upload sdk

git-svn-id: svn://kolibrios.org@4349 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-12-15 08:09:20 +00:00
parent 6c6781f799
commit 754f9336f0
5801 changed files with 1688660 additions and 0 deletions
--- a/contrib/sdk/sources/newlib/stdio/fwalk.c
+++ b/contrib/sdk/sources/newlib/stdio/fwalk.c
@@ -0,0 +1,86 @@
+/*
+ * 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.
+ */
+/* 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 <reent.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <errno.h>
+#include "local.h"
+
+int
+_DEFUN(_fwalk, (ptr, function),
+       struct _reent *ptr _AND
+       register int (*function) (FILE *))
+{
+  register FILE *fp;
+  register int n, ret = 0;
+  register struct _glue *g;
+
+  /*
+   * It should be safe to walk the list without locking it;
+   * new nodes are only added to the end and none are ever
+   * removed.
+   *
+   * Avoid locking this list while walking it or else you will
+   * introduce a potential deadlock in [at least] refill.c.
+   */
+  for (g = &ptr->__sglue; g != NULL; g = g->_next)
+    for (fp = g->_iobs, n = g->_niobs; --n >= 0; fp++)
+      if (fp->_flags != 0)
+        {
+          if (fp->_flags != 0 && fp->_flags != 1 && fp->_file != -1)
+            ret |= (*function) (fp);
+        }
+
+  return ret;
+}
+
+/* Special version of __fwalk where the function pointer is a reentrant
+   I/O function (e.g. _fclose_r).  */
+int
+_DEFUN(_fwalk_reent, (ptr, reent_function),
+       struct _reent *ptr _AND
+       register int (*reent_function) (struct _reent *, FILE *))
+{
+  register FILE *fp;
+  register int n, ret = 0;
+  register struct _glue *g;
+
+  /*
+   * It should be safe to walk the list without locking it;
+   * new nodes are only added to the end and none are ever
+   * removed.
+   *
+   * Avoid locking this list while walking it or else you will
+   * introduce a potential deadlock in [at least] refill.c.
+   */
+  for (g = &ptr->__sglue; g != NULL; g = g->_next)
+    for (fp = g->_iobs, n = g->_niobs; --n >= 0; fp++)
+      if (fp->_flags != 0)
+        {
+          if (fp->_flags != 0 && fp->_flags != 1 && fp->_file != -1)
+            ret |= (*reent_function) (ptr, fp);
+        }
+
+  return ret;
+}