mirror of git://gcc.gnu.org/git/gcc.git
62 lines
1.8 KiB
C
62 lines
1.8 KiB
C
/* Implementation of the SYSTEM intrinsic.
|
|
Copyright (C) 2004-2013 Free Software Foundation, Inc.
|
|
Contributed by Tobias Schlüter.
|
|
|
|
This file is part of the GNU Fortran 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, 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 <string.h>
|
|
#include <stdlib.h>
|
|
|
|
extern void system_sub (const char *fcmd, GFC_INTEGER_4 * status,
|
|
gfc_charlen_type cmd_len);
|
|
iexport_proto(system_sub);
|
|
|
|
void
|
|
system_sub (const char *fcmd, GFC_INTEGER_4 *status, gfc_charlen_type cmd_len)
|
|
{
|
|
char cmd[cmd_len + 1];
|
|
int stat;
|
|
|
|
/* Flush all I/O units before executing the command. */
|
|
flush_all_units();
|
|
|
|
memcpy (cmd, fcmd, cmd_len);
|
|
cmd[cmd_len] = '\0';
|
|
|
|
stat = system (cmd);
|
|
if (status)
|
|
*status = stat;
|
|
}
|
|
iexport(system_sub);
|
|
|
|
extern GFC_INTEGER_4 PREFIX(system) (const char *, gfc_charlen_type);
|
|
export_proto_np(PREFIX(system));
|
|
|
|
GFC_INTEGER_4
|
|
PREFIX(system) (const char *fcmd, gfc_charlen_type cmd_len)
|
|
{
|
|
GFC_INTEGER_4 stat;
|
|
system_sub (fcmd, &stat, cmd_len);
|
|
return stat;
|
|
}
|