mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-02 01:40:07 +00:00
41bdb6e20c
2001-07-06 Paul Eggert <eggert@twinsun.com> * manual/argp.texi: Remove ignored LGPL copyright notice; it's not appropriate for documentation anyway. * manual/libc-texinfo.sh: "Library General Public License" -> "Lesser General Public License". 2001-07-06 Andreas Jaeger <aj@suse.de> * All files under GPL/LGPL version 2: Place under LGPL version 2.1.
63 lines
2.0 KiB
C
63 lines
2.0 KiB
C
/* Copyright (C) 1995, 1997, 1998 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
The GNU C Library 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
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, write to the Free
|
|
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
|
02111-1307 USA. */
|
|
|
|
#include <stdio.h>
|
|
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
#include <unistd.h>
|
|
#include <hurd/fd.h>
|
|
#include <hurd/io.h>
|
|
#include <hurd/term.h>
|
|
|
|
/* Initialize STREAM as necessary.
|
|
This may change I/O functions, give a buffer, etc.
|
|
If no buffer is allocated, but the bufsize is set,
|
|
the bufsize will be used to allocate the buffer. */
|
|
void
|
|
__stdio_init_stream (FILE *stream)
|
|
{
|
|
struct hurd_fd *const d = stream->__cookie;
|
|
struct stat statb;
|
|
error_t err;
|
|
|
|
if (stream->__buffer != NULL || stream->__userbuf)
|
|
/* If's unbuffered by request, we can't do anything useful. */
|
|
return;
|
|
|
|
/* Find out what sort of file this is. */
|
|
if (err = HURD_FD_PORT_USE (d, __io_stat (port, &statb)))
|
|
return;
|
|
|
|
if (S_ISCHR (statb.st_mode))
|
|
{
|
|
/* It's a character device.
|
|
Make it line-buffered if it's a terminal. */
|
|
mach_port_t cttyid;
|
|
err = HURD_FD_PORT_USE (d, __term_getctty (port, &cttyid));
|
|
if (! err)
|
|
{
|
|
__mach_port_deallocate (__mach_task_self (), cttyid);
|
|
stream->__linebuf = 1;
|
|
}
|
|
}
|
|
|
|
/* Use the block-size field to determine
|
|
the system's optimal buffering size. */
|
|
stream->__bufsize = statb.st_blksize;
|
|
}
|