mirror of
https://github.com/autc04/Retro68.git
synced 2024-11-27 14:50:23 +00:00
58 lines
1.8 KiB
C
58 lines
1.8 KiB
C
/* Implementation of the GERROR g77 intrinsic.
|
|
Copyright (C) 2005-2017 Free Software Foundation, Inc.
|
|
Contributed by François-Xavier Coudert <coudert@clipper.ens.fr>
|
|
|
|
This file is part of the GNU Fortran runtime library (libgfortran).
|
|
|
|
Libgfortran is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 3 of the License, or (at your option) any later version.
|
|
|
|
Libgfortran is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
Under Section 7 of GPL version 3, you are granted additional
|
|
permissions described in the GCC Runtime Library Exception, version
|
|
3.1, as published by the Free Software Foundation.
|
|
|
|
You should have received a copy of the GNU General Public License and
|
|
a copy of the GCC Runtime Library Exception along with this program;
|
|
see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
#include "libgfortran.h"
|
|
|
|
#include <errno.h>
|
|
#include <string.h>
|
|
|
|
|
|
/* GERROR (MESSAGE), g77 intrinsic for retrieving the system error
|
|
message corresponding to the last system error (C errno).
|
|
CHARACTER(len=*), INTENT(OUT) :: MESSAGE */
|
|
|
|
void PREFIX(gerror) (char *, gfc_charlen_type);
|
|
export_proto_np(PREFIX(gerror));
|
|
|
|
void
|
|
PREFIX(gerror) (char * msg, gfc_charlen_type msg_len)
|
|
{
|
|
int p_len;
|
|
char *p;
|
|
|
|
p = gf_strerror (errno, msg, msg_len);
|
|
p_len = strlen (p);
|
|
/* The returned pointer p might or might not be the same as the msg
|
|
argument. */
|
|
if (p != msg)
|
|
{
|
|
if (msg_len < p_len)
|
|
p_len = msg_len;
|
|
memcpy (msg, p, p_len);
|
|
}
|
|
if (msg_len > p_len)
|
|
memset (&msg[p_len], ' ', msg_len - p_len);
|
|
}
|