diff options
Diffstat (limited to 'libc/stdio/wsetup.c')
| -rw-r--r-- | libc/stdio/wsetup.c | 86 |
1 files changed, 0 insertions, 86 deletions
diff --git a/libc/stdio/wsetup.c b/libc/stdio/wsetup.c deleted file mode 100644 index 0834223..0000000 --- a/libc/stdio/wsetup.c +++ /dev/null @@ -1,86 +0,0 @@ -/* $OpenBSD: wsetup.c,v 1.7 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 <stdio.h> -#include <stdlib.h> -#include "local.h" - -/* - * Various output routines call wsetup to be sure it is safe to write, - * because either _flags does not include __SWR, or _buf is NULL. - * _wsetup returns 0 if OK to write, nonzero otherwise. - */ -int -__swsetup(FILE *fp) -{ - /* make sure stdio is set up */ - if (!__sdidinit) - __sinit(); - - /* - * If we are not writing, we had better be reading and writing. - */ - if ((fp->_flags & __SWR) == 0) { - if ((fp->_flags & __SRW) == 0) - return (EOF); - if (fp->_flags & __SRD) { - /* clobber any ungetc data */ - if (HASUB(fp)) - FREEUB(fp); - fp->_flags &= ~(__SRD|__SEOF); - fp->_r = 0; - fp->_p = fp->_bf._base; - } - fp->_flags |= __SWR; - } - - /* - * Make a buffer if necessary, then set _w. - */ - if (fp->_bf._base == NULL) { - if ((fp->_flags & (__SSTR | __SALC)) == __SSTR) - return (EOF); - __smakebuf(fp); - } - if (fp->_flags & __SLBF) { - /* - * It is line buffered, so make _lbfsize be -_bufsize - * for the putc() macro. We will change _lbfsize back - * to 0 whenever we turn off __SWR. - */ - fp->_w = 0; - fp->_lbfsize = -fp->_bf._size; - } else - fp->_w = fp->_flags & __SNBF ? 0 : fp->_bf._size; - return (0); -} |