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5b1374e9 TS |
1 | /* Implementation of the SYSTEM intrinsic. |
2 | Copyright (C) 2004 Free Software Foundation, Inc. | |
3 | Contributed by Tobias Schlüter. | |
4 | ||
57dea9f6 | 5 | This file is part of the GNU Fortran 95 runtime library (libgfortran). |
5b1374e9 | 6 | |
57dea9f6 | 7 | Libgfortran is free software; you can redistribute it and/or modify it under |
5b1374e9 TS |
8 | the terms of the GNU General Public License as published by the Free |
9 | Software Foundation; either version 2, or (at your option) any later | |
10 | version. | |
11 | ||
12 | In addition to the permissions in the GNU General Public License, the | |
13 | Free Software Foundation gives you unlimited permission to link the | |
14 | compiled version of this file into combinations with other programs, | |
15 | and to distribute those combinations without any restriction coming | |
16 | from the use of this file. (The General Public License restrictions | |
17 | do apply in other respects; for example, they cover modification of | |
18 | the file, and distribution when not linked into a combined | |
19 | executable.) | |
20 | ||
57dea9f6 TM |
21 | Libgfortran is distributed in the hope that it will be useful, but WITHOUT |
22 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
5b1374e9 TS |
23 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
24 | for more details. | |
25 | ||
26 | You should have received a copy of the GNU General Public License | |
57dea9f6 | 27 | along with libgfortran; see the file COPYING. If not, write to the Free |
fe2ae685 KC |
28 | Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA |
29 | 02110-1301, USA. */ | |
5b1374e9 TS |
30 | |
31 | #include "config.h" | |
5b1374e9 TS |
32 | |
33 | #ifdef HAVE_STRING_H | |
34 | #include <string.h> | |
35 | #endif | |
36 | #ifdef HAVE_STDLIB_H | |
37 | #include <stdlib.h> | |
38 | #endif | |
39 | ||
8cfe17f9 AL |
40 | #include "libgfortran.h" |
41 | ||
7d7b8bfe RH |
42 | extern void system_sub (const char *fcmd, GFC_INTEGER_4 * status, |
43 | gfc_charlen_type cmd_len); | |
44 | iexport_proto(system_sub); | |
45 | ||
5b1374e9 | 46 | void |
7d7b8bfe | 47 | system_sub (const char *fcmd, GFC_INTEGER_4 *status, gfc_charlen_type cmd_len) |
5b1374e9 TS |
48 | { |
49 | char cmd[cmd_len + 1]; | |
50 | int stat; | |
51 | ||
25a5e756 FXC |
52 | /* Flush all I/O units before executing the command. */ |
53 | flush_all_units(); | |
54 | ||
5b1374e9 TS |
55 | memcpy (cmd, fcmd, cmd_len); |
56 | cmd[cmd_len] = '\0'; | |
57 | ||
58 | stat = system (cmd); | |
59 | if (status) | |
60 | *status = stat; | |
61 | } | |
7d7b8bfe RH |
62 | iexport(system_sub); |
63 | ||
64 | extern GFC_INTEGER_4 PREFIX(system) (const char *, gfc_charlen_type); | |
65 | export_proto_np(PREFIX(system)); | |
5b1374e9 TS |
66 | |
67 | GFC_INTEGER_4 | |
7d7b8bfe | 68 | PREFIX(system) (const char *fcmd, gfc_charlen_type cmd_len) |
5b1374e9 TS |
69 | { |
70 | GFC_INTEGER_4 stat; | |
7d7b8bfe | 71 | system_sub (fcmd, &stat, cmd_len); |
5b1374e9 TS |
72 | return stat; |
73 | } |