--- Libc/Libc-1725.40.4/stdio/FreeBSD/fflush.c
+++ /dev/null
@@ -1,177 +0,0 @@
-/*-
- * Copyright (c) 1990, 1993
- *	The Regents of the University of California.  All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * Chris Torek.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 4. Neither the name of the University nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#if defined(LIBC_SCCS) && !defined(lint)
-static char sccsid[] = "@(#)fflush.c	8.1 (Berkeley) 6/4/93";
-#endif /* LIBC_SCCS and not lint */
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD: src/lib/libc/stdio/fflush.c,v 1.14 2007/01/09 00:28:06 imp Exp $");
-
-#include "namespace.h"
-#include <errno.h>
-#include <stdio.h>
-#include <string.h>
-#include "un-namespace.h"
-#include "libc_private.h"
-#include "local.h"
-#include "libc_hooks_impl.h"
-
-static int	sflush_locked(FILE *);
-
-/*
- * Flush a single file, or (if fp is NULL) all files.
- * MT-safe version
- */
-int
-fflush(FILE *fp)
-{
-	int retval = 0;
-
-	if (fp == NULL) {
-		return (_fwalk(sflush_locked));
-	}
-
-	libc_hooks_will_write(fp, sizeof(*fp));
-
-	FLOCKFILE(fp);
-	retval = __sflush(fp);
-	FUNLOCKFILE(fp);
-	return (retval);
-}
-
-/*
- * Flush a single file, or (if fp is NULL) all files.
- * Non-MT-safe version
- */
-int
-__fflush(FILE *fp)
-{
-	int retval;
-
-	if (fp == NULL)
-		return (_fwalk(sflush_locked));
-	if ((fp->_flags & (__SWR | __SRW)) == 0) {
-		retval = 0;
-	} else
-		retval = __sflush(fp);
-	return (retval);
-}
-
-int
-__sflush(FILE *fp)
-{
-	unsigned char *p;
-	int f, n, t;
-
-	f = fp->_flags;
-
-	if ((p = fp->_bf._base) == NULL)
-		return (0);
-
-	/*
-	 * SUSv3 requires that fflush() on a seekable input stream updates the file
-	 * position indicator with the underlying seek function.  Use a dumb fseek
-	 * for this (don't attempt to preserve the buffers).
-	 */
-	if ((f & __SRD) != 0) {
-		if (fp->_seek == NULL) {
-			/*
-			 * No way to seek this file -- just return "success."
-			 */
-			return (0);
-		}
-
-		n = fp->_r;
-
-		if (n > 0) {
-			/*
-			 * See _fseeko's dumb path.
-			 */
-			if (_sseek(fp, (fpos_t)-n, SEEK_CUR) == -1) {
-				if (errno == ESPIPE) {
-					/*
-					 * Ignore ESPIPE errors, since there's no way to put the bytes
-					 * back into the pipe.
-					 */
-					return (0);
-				}
-				return (EOF);
-			}
-
-			if (HASUB(fp)) {
-				FREEUB(fp);
-			}
-			fp->_p = fp->_bf._base;
-			fp->_r = 0;
-			fp->_flags &= ~__SEOF;
-			memset(&fp->_mbstate, 0, sizeof(mbstate_t));
-		}
-		return (0);
-	}
-
-	if ((f & __SWR) != 0) {
-		n = fp->_p - p;		/* write this much */
-
-		/*
-		 * Set these immediately to avoid problems with longjmp and to allow
-		 * exchange buffering (via setvbuf) in user write function.
-		 */
-		fp->_p = p;
-		fp->_w = f & (__SLBF|__SNBF) ? 0 : fp->_bf._size;
-
-		for (; n > 0; n -= t, p += t) {
-			t = _swrite(fp, (char *)p, n);
-			if (t <= 0) {
-				if (p > fp->_p)
-					/* some was written */
-					memmove(fp->_p, p, n);
-				fp->_p += n;
-				if ((fp->_flags & __SNBF) == 0)
-					fp->_w -= n;
-				fp->_flags |= __SERR;
-				return (EOF);
-			}
-		}
-	}
-	return (0);
-}
-
-static int
-sflush_locked(FILE *fp)
-{
-	int	ret;
-
-	FLOCKFILE(fp);
-	ret = __sflush(fp);
-	FUNLOCKFILE(fp);
-	return (ret);
-}