| /* 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; |
| } |