1/*
2Copyright (C) 1993 Free Software Foundation
3
4This file is part of the GNU IO Library.  This library is free
5software; you can redistribute it and/or modify it under the
6terms of the GNU General Public License as published by the
7Free Software Foundation; either version 2, or (at your option)
8any later version.
9
10This library is distributed in the hope that it will be useful,
11but WITHOUT ANY WARRANTY; without even the implied warranty of
12MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13GNU General Public License for more details.
14
15You should have received a copy of the GNU General Public License
16along with this library; see the file COPYING.  If not, write to the Free
17Software Foundation, 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
18
19As a special exception, if you link this library with files
20compiled with a GNU compiler to produce an executable, this does not cause
21the resulting executable to be covered by the GNU General Public License.
22This exception does not however invalidate any other reasons why
23the executable file might be covered by the GNU General Public License. */
24
25/* I/O OS-level primitives.
26   Needs to be replaced if not using Unix.
27   Also needs to be replaced if avoiding name-space pollution
28   (in which case read would be defined in terms of _IO_read,
29   rather than vice versa). */
30
31#include "libioP.h"
32#include <sys/types.h>
33#include <sys/stat.h>
34#include <unistd.h>
35
36#ifdef TODO
37/* Add open, isatty */
38#endif
39
40_IO_ssize_t
41_IO_read (fildes, buf, nbyte)
42     int fildes;
43     void *buf;
44     _IO_size_t nbyte;
45{
46  return read (fildes, buf, nbyte);
47}
48
49_IO_ssize_t
50_IO_write (fildes, buf, nbyte)
51     int fildes;
52     const void *buf;
53     _IO_size_t nbyte;
54{
55  return write (fildes, buf, nbyte);
56}
57
58_IO_off_t
59_IO_lseek (fildes, offset, whence)
60     int fildes;
61     _IO_off_t offset;
62     int whence;
63{
64  return lseek (fildes, offset, whence);
65}
66
67int
68_IO_close (fildes)
69     int fildes;
70{
71  return close (fildes);
72}
73
74int
75_IO_fstat (fildes, buf)
76     int fildes;
77     struct stat *buf;
78{
79  return fstat (fildes, buf);
80}
81