initial import

1 files changed, 54 insertions, 0 deletions

diff --git a/stdio/newstream.c b/stdio/newstream.c
new file mode 100644
index 0000000000..08feb8da6e
--- /dev/null
+++ b/stdio/newstream.c
@@ -0,0 +1,54 @@
+/* Copyright (C) 1991, 1992 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 Library General Public License as
+published by the Free Software Foundation; either version 2 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB.  If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+#include <ansidecl.h>
+#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 *
+DEFUN_VOID(__newstream)
+{
+  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;
+}