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72 lines
1.8 KiB
C
72 lines
1.8 KiB
C
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/* Copyright (C) 1995 Free Software Foundation, Inc.
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This file is part of GNU Fortran libU77 library.
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This library is free software; you can redistribute it and/or modify it
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under the terms of the GNU Library General Public License as published
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by the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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GNU Fortran 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 GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with GNU Fortran; see the file COPYING.LIB. If
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not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <sys/types.h>
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#if HAVE_STDLIB_H
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# include <stdlib.h>
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#else
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# include <stdio.h>
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#endif
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#include <stdio.h>
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#if HAVE_UNISTD_H
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# include <unistd.h>
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#endif
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#if HAVE_STRING_H
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# include <string.h>
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#else
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# include <strings.h>
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#endif
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#include <errno.h> /* for ENOSYS */
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#include "f2c.h"
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/* getlogin not in svr1-3 */
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/* SGI also has character*(*) function getlog() */
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#ifdef KR_headers
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extern VOID s_copy ();
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/* Subroutine */ int G77_getlog_0 (str, Lstr)
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char *str; ftnlen Lstr;
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#else
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extern void s_copy(register char *a, register char *b, ftnlen la, ftnlen lb);
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/* Subroutine */ int G77_getlog_0 (char *str, const ftnlen Lstr)
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#endif
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{
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size_t i;
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char *p;
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int status;
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#if defined (HAVE_GETLOGIN)
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p = getlogin ();
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if (p != NULL) {
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i = strlen (p);
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s_copy (str, p, Lstr, i);
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} else {
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s_copy (str, " ", Lstr, 1);
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}
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status = 0;
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#else
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errno = ENOSYS;
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status = -1;
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#endif
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return status;
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}
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