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