gcc/libgfortran/intrinsics/perror.c

54 lines
1.7 KiB
C

/* Implementation of the PERROR intrinsic.
Copyright (C) 2005, 2007, 2009, 2011 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>
/* SUBROUTINE PERROR(STRING)
CHARACTER(len=*), INTENT(IN) :: STRING */
extern void perror_sub (char *, gfc_charlen_type);
iexport_proto(perror_sub);
void
perror_sub (char *string, gfc_charlen_type string_len)
{
char * str;
/* Trim trailing spaces from paths. */
while (string_len > 0 && string[string_len - 1] == ' ')
string_len--;
/* Make a null terminated copy of the strings. */
str = gfc_alloca (string_len + 1);
memcpy (str, string, string_len);
str[string_len] = '\0';
perror (str);
}
iexport(perror_sub);