diff options
Diffstat (limited to 'StdLib/LibC/Stdio/findfp.c')
| -rw-r--r-- | StdLib/LibC/Stdio/findfp.c | 215 |
1 files changed, 0 insertions, 215 deletions
diff --git a/StdLib/LibC/Stdio/findfp.c b/StdLib/LibC/Stdio/findfp.c deleted file mode 100644 index bc8bfe3d29..0000000000 --- a/StdLib/LibC/Stdio/findfp.c +++ /dev/null @@ -1,215 +0,0 @@ -/** @file
-
- Copyright (c) 2011, Intel Corporation. All rights reserved.<BR>
- This program and the accompanying materials are licensed and made available under
- the terms and conditions of the BSD License that accompanies this distribution.
- The full text of the license may be found at
- http://opensource.org/licenses/bsd-license.
-
- THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
- WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-
- * 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.
-
- NetBSD: findfp.c,v 1.23 2006/10/07 21:40:46 thorpej Exp
- findfp.c 8.2 (Berkeley) 1/4/94
-**/
-#include <LibConfig.h>
-#include <sys/EfiCdefs.h>
-
-#include "namespace.h"
-#include <sys/param.h>
-#include <stdio.h>
-#include <errno.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include "reentrant.h"
-#include "local.h"
-#include "glue.h"
-#include <MainData.h>
-
-int __sdidinit;
-
-#define NDYNAMIC 10 /* add ten more whenever necessary */
-
-#define std(flags, file) \
-/* p r w flags file bf lfbsize cookie close */ \
- { NULL, 0, 0, flags, file, { NULL, 0 }, 0, __sF + file, __sclose, \
-/* read seek write ext up */ \
- __sread, __sseek, __swrite, { (void *)(__sFext + file), 0 }, NULL, \
-/* ur ubuf, nbuf lb blksize offset */ \
- 0, { '\0', '\0', '\0' }, { '\0' }, { NULL, 0 }, 0, (fpos_t)0 }
-
- /* the usual - (stdin + stdout + stderr) */
-static FILE usual[FOPEN_MAX - 3];
-static struct __sfileext usualext[FOPEN_MAX - 3];
-static struct glue uglue = { 0, FOPEN_MAX - 3, usual };
-
-#if defined(_REENTRANT) && !defined(__lint__) /* XXX lint is busted */
-#define STDEXT { ._lock = MUTEX_INITIALIZER, ._lockcond = COND_INITIALIZER }
-struct __sfileext __sFext[3] = { STDEXT,
- STDEXT,
- STDEXT};
-#else
-struct __sfileext __sFext[3];
-#endif
-
-FILE __sF[3] = {
- std(__SRD, STDIN_FILENO), /* stdin */
- std(__SWR, STDOUT_FILENO), /* stdout */
- std(__SWR|__SNBF, STDERR_FILENO) /* stderr */
-};
-struct glue __sglue = { &uglue, 3, __sF };
-
-static struct glue *moreglue(int);
-void f_prealloc(void);
-
-#ifdef _REENTRANT
-rwlock_t __sfp_lock = RWLOCK_INITIALIZER;
-#endif
-
-static struct glue *
-moreglue(int n)
-{
- struct glue *g;
- FILE *p;
- struct __sfileext *pext;
- static FILE empty;
-
- g = (struct glue *)malloc(sizeof(*g) + ALIGNBYTES + n * sizeof(FILE)
- + n * sizeof(struct __sfileext));
- if (g == NULL)
- return (NULL);
- p = (FILE *)ALIGN((g + 1));
- g->next = NULL;
- g->niobs = n;
- g->iobs = p;
- pext = (void *)(p + n);
- while (--n >= 0) {
- *p = empty;
- _FILEEXT_SETUP(p, pext);
- p++;
- pext++;
- }
- return (g);
-}
-
-/*
- * Find a free FILE for fopen et al.
- */
-FILE *
-__sfp()
-{
- FILE *fp;
- int n;
- struct glue *g;
-
- if (!__sdidinit)
- __sinit();
-
- rwlock_wrlock(&__sfp_lock);
- for (g = &__sglue;; g = g->next) {
- for (fp = g->iobs, n = g->niobs; --n >= 0; fp++)
- if (fp->_flags == 0)
- goto found;
- if (g->next == NULL && (g->next = moreglue(NDYNAMIC)) == NULL)
- break;
- }
- rwlock_unlock(&__sfp_lock);
- return (NULL);
-found:
- fp->_flags = 1; /* reserve this slot; caller sets real flags */
- fp->_p = NULL; /* no current pointer */
- fp->_w = 0; /* nothing to read or write */
- fp->_r = 0;
- fp->_bf._base = NULL; /* no buffer */
- fp->_bf._size = 0;
- fp->_lbfsize = 0; /* not line buffered */
- fp->_file = -1; /* no file */
-/* fp->_cookie = <any>; */ /* caller sets cookie, _read/_write etc */
- _UB(fp)._base = NULL; /* no ungetc buffer */
- _UB(fp)._size = 0;
- fp->_lb._base = NULL; /* no line buffer */
- fp->_lb._size = 0;
- memset(WCIO_GET(fp), 0, sizeof(struct wchar_io_data));
- rwlock_unlock(&__sfp_lock);
- return (fp);
-}
-
-#if 0
-/*
- * XXX. Force immediate allocation of internal memory. Not used by stdio,
- * but documented historically for certain applications. Bad applications.
- */
-void
-f_prealloc()
-{
- struct glue *g;
- int n;
-
- n = (int)sysconf(_SC_OPEN_MAX) - FOPEN_MAX + 20; /* 20 for slop. */
- for (g = &__sglue; (n -= g->niobs) > 0 && g->next; g = g->next)
- /* void */;
- if (n > 0)
- g->next = moreglue(n);
-}
-#endif
-
-/*
- * exit() calls _cleanup() through *gMD->cleanup, set whenever we
- * open or buffer a file. This chicanery is done so that programs
- * that do not use stdio need not link it all in.
- *
- * The name `_cleanup' is, alas, fairly well known outside stdio.
- */
-void
-_cleanup( void )
-{
- /* (void) _fwalk(fclose); */
- (void) fflush(NULL); /* `cheating' */
-}
-
-/*
- * __sinit() is called whenever stdio's internal variables must be set up.
- */
-void
-__sinit( void )
-{
- int i;
-
- for (i = 0; i < FOPEN_MAX - 3; i++)
- _FILEEXT_SETUP(&usual[i], &usualext[i]);
-
- /* make sure we clean up on exit */
- gMD->cleanup = _cleanup; /* conservative */
- __sdidinit = 1;
-}
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