1 files changed, 43 insertions, 0 deletions
diff --git a/newlib/libc/stdio/fwalk.c b/newlib/libc/stdio/fwalk.c
new file mode 100644
index 00000000000..51628346643
--- /dev/null
+++ b/newlib/libc/stdio/fwalk.c
@@ -0,0 +1,43 @@
+/* No user fns here.  Pesch 15apr92. */
+
+/*
+ * 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,
+ * advertising materials, and 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.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static char sccsid[] = "%W% (Berkeley) %G%";
+#endif /* LIBC_SCCS and not lint */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <errno.h>
+#include "local.h"
+
+int
+_fwalk (ptr, function)
+     struct _reent *ptr;
+     register int (*function) ();
+{
+  register FILE *fp;
+  register int n, ret = 0;
+  register struct _glue *g;
+
+  for (g = &ptr->__sglue; g != NULL; g = g->_next)
+    for (fp = g->_iobs, n = g->_niobs; --n >= 0; fp++)
+      if (fp->_flags != 0)
+	ret |= (*function) (fp);
+  return ret;
+}