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-rw-r--r--stdio/setbuffer.c30
1 files changed, 30 insertions, 0 deletions
diff --git a/stdio/setbuffer.c b/stdio/setbuffer.c
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index 0000000000..7677c1e358
--- /dev/null
+++ b/stdio/setbuffer.c
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+/* Copyright (C) 1991 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>
+
+
+/* If BUF is NULL, make stream unbuffered.
+   If not, make BUF, which is N bytes long, be its buffer.  */
+void
+DEFUN(setbuffer, (stream, buf, n), FILE *stream AND char *buf AND size_t n)
+{
+  (void) setvbuf(stream, buf, buf != NULL ? _IOFBF : _IONBF, n);
+}