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[/] [openrisc/] [tags/] [gnu-dev/] [fsf-gcc-snapshot-1-mar-12/] [or1k-gcc/] [libgfortran/] [intrinsics/] [gerror.c] - Rev 860
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/* Implementation of the GERROR g77 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> /* 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); }
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