--- Libc/Libc-1725.40.4/stdio/FreeBSD/refill.c
+++ /dev/null
@@ -1,162 +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[] = "@(#)refill.c	8.1 (Berkeley) 6/4/93";
-#endif /* LIBC_SCCS and not lint */
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD: src/lib/libc/stdio/refill.c,v 1.20 2008/04/17 22:17:54 jhb Exp $");
-
-#include "namespace.h"
-#include <errno.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include "un-namespace.h"
-
-#include "libc_private.h"
-#include "local.h"
-
-static int lflush(FILE *);
-
-static int
-lflush(FILE *fp)
-{
-	int	ret = 0;
-
-	if ((fp->_flags & (__SLBF|__SWR)) == (__SLBF|__SWR)) {
-		FLOCKFILE(fp);
-		ret = __sflush(fp);
-		FUNLOCKFILE(fp);
-	}
-	return (ret);
-}
-
-/*
- * Refill a stdio buffer.
- * Return EOF on eof or error, 0 otherwise.
- */
-__private_extern__ int
-__srefill0(FILE *fp)
-{
-
-	/* make sure stdio is set up */
-	pthread_once(&__sdidinit, __sinit);
-
-	ORIENT(fp, -1);
-
-	fp->_r = 0;		/* largely a convenience for callers */
-
-	/* SysV does not make this test; take it out for compatibility */
-	if (fp->_flags & __SEOF)
-		return (EOF);
-
-	/* if not already reading, have to be reading and writing */
-	if ((fp->_flags & __SRD) == 0) {
-		if ((fp->_flags & __SRW) == 0) {
-			errno = EBADF;
-			fp->_flags |= __SERR;
-			return (EOF);
-		}
-		/* switch to reading */
-		if (fp->_flags & __SWR) {
-			if (__sflush(fp))
-				return (EOF);
-			fp->_flags &= ~__SWR;
-			fp->_w = 0;
-			fp->_lbfsize = 0;
-		}
-		fp->_flags |= __SRD;
-	} else {
-		/*
-		 * We were reading.  If there is an ungetc buffer,
-		 * we must have been reading from that.  Drop it,
-		 * restoring the previous buffer (if any).  If there
-		 * is anything in that buffer, return.
-		 */
-		if (HASUB(fp)) {
-			FREEUB(fp);
-			if ((fp->_r = fp->_ur) != 0) {
-				fp->_p = fp->_up;
-				return (0);
-			}
-		}
-	}
-
-	if (fp->_bf._base == NULL)
-		__smakebuf(fp);
-
-	/*
-	 * Before reading from a line buffered or unbuffered file,
-	 * flush all line buffered output files, per the ANSI C
-	 * standard.
-	 */
-	if (fp->_flags & (__SLBF|__SNBF)) {
-		/* Ignore this file in _fwalk to avoid potential deadlock. */
-		fp->_flags |= __SIGN;
-		(void) _fwalk(lflush);
-		fp->_flags &= ~__SIGN;
-
-		/* Now flush this file without locking it. */
-		if ((fp->_flags & (__SLBF|__SWR)) == (__SLBF|__SWR))
-			__sflush(fp);
-	}
-	return (1);
-}
-
-__private_extern__ int
-__srefill1(FILE *fp)
-{
-
-	fp->_p = fp->_bf._base;
-	fp->_r = _sread(fp, (char *)fp->_p, fp->_bf._size);
-	fp->_flags &= ~__SMOD;	/* buffer contents are again pristine */
-	if (fp->_r <= 0) {
-		if (fp->_r == 0)
-			fp->_flags |= __SEOF;
-		else {
-			fp->_r = 0;
-			fp->_flags |= __SERR;
-		}
-		return (EOF);
-	}
-	return (0);
-}
-
-int
-__srefill(FILE *fp)
-{
-	int ret;
-
-	if ((ret = __srefill0(fp)) <= 0)
-		return ret;
-	return __srefill1(fp);
-}