mirror of
git://gcc.gnu.org/git/gcc.git
synced 2024-12-29 08:54:42 +08:00
fe2ae685a1
2005-08-17 Kelley Cook <kcook@gcc.gnu.org> * All files: Update FSF address. From-SVN: r103194
100 lines
2.9 KiB
C
100 lines
2.9 KiB
C
/* Implementation of the UNLINK intrinsic.
|
|
Copyright (C) 2004, 2005 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 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"
|
|
|
|
#ifdef HAVE_UNISTD_H
|
|
#include <unistd.h>
|
|
#endif
|
|
#ifdef HAVE_STRING_H
|
|
#include <string.h>
|
|
#endif
|
|
|
|
#include <errno.h>
|
|
|
|
/* SUBROUTINE UNLINK(NAME, STATUS)
|
|
CHARACTER(LEN= ), INTENT(IN) :: NAME
|
|
INTEGER, INTENT(OUT), OPTIONAL :: STATUS) */
|
|
|
|
extern void unlink_i4_sub (char *name, GFC_INTEGER_4 *status,
|
|
gfc_charlen_type name_len);
|
|
iexport_proto(unlink_i4_sub);
|
|
|
|
void
|
|
unlink_i4_sub (char *name, GFC_INTEGER_4 *status, gfc_charlen_type name_len)
|
|
{
|
|
char *str;
|
|
GFC_INTEGER_4 stat;
|
|
|
|
/* Trim trailing spaces from name. */
|
|
while (name_len > 0 && name[name_len - 1] == ' ')
|
|
name_len--;
|
|
|
|
/* Make a null terminated copy of the string. */
|
|
str = gfc_alloca (name_len + 1);
|
|
memcpy (str, name, name_len);
|
|
str[name_len] = '\0';
|
|
|
|
stat = unlink (str);
|
|
|
|
if (status != NULL)
|
|
*status = (stat == 0) ? stat : errno;
|
|
}
|
|
iexport(unlink_i4_sub);
|
|
|
|
extern void unlink_i8_sub (char *name, GFC_INTEGER_8 *status,
|
|
gfc_charlen_type name_len);
|
|
export_proto(unlink_i8_sub);
|
|
|
|
void
|
|
unlink_i8_sub (char *name, GFC_INTEGER_8 *status, gfc_charlen_type name_len)
|
|
{
|
|
GFC_INTEGER_4 status4;
|
|
unlink_i4_sub (name, &status4, name_len);
|
|
if (status)
|
|
*status = status4;
|
|
}
|
|
|
|
|
|
/* INTEGER FUNCTION UNLINK(NAME)
|
|
CHARACTER(LEN= ), INTENT(IN) :: NAME */
|
|
|
|
extern GFC_INTEGER_4 PREFIX(unlink) (char *, gfc_charlen_type);
|
|
export_proto_np(PREFIX(unlink));
|
|
|
|
GFC_INTEGER_4
|
|
PREFIX(unlink) (char *name, gfc_charlen_type name_len)
|
|
{
|
|
GFC_INTEGER_4 status;
|
|
unlink_i4_sub (name, &status, name_len);
|
|
return status;
|
|
}
|