glibc/stdio/fclose.c
Roland McGrath 600927014b Wed Sep 20 18:02:03 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>
* locale/locale.c: Include errno.h.
	* locale/localedef.c: Likewise.

Tue Sep 19 00:02:06 1995  Roland McGrath  <roland@churchy.gnu.ai.mit.edu>

	* Makefile (distclean-1): Remove config.cache, config.log, config.h.
	(parent-mostlyclean): Remove all flavors of the parent library.

	* misc/mntent.c (getmntent): Skip multiple whitespace chars
	between fields.

	* hurd/hurdstartup.c (_hurd_startup): If RPC returns
	EXEC_STACK_ARGS flag, get args from stack.
	If args on stack but have info from RPC, relocate args on stack to make
	space for struct hurd_startup_data.

	* elf/dl-object.c: Include errno.h.
	* posix/execvp.c: Likewise.
	* dirent/scandir.c: Likewise.
	* sysdeps/posix/system.c: Likewise.
	* sysdeps/generic/setenv.c: Likewise.
	* stdlib/msort.c: Likewise.
	* stdio/memstream.c: Likewise.
	* stdio/fclose.c: Likewise.
	* stdio/getdelim.c: Likewise.
	* stdio/setvbuf.c: Likewise.
	* sysdeps/ieee754/ldexp.c: Likewise.
	* locale/locfile-parse.c: Likewise.

	* stdlib/lcong48_r.c: Don't check for null argument; let it fault.
	* stdlib/seed48_r.c: Likewise.
	* stdlib/srand48_r.c: Likewise.
	* stdlib/jrand48_r.c: Likewise.
	* stdlib/nrand48_r.c: Likewise.

	* misc/search.h: Many decls for hsearch functions.
1995-09-21 04:01:40 +00:00

71 lines
1.9 KiB
C

/* Copyright (C) 1991, 1995 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., 675 Mass Ave,
Cambridge, MA 02139, USA. */
#include <ansidecl.h>
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
/* Close a stream. */
int
DEFUN(fclose, (stream), register FILE *stream)
{
int status;
if (stream == NULL)
{
/* Close all streams. */
register FILE *f;
for (f = __stdio_head; f != NULL; f = f->__next)
if (__validfp(f))
(void) fclose(f);
return 0;
}
if (!__validfp(stream))
{
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;
}