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/* Implementation of the RENAME intrinsic.
Copyright (C) 2005, 2007, 2009 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 3 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 General Public License for more details.
Under Section 7 of GPL version 3, you are granted additional
permissions described in the GCC Runtime Library Exception, version
3.1, as published by the Free Software Foundation.
You should have received a copy of the GNU General Public License and
a copy of the GCC Runtime Library Exception along with this program;
see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
<http://www.gnu.org/licenses/>. */
#include "libgfortran.h"
#include <errno.h>
#include <string.h>
/* SUBROUTINE RENAME(PATH1, PATH2, STATUS)
CHARACTER(len=*), INTENT(IN) :: PATH1, PATH2
INTEGER, INTENT(OUT), OPTIONAL :: STATUS */
extern void rename_i4_sub (char *, char *, GFC_INTEGER_4 *, gfc_charlen_type,
gfc_charlen_type);
iexport_proto(rename_i4_sub);
void
rename_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 = rename (str1, str2);
if (status != NULL)
*status = (val == 0) ? 0 : errno;
}
iexport(rename_i4_sub);
extern void rename_i8_sub (char *, char *, GFC_INTEGER_8 *, gfc_charlen_type,
gfc_charlen_type);
iexport_proto(rename_i8_sub);
void
rename_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 = rename (str1, str2);
if (status != NULL)
*status = (val == 0) ? 0 : errno;
}
iexport(rename_i8_sub);
extern GFC_INTEGER_4 rename_i4 (char *, char *, gfc_charlen_type,
gfc_charlen_type);
export_proto(rename_i4);
GFC_INTEGER_4
rename_i4 (char *path1, char *path2, gfc_charlen_type path1_len,
gfc_charlen_type path2_len)
{
GFC_INTEGER_4 val;
rename_i4_sub (path1, path2, &val, path1_len, path2_len);
return val;
}
extern GFC_INTEGER_8 rename_i8 (char *, char *, gfc_charlen_type,
gfc_charlen_type);
export_proto(rename_i8);
GFC_INTEGER_8
rename_i8 (char *path1, char *path2, gfc_charlen_type path1_len,
gfc_charlen_type path2_len)
{
GFC_INTEGER_8 val;
rename_i8_sub (path1, path2, &val, path1_len, path2_len);
return val;
}
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