OpenSolaris Launch

1 files changed, 65 insertions, 0 deletions

diff --git a/usr/src/lib/libc/port/stdio/getw.c b/usr/src/lib/libc/port/stdio/getw.c
new file mode 100644
index 0000000000..ab3f20574d
--- /dev/null
+++ b/usr/src/lib/libc/port/stdio/getw.c
@@ -0,0 +1,65 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License, Version 1.0 only
+ * (the "License").  You may not use this file except in compliance
+ * with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#pragma ident	"%Z%%M%	%I%	%E% SMI"
+
+/*	Copyright (c) 1988 AT&T	*/
+/*	  All Rights Reserved  	*/
+
+
+/*
+ * The intent here is to provide a means to make the order of
+ * bytes in an io-stream correspond to the order of the bytes
+ * in the memory while doing the io a `word' at a time.
+ */
+
+#pragma weak getw = _getw
+
+#include "synonyms.h"
+#include "file64.h"
+#include "mtlib.h"
+#include <stdio.h>
+#include <thread.h>
+#include <synch.h>
+#include "stdiom.h"
+
+/* Read sizeof(int) characters from stream and return these in an int */
+int
+getw(FILE *stream)
+{
+	int w;
+	char *s = (char *)&w;
+	int i = sizeof (int);
+	int ret;
+	rmutex_t *lk;
+
+	FLOCKFILE(lk, stream);
+	while (--i >= 0 && !(stream->_flag & (_IOERR | _IOEOF)))
+		*s++ = GETC(stream);
+	ret = ((stream->_flag & (_IOERR | _IOEOF)) ? EOF : w);
+	FUNLOCKFILE(lk);
+	return (ret);
+}