+++ /dev/null
-/*\r
- Copyright (c) 2010 - 2011, Intel Corporation. All rights reserved.<BR>\r
- This program and the accompanying materials are licensed and made available\r
- under the terms and conditions of the BSD License that accompanies this\r
- distribution. The full text of the license may be found at\r
- http://opensource.org/licenses/bsd-license.\r
-\r
- THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
- WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
-\r
- * Copyright (c) 1990, 1993\r
- * The Regents of the University of California. All rights reserved.\r
- *\r
- * This code is derived from software contributed to Berkeley by\r
- * Chris Torek.\r
- *\r
- * Redistribution and use in source and binary forms, with or without\r
- * modification, are permitted provided that the following conditions\r
- * are met:\r
- * 1. Redistributions of source code must retain the above copyright\r
- * notice, this list of conditions and the following disclaimer.\r
- * 2. Redistributions in binary form must reproduce the above copyright\r
- * notice, this list of conditions and the following disclaimer in the\r
- * documentation and/or other materials provided with the distribution.\r
- * 3. Neither the name of the University nor the names of its contributors\r
- * may be used to endorse or promote products derived from this software\r
- * without specific prior written permission.\r
- *\r
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND\r
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE\r
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE\r
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE\r
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL\r
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS\r
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)\r
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT\r
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY\r
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF\r
- * SUCH DAMAGE.\r
-\r
- NetBSD: fpurge.c,v 1.13 2003/08/07 16:43:24 agc Exp\r
- fpurge.c 8.1 (Berkeley) 6/4/93\r
-*/\r
-#include <LibConfig.h>\r
-#include <sys/EfiCdefs.h>\r
-\r
-#include <assert.h>\r
-#include <errno.h>\r
-#include <stdio.h>\r
-#include <stdlib.h>\r
-#include <wchar.h>\r
-#include "reentrant.h"\r
-#include "local.h"\r
-\r
-/*\r
- * fpurge: like fflush, but without writing anything: leave the\r
- * given FILE's buffer empty.\r
- */\r
-int\r
-fpurge(fp)\r
- FILE *fp;\r
-{\r
-\r
- _DIAGASSERT(fp != NULL);\r
- if(fp == NULL) {\r
- errno = EINVAL;\r
- return (EOF);\r
- }\r
-\r
- if (fp->_flags == 0) {\r
- errno = EBADF;\r
- return (EOF);\r
- }\r
- FLOCKFILE(fp);\r
- if (HASUB(fp))\r
- FREEUB(fp);\r
- WCIO_FREE(fp);\r
- fp->_p = fp->_bf._base;\r
- fp->_r = 0;\r
- fp->_w = fp->_flags & (__SLBF|__SNBF) ? 0 : fp->_bf._size;\r
- FUNLOCKFILE(fp);\r
- return (0);\r
-}\r