| /* Implementation of the SYSTEM intrinsic. |
| Copyright (C) 2004 Free Software Foundation, Inc. |
| Contributed by Tobias Schlüter. |
| |
| 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, 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 combined |
| 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, 59 Temple Place - Suite 330, Boston, MA |
| 02111-1307, USA. */ |
| |
| #include "config.h" |
| |
| #ifdef HAVE_STRING_H |
| #include <string.h> |
| #endif |
| #ifdef HAVE_STDLIB_H |
| #include <stdlib.h> |
| #endif |
| |
| #include "libgfortran.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; |
| |
| 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; |
| } |