projects / apple / libc.git / blame
| Commit | Line | Data |
|---|---|---|
| 5b2abdfb | 1 | /*- |
| e9ce8d39 A |
2 | * Copyright (c) 1990, 1993 |
| 3 | * The Regents of the University of California. All rights reserved. | |
| 4 | * | |
| 5 | * This code is derived from software contributed to Berkeley by | |
| 6 | * Chris Torek. | |
| 7 | * | |
| 8 | * Redistribution and use in source and binary forms, with or without | |
| 9 | * modification, are permitted provided that the following conditions | |
| 10 | * are met: | |
| 11 | * 1. Redistributions of source code must retain the above copyright | |
| 12 | * notice, this list of conditions and the following disclaimer. | |
| 13 | * 2. Redistributions in binary form must reproduce the above copyright | |
| 14 | * notice, this list of conditions and the following disclaimer in the | |
| 15 | * documentation and/or other materials provided with the distribution. | |
| e9ce8d39 A |
16 | * 4. Neither the name of the University nor the names of its contributors |
| 17 | * may be used to endorse or promote products derived from this software | |
| 18 | * without specific prior written permission. | |
| 19 | * | |
| 20 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
| 21 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 22 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 23 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
| 24 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
| 25 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
| 26 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 27 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
| 28 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
| 29 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
| 30 | * SUCH DAMAGE. | |
| 31 | */ | |
| 32 | ||
| 33 | #if defined(LIBC_SCCS) && !defined(lint) | |
| 9385eb3d | 34 | static char sccsid[] = "@(#)fclose.c 8.1 (Berkeley) 6/4/93"; |
| e9ce8d39 | 35 | #endif /* LIBC_SCCS and not lint */ |
| 9385eb3d | 36 | #include <sys/cdefs.h> |
| 1f2f436a | 37 | __FBSDID("$FreeBSD: src/lib/libc/stdio/fclose.c,v 1.12 2007/01/09 00:28:06 imp Exp $"); |
| e9ce8d39 | 38 | |
| 9385eb3d A |
39 | #include "namespace.h" |
| 40 | #include <errno.h> | |
| e9ce8d39 | 41 | #include <stdio.h> |
| 9385eb3d A |
42 | #include <stdlib.h> |
| 43 | #include "un-namespace.h" | |
| 44 | #include "libc_private.h" | |
| 45 | #include "local.h" | |
| e9ce8d39 A |
46 | |
| 47 | int | |
| 9385eb3d | 48 | fclose(FILE *fp) |
| e9ce8d39 | 49 | { |
| 9385eb3d | 50 | int r; |
| 5b2abdfb | 51 | |
| 23e20b00 | 52 | pthread_once(&__sdidinit, __sinit); |
| ad3c9f2a A |
53 | |
| 54 | if (fp == NULL) { | |
| 55 | errno = EFAULT; | |
| 56 | return (EOF); | |
| 57 | } | |
| 9385eb3d A |
58 | if (fp->_flags == 0) { /* not open! */ |
| 59 | errno = EBADF; | |
| 60 | return (EOF); | |
| 61 | } | |
| 62 | FLOCKFILE(fp); | |
| 63 | r = fp->_flags & __SWR ? __sflush(fp) : 0; | |
| 64 | if (fp->_close != NULL && (*fp->_close)(fp->_cookie) < 0) | |
| 65 | r = EOF; | |
| 66 | if (fp->_flags & __SMBF) | |
| 67 | free((char *)fp->_bf._base); | |
| 68 | if (HASUB(fp)) | |
| 69 | FREEUB(fp); | |
| 70 | if (HASLB(fp)) | |
| 71 | FREELB(fp); | |
| 72 | fp->_file = -1; | |
| 73 | fp->_r = fp->_w = 0; /* Mess up if reaccessed. */ | |
| 9385eb3d | 74 | FUNLOCKFILE(fp); |
| 23e20b00 | 75 | __sfprelease(fp); /* Release this FILE for reuse. */ |
| 9385eb3d | 76 | return (r); |
| e9ce8d39 | 77 | } |