1 files changed, 66 insertions, 0 deletions
diff --git a/newlib/libc/stdio/wbufw.c b/newlib/libc/stdio/wbufw.c
new file mode 100644
index 000000000..01639df69
--- /dev/null
+++ b/newlib/libc/stdio/wbufw.c
@@ -0,0 +1,66 @@
+/*
+ * Copyright (c) 1990 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that the above copyright notice and this paragraph are
+ * duplicated in all such forms and that any documentation,
+ * and/or other materials related to such
+ * distribution and use acknowledge that the software was developed
+ * by the University of California, Berkeley.  The name of the
+ * University may not be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ */
+/* No user fns here.  Pesch 15apr92. */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static char sccsid[] = "%W% (Berkeley) %G%";
+#endif /* LIBC_SCCS and not lint */
+
+#include <_ansi.h>
+#include <stdio.h>
+#include <errno.h>
+#include "local.h"
+#include "fvwrite.h"
+
+/*
+ * Note that this is the same function as __swbuf_r, just to be called
+ * from wide-char functions!
+ *
+ * The only difference is that we set and test the orientation differently.
+ */
+
+int
+__swbufw_r (struct _reent *ptr,
+       register int c,
+       register FILE *fp)
+{
+  register int n;
+
+  CHECK_INIT (ptr, fp);
+
+  fp->_w = fp->_lbfsize;
+  if (cantwrite (ptr, fp))
+    return EOF;
+  c = (unsigned char) c;
+
+  if (ORIENT (fp, 1) != 1)
+    return EOF;
+
+  n = fp->_p - fp->_bf._base;
+  if (n >= fp->_bf._size)
+    {
+      if (_fflush_r (ptr, fp))
+	return EOF;
+      n = 0;
+    }
+  fp->_w--;
+  *fp->_p++ = c;
+  if (++n == fp->_bf._size || (fp->_flags & __SLBF && c == '\n'))
+    if (_fflush_r (ptr, fp))
+      return EOF;
+  return c;
+}