25a5e75613
PR libfortran/31607 * intrinsics/system.c (system_sub): Call flush_all_units. * io/io.h (flush_all_units): Move prototype to libgfortran.h. * libgfortran.h (flush_all_units): Add prototype. From-SVN: r124510
74 lines
2.2 KiB
C
74 lines
2.2 KiB
C
/* Implementation of the SYSTEM intrinsic.
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Copyright (C) 2004 Free Software Foundation, Inc.
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Contributed by Tobias Schlüter.
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This file is part of the GNU Fortran 95 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 2, or (at your option) any later
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version.
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In addition to the permissions in the GNU General Public License, the
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Free Software Foundation gives you unlimited permission to link the
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compiled version of this file into combinations with other programs,
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and to distribute those combinations without any restriction coming
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from the use of this file. (The General Public License restrictions
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do apply in other respects; for example, they cover modification of
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the file, and distribution when not linked into a combined
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executable.)
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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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You should have received a copy of the GNU General Public License
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along with libgfortran; see the file COPYING. If not, write to the Free
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Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301, USA. */
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#include "config.h"
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#ifdef HAVE_STRING_H
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#include <string.h>
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#endif
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#ifdef HAVE_STDLIB_H
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#include <stdlib.h>
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#endif
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#include "libgfortran.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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