diff options
Diffstat (limited to 'libc/stdio/fflush.c')
-rw-r--r-- | libc/stdio/fflush.c | 82 |
1 files changed, 0 insertions, 82 deletions
diff --git a/libc/stdio/fflush.c b/libc/stdio/fflush.c deleted file mode 100644 index 3f72ad8..0000000 --- a/libc/stdio/fflush.c +++ /dev/null @@ -1,82 +0,0 @@ -/* $OpenBSD: fflush.c,v 1.5 2005/08/08 08:05:36 espie Exp $ */ -/*- - * 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. - * 3. 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. - */ - -#include <errno.h> -#include <stdio.h> -#include "local.h" - -/* Flush a single file, or (if fp is NULL) all files. */ -int -fflush(FILE *fp) -{ - - if (fp == NULL) - return (_fwalk(__sflush)); - if ((fp->_flags & (__SWR | __SRW)) == 0) { - errno = EBADF; - return (EOF); - } - return (__sflush(fp)); -} - -int -__sflush(FILE *fp) -{ - unsigned char *p; - int n, t; - - t = fp->_flags; - if ((t & __SWR) == 0) - return (0); - - if ((p = fp->_bf._base) == NULL) - return (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 = t & (__SLBF|__SNBF) ? 0 : fp->_bf._size; - - for (; n > 0; n -= t, p += t) { - t = (*fp->_write)(fp->_cookie, (char *)p, n); - if (t <= 0) { - fp->_flags |= __SERR; - return (EOF); - } - } - return (0); -} |