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stdio/FreeBSD/wbuf.c Libc-1725.40.4 /dev/null
--- Libc/Libc-1725.40.4/stdio/FreeBSD/wbuf.c
+++ /dev/null
@@ -1,92 +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[] = "@(#)wbuf.c	8.1 (Berkeley) 6/4/93";
-#endif /* LIBC_SCCS and not lint */
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD: src/lib/libc/stdio/wbuf.c,v 1.12 2007/01/09 00:28:08 imp Exp $");
-
-#include <stdio.h>
-#include <errno.h>
-#include "local.h"
-
-/*
- * Write the given character into the (probably full) buffer for
- * the given file.  Flush the buffer out if it is or becomes full,
- * or if c=='\n' and the file is line buffered.
- *
- * Non-MT-safe
- */
-int
-__swbuf(int c, FILE *fp)
-{
-	int n;
-
-	/*
-	 * In case we cannot write, or longjmp takes us out early,
-	 * make sure _w is 0 (if fully- or un-buffered) or -_bf._size
-	 * (if line buffered) so that we will get called again.
-	 * If we did not do this, a sufficient number of putc()
-	 * calls might wrap _w from negative to positive.
-	 */
-	fp->_w = fp->_lbfsize;
-	if (prepwrite(fp) != 0) {
-		errno = EBADF;
-		return (EOF);
-	}
-	c = (unsigned char)c;
-
-	ORIENT(fp, -1);
-
-	/*
-	 * If it is completely full, flush it out.  Then, in any case,
-	 * stuff c into the buffer.  If this causes the buffer to fill
-	 * completely, or if c is '\n' and the file is line buffered,
-	 * flush it (perhaps a second time).  The second flush will always
-	 * happen on unbuffered streams, where _bf._size==1; fflush()
-	 * guarantees that putc() will always call wbuf() by setting _w
-	 * to 0, so we need not do anything else.
-	 */
-	n = fp->_p - fp->_bf._base;
-	if (n >= fp->_bf._size) {
-		if (__fflush(fp))
-			return (EOF);
-		n = 0;
-	}
-	fp->_w--;
-	*fp->_p++ = c;
-	if (++n == fp->_bf._size || (fp->_flags & __SLBF && c == '\n'))
-		if (__fflush(fp))
-			return (EOF);
-	return (c);
-}