glibc/stdio/newstream.c
Andreas Jaeger 41bdb6e20c Update to LGPL v2.1.
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.
2001-07-06 04:58:11 +00:00

54 lines
1.6 KiB
C

/* Copyright (C) 1991, 1992, 1997 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 <stddef.h>
#include <stdio.h>
#include <stdlib.h>
/* Return a new, zeroed, stream.
You must set its cookie and io_mode.
The first operation will give it a buffer unless you do.
It will also give it the default functions unless you set the `seen' flag.
Returns NULL if a stream can't be created. */
FILE *
__newstream (void)
{
register FILE *stream;
stream = __stdio_head;
while (__validfp (stream))
stream = stream->__next;
if (stream == NULL)
{
/* None to reuse. */
stream = (FILE *) malloc (sizeof (FILE));
if (stream == NULL)
return NULL;
stream->__next = __stdio_head;
__stdio_head = stream;
}
__invalidate (stream);
stream->__magic = _IOMAGIC;
stream->__offset = (fpos_t) -1;
stream->__target = (fpos_t) -1;
return stream;
}