4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Copyright (c) 2011, Intel Corporation. All rights reserved.<BR>
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync This program and the accompanying materials are licensed and made available under
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync the terms and conditions of the BSD License that accompanies this distribution.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync The full text of the license may be found at
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * Copyright (c) 1990, 1993
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * The Regents of the University of California. All rights reserved.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * This code is derived from software contributed to Berkeley by
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * Chris Torek.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * Redistribution and use in source and binary forms, with or without
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * modification, are permitted provided that the following conditions
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * 1. Redistributions of source code must retain the above copyright
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * notice, this list of conditions and the following disclaimer.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * 2. Redistributions in binary form must reproduce the above copyright
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * notice, this list of conditions and the following disclaimer in the
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * documentation and/or other materials provided with the distribution.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * 3. Neither the name of the University nor the names of its contributors
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * may be used to endorse or promote products derived from this software
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * without specific prior written permission.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * SUCH DAMAGE.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync NetBSD: findfp.c,v 1.23 2006/10/07 21:40:46 thorpej Exp
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync findfp.c 8.2 (Berkeley) 1/4/94
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define NDYNAMIC 10 /* add ten more whenever necessary */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/* p r w flags file bf lfbsize cookie close */ \
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync { NULL, 0, 0, flags, file, { NULL, 0 }, 0, __sF + file, __sclose, \
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/* read seek write ext up */ \
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync __sread, __sseek, __swrite, { (void *)(__sFext + file), 0 }, NULL, \
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/* ur ubuf, nbuf lb blksize offset */ \
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync 0, { '\0', '\0', '\0' }, { '\0' }, { NULL, 0 }, 0, (fpos_t)0 }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync /* the usual - (stdin + stdout + stderr) */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncstatic struct glue uglue = { 0, FOPEN_MAX - 3, usual };
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#if defined(_REENTRANT) && !defined(__lint__) /* XXX lint is busted */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define STDEXT { ._lock = MUTEX_INITIALIZER, ._lockcond = COND_INITIALIZER }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncstatic struct glue *
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync g = (struct glue *)malloc(sizeof(*g) + ALIGNBYTES + n * sizeof(FILE)
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync + n * sizeof(struct __sfileext));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync pext = (void *)(p + n);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync while (--n >= 0) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return (g);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * Find a free FILE for fopen et al.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (g->next == NULL && (g->next = moreglue(NDYNAMIC)) == NULL)
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync fp->_flags = 1; /* reserve this slot; caller sets real flags */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/* fp->_cookie = <any>; */ /* caller sets cookie, _read/_write etc */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync memset(WCIO_GET(fp), 0, sizeof(struct wchar_io_data));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * XXX. Force immediate allocation of internal memory. Not used by stdio,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * but documented historically for certain applications. Bad applications.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync n = (int)sysconf(_SC_OPEN_MAX) - FOPEN_MAX + 20; /* 20 for slop. */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync for (g = &__sglue; (n -= g->niobs) > 0 && g->next; g = g->next)
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync /* void */;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * exit() calls _cleanup() through *gMD->cleanup, set whenever we
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * open or buffer a file. This chicanery is done so that programs
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * that do not use stdio need not link it all in.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * The name `_cleanup' is, alas, fairly well known outside stdio.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync /* (void) _fwalk(fclose); */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * __sinit() is called whenever stdio's internal variables must be set up.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync /* make sure we clean up on exit */