mirror of git://sourceware.org/git/glibc.git
61 lines
1.7 KiB
C
61 lines
1.7 KiB
C
/* Copyright (C) 1991, 1995, 1996 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Library General Public License as
|
|
published by the Free Software Foundation; either version 2 of the
|
|
License, or (at your option) any later version.
|
|
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Library General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Library General Public
|
|
License along with the GNU C Library; see the file COPYING.LIB. If not,
|
|
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
Boston, MA 02111-1307, USA. */
|
|
|
|
#include <stddef.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <errno.h>
|
|
|
|
|
|
/* Close a stream. */
|
|
int
|
|
fclose (stream)
|
|
FILE *stream;
|
|
{
|
|
int status;
|
|
|
|
if (!__validfp (stream))
|
|
{
|
|
__set_errno (EINVAL);
|
|
return EOF;
|
|
}
|
|
|
|
if (stream->__mode.__write &&
|
|
/* Flush the buffer. */
|
|
__flshfp (stream, EOF) == EOF)
|
|
return EOF;
|
|
|
|
/* Free the buffer's storage. */
|
|
if (stream->__buffer != NULL && !stream->__userbuf)
|
|
free (stream->__buffer);
|
|
|
|
/* Close the system file descriptor. */
|
|
if (stream->__io_funcs.__close != NULL)
|
|
status = (*stream->__io_funcs.__close) (stream->__cookie);
|
|
else if (!stream->__seen && stream->__cookie != NULL)
|
|
status = __stdio_close (stream->__cookie);
|
|
else
|
|
status = 0;
|
|
|
|
/* Nuke the stream, making it available for re-use. */
|
|
__invalidate (stream);
|
|
|
|
return status < 0 ? EOF : 0;
|
|
}
|