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authorjamie <jamie@FreeBSD.org>2010-10-19 21:32:13 +0000
committerjamie <jamie@FreeBSD.org>2010-10-19 21:32:13 +0000
commit09f9c897d33c41618ada06fbbcf1a9b3812dee53 (patch)
treeaf2ff90c73b266b86d086d66705c8cc92cce3b7b /lib/libc/stdio/fflush.c
parent831bbfaf753dc145ab80d1807336d4fb9ef8dffe (diff)
downloadFreeBSD-src-09f9c897d33c41618ada06fbbcf1a9b3812dee53.zip
FreeBSD-src-09f9c897d33c41618ada06fbbcf1a9b3812dee53.tar.gz
A new jail(8) with a configuration file, to replace the work currently done
by /etc/rc.d/jail.
Diffstat (limited to 'lib/libc/stdio/fflush.c')
-rw-r--r--lib/libc/stdio/fflush.c141
1 files changed, 0 insertions, 141 deletions
diff --git a/lib/libc/stdio/fflush.c b/lib/libc/stdio/fflush.c
deleted file mode 100644
index c0237cf..0000000
--- a/lib/libc/stdio/fflush.c
+++ /dev/null
@@ -1,141 +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("$FreeBSD$");
-
-#include "namespace.h"
-#include <errno.h>
-#include <stdio.h>
-#include "un-namespace.h"
-#include "libc_private.h"
-#include "local.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;
-
- if (fp == NULL)
- return (_fwalk(sflush_locked));
- FLOCKFILE(fp);
-
- /*
- * There is disagreement about the correct behaviour of fflush()
- * when passed a file which is not open for reading. According to
- * the ISO C standard, the behaviour is undefined.
- * Under linux, such an fflush returns success and has no effect;
- * under Windows, such an fflush is documented as behaving instead
- * as fpurge().
- * Given that applications may be written with the expectation of
- * either of these two behaviours, the only safe (non-astonishing)
- * option is to return EBADF and ask that applications be fixed.
- */
- if ((fp->_flags & (__SWR | __SRW)) == 0) {
- errno = EBADF;
- retval = EOF;
- } else
- 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) {
- errno = EBADF;
- retval = EOF;
- } else
- retval = __sflush(fp);
- return (retval);
-}
-
-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 = _swrite(fp, (char *)p, n);
- if (t <= 0) {
- fp->_flags |= __SERR;
- return (EOF);
- }
- }
- return (0);
-}
-
-static int
-sflush_locked(FILE *fp)
-{
- int ret;
-
- FLOCKFILE(fp);
- ret = __sflush(fp);
- FUNLOCKFILE(fp);
- return (ret);
-}
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