (val == 0) ? 0 : errno;
|
|
}
|
|
iexport(symlnk_i8_sub);
|
|
|
|
extern GFC_INTEGER_4 symlnk_i4 (char *, char *, gfc_charlen_type,
|
|
gfc_charlen_type);
|
|
export_proto(symlnk_i4);
|
|
|
|
GFC_INTEGER_4
|
|
symlnk_i4 (char *path1, char *path2, gfc_charlen_type path1_len,
|
|
gfc_charlen_type path2_len)
|
|
{
|
|
GFC_INTEGER_4 val;
|
|
symlnk_i4_sub (path1, path2, &val, path1_len, path2_len);
|
|
return val;
|
|
}
|
|
|
|
extern GFC_INTEGER_8 symlnk_i8 (char *, char *, gfc_charlen_type,
|
|
gfc_charlen_type);
|
|
export_proto(symlnk_i8);
|
|
|
|
GFC_INTEGER_8
|
|
symlnk_i8 (char *path1, char *path2, gfc_charlen_type path1_len,
|
|
gfc_charlen_type path2_len)
|
|
{
|
|
GFC_INTEGER_8 val;
|
|
symlnk_i8_sub (path1, path2, &val, path1_len, path2_len);
|
|
return val;
|
|
}
|
|
#endif
|