7454437875
2011-11-09 Janne Blomqvist <jb@gcc.gnu.org> * configure.ac (AC_STDC_HEADERS): Remove. (AC_HEADER_TIME): Remove. (AC_HAVE_HEADERS, AC_CHECK_HEADERS): Move into a single invocation of AC_CHECK_HEADERS_ONCE, don't check for presence of C89 headers. (AC_CHECK_MEMBERS): Use single invocation. (AC_CHECK_FUNCS): Move into single invocation of AC_CHEC_FUNCS_ONCE, don't check for presence of C89 functions. * config.h.in: Regenerate. * configure: Regenerate. * intrinsics/clock.c: Include time.h. (mclock): Assume clock() is present. (mclock8): Likewise. * intrinsics/ctime.c (strctime): Assume strftime is present. (fdate): Assume time() is present. (fdate_sub): Likewise. (ctime): Likewise. * intrinsics/date_and_time.c: Don't provide abs macro. (HAVE_NO_DATE_TIME): Remove code related to macro which is never set. * intrinsics/execute_command_line.c: Assume stdlib.h is present. * intrinsics/exit.c: Likewise. * intrinsics/extends_type_of.c: Likewise. * intrinsics/gerror.c: Assume strerror() is present. * intrinsics/kill.c: Assume signal.h is present. * intrinsics/malloc.c: Assume stdlib.h is present. * intrinsics/move_alloc.c: Likewise. * intrinsics/perror.c: Assume perror() is present. * intrinsics/signal.c: Assume signal.h is present. * intrinsics/stat.c: Assume stdlib.h is present. * intrinsics/system.c: Likewise. * intrinsics/time.c: Include time.h, assume time() is present. * intrinsics/time_1.h: Conditionally include sys/time.h, unconditionally time.h. (gf_cputime): Do division in double, fallback using clock(). (gf_gettime): Assume time() is present. * intrinsics/umask.c: Assume stdlib.h is present. * runtime/backtrace.c: Likewise. * runtime/compile_options.c: Assume signal.h is present, assume C89 signals are present. * runtime/error.c: Assume signal.h and stdlib.h are present. From-SVN: r181227
58 lines
1.9 KiB
C
58 lines
1.9 KiB
C
/* Implementation of the GERROR g77 intrinsic.
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Copyright (C) 2005, 2007, 2009, 2011 Free Software Foundation, Inc.
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Contributed by François-Xavier Coudert <coudert@clipper.ens.fr>
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This file is part of the GNU Fortran 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 <errno.h>
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#include <string.h>
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/* GERROR (MESSAGE), g77 intrinsic for retrieving the system error
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message corresponding to the last system error (C errno).
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CHARACTER(len=*), INTENT(OUT) :: MESSAGE */
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void PREFIX(gerror) (char *, gfc_charlen_type);
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export_proto_np(PREFIX(gerror));
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void
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PREFIX(gerror) (char * msg, gfc_charlen_type msg_len)
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{
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int p_len;
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char *p;
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p = gf_strerror (errno, msg, msg_len);
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p_len = strlen (p);
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/* The returned pointer p might or might not be the same as the msg
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argument. */
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if (p != msg)
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{
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if (msg_len < p_len)
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p_len = msg_len;
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memcpy (msg, p, p_len);
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}
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if (msg_len > p_len)
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memset (&msg[p_len], ' ', msg_len - p_len);
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}
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