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5b1374e9 | 1 | /* Implementation of the SYSTEM intrinsic. |
a5544970 | 2 | Copyright (C) 2004-2019 Free Software Foundation, Inc. |
5b1374e9 TS |
3 | Contributed by Tobias Schlüter. |
4 | ||
74544378 | 5 | This file is part of the GNU Fortran runtime library (libgfortran). |
5b1374e9 | 6 | |
57dea9f6 | 7 | Libgfortran is free software; you can redistribute it and/or modify it under |
5b1374e9 | 8 | the terms of the GNU General Public License as published by the Free |
748086b7 | 9 | Software Foundation; either version 3, or (at your option) any later |
5b1374e9 TS |
10 | version. |
11 | ||
57dea9f6 TM |
12 | Libgfortran is distributed in the hope that it will be useful, but WITHOUT |
13 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
5b1374e9 TS |
14 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
15 | for more details. | |
16 | ||
748086b7 JJ |
17 | Under Section 7 of GPL version 3, you are granted additional |
18 | permissions described in the GCC Runtime Library Exception, version | |
19 | 3.1, as published by the Free Software Foundation. | |
20 | ||
21 | You should have received a copy of the GNU General Public License and | |
22 | a copy of the GCC Runtime Library Exception along with this program; | |
23 | see the files COPYING3 and COPYING.RUNTIME respectively. If not, see | |
24 | <http://www.gnu.org/licenses/>. */ | |
5b1374e9 | 25 | |
36ae8a61 | 26 | #include "libgfortran.h" |
5b1374e9 | 27 | |
7d7b8bfe RH |
28 | extern void system_sub (const char *fcmd, GFC_INTEGER_4 * status, |
29 | gfc_charlen_type cmd_len); | |
30 | iexport_proto(system_sub); | |
31 | ||
5b1374e9 | 32 | void |
7d7b8bfe | 33 | system_sub (const char *fcmd, GFC_INTEGER_4 *status, gfc_charlen_type cmd_len) |
5b1374e9 | 34 | { |
581d2326 | 35 | char *cmd = fc_strdup (fcmd, cmd_len); |
5b1374e9 TS |
36 | int stat; |
37 | ||
25a5e756 FXC |
38 | /* Flush all I/O units before executing the command. */ |
39 | flush_all_units(); | |
40 | ||
5b1374e9 | 41 | stat = system (cmd); |
581d2326 | 42 | free (cmd); |
5b1374e9 TS |
43 | if (status) |
44 | *status = stat; | |
45 | } | |
7d7b8bfe RH |
46 | iexport(system_sub); |
47 | ||
48 | extern GFC_INTEGER_4 PREFIX(system) (const char *, gfc_charlen_type); | |
49 | export_proto_np(PREFIX(system)); | |
5b1374e9 TS |
50 | |
51 | GFC_INTEGER_4 | |
7d7b8bfe | 52 | PREFIX(system) (const char *fcmd, gfc_charlen_type cmd_len) |
5b1374e9 TS |
53 | { |
54 | GFC_INTEGER_4 stat; | |
7d7b8bfe | 55 | system_sub (fcmd, &stat, cmd_len); |
5b1374e9 TS |
56 | return stat; |
57 | } |