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62 lines
1.8 KiB
C
62 lines
1.8 KiB
C
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/* Implementation of the SYSTEM intrinsic.
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Copyright (C) 2004, 2007, 2009, 2011 Free Software Foundation, Inc.
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Contributed by Tobias Schlüter.
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This file is part of the GNU Fortran runtime library (libgfortran).
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Libgfortran is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 3, or (at your option) any later
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version.
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Libgfortran is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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Under Section 7 of GPL version 3, you are granted additional
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permissions described in the GCC Runtime Library Exception, version
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3.1, as published by the Free Software Foundation.
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You should have received a copy of the GNU General Public License and
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a copy of the GCC Runtime Library Exception along with this program;
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see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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<http://www.gnu.org/licenses/>. */
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#include "libgfortran.h"
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#include <string.h>
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#include <stdlib.h>
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extern void system_sub (const char *fcmd, GFC_INTEGER_4 * status,
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gfc_charlen_type cmd_len);
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iexport_proto(system_sub);
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void
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system_sub (const char *fcmd, GFC_INTEGER_4 *status, gfc_charlen_type cmd_len)
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{
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char cmd[cmd_len + 1];
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int stat;
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/* Flush all I/O units before executing the command. */
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flush_all_units();
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memcpy (cmd, fcmd, cmd_len);
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cmd[cmd_len] = '\0';
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stat = system (cmd);
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if (status)
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*status = stat;
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}
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iexport(system_sub);
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extern GFC_INTEGER_4 PREFIX(system) (const char *, gfc_charlen_type);
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export_proto_np(PREFIX(system));
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GFC_INTEGER_4
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PREFIX(system) (const char *fcmd, gfc_charlen_type cmd_len)
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{
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GFC_INTEGER_4 stat;
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system_sub (fcmd, &stat, cmd_len);
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return stat;
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}
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