92 lines
2.6 KiB
C
92 lines
2.6 KiB
C
/* Implementation of the UNLINK intrinsic.
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Copyright (C) 2004-2013 Free Software Foundation, Inc.
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Contributed by Steven G. Kargl <kargls@comcast.net>.
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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
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modify it under the terms of the GNU General Public
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License as published by the Free Software Foundation; either
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version 3 of the License, or (at your option) any later version.
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Libgfortran is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License 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 <errno.h>
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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/* SUBROUTINE UNLINK(NAME, STATUS)
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CHARACTER(LEN= ), INTENT(IN) :: NAME
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INTEGER, INTENT(OUT), OPTIONAL :: STATUS) */
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extern void unlink_i4_sub (char *name, GFC_INTEGER_4 *status,
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gfc_charlen_type name_len);
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iexport_proto(unlink_i4_sub);
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void
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unlink_i4_sub (char *name, GFC_INTEGER_4 *status, gfc_charlen_type name_len)
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{
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char *str;
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GFC_INTEGER_4 stat;
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/* Trim trailing spaces from name. */
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while (name_len > 0 && name[name_len - 1] == ' ')
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name_len--;
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/* Make a null terminated copy of the string. */
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str = gfc_alloca (name_len + 1);
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memcpy (str, name, name_len);
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str[name_len] = '\0';
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stat = unlink (str);
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if (status != NULL)
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*status = (stat == 0) ? stat : errno;
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}
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iexport(unlink_i4_sub);
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extern void unlink_i8_sub (char *name, GFC_INTEGER_8 *status,
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gfc_charlen_type name_len);
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export_proto(unlink_i8_sub);
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void
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unlink_i8_sub (char *name, GFC_INTEGER_8 *status, gfc_charlen_type name_len)
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{
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GFC_INTEGER_4 status4;
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unlink_i4_sub (name, &status4, name_len);
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if (status)
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*status = status4;
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}
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/* INTEGER FUNCTION UNLINK(NAME)
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CHARACTER(LEN= ), INTENT(IN) :: NAME */
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extern GFC_INTEGER_4 PREFIX(unlink) (char *, gfc_charlen_type);
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export_proto_np(PREFIX(unlink));
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GFC_INTEGER_4
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PREFIX(unlink) (char *name, gfc_charlen_type name_len)
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{
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GFC_INTEGER_4 status;
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unlink_i4_sub (name, &status, name_len);
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return status;
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}
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