glibc/stdio/__fsetlocking.c
Roland McGrath 35c53530e9 2001-07-20 Roland McGrath <roland@frob.com>
* libio/stdio_ext.h: Moved to ...
	* stdio-common/stdio_ext.h: ... here.
	* libio/Makefile (headers): Move stdio_ext.h from here ...
	* stdio-common/Makefile (headers): ... to here.
	* include/stdio_ext.h: New file.
	* stdio/Makefile (routines): Add the stdio_ext.h functions here.
	* stdio/Versions (GLIBC_2.2.4): Export the stdio_ext.h functions.
	* stdio/__flbf.c: New file.
	* stdio/__fbufsize.c: New file.
	* stdio/__fpending.c: New file.
	* stdio/__fpurge.c: New file.
	* stdio/__freadable.c: New file.
	* stdio/__freading.c: New file.
	* stdio/__fsetlocking.c: New file.
	* stdio/__fwritable.c: New file.
	* stdio/__fwriting.c: New file.
2001-07-21 05:09:59 +00:00

42 lines
1.2 KiB
C

/* Copyright (C) 2001 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 Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <stdio_ext.h>
#include <errno.h>
#include <stdlib.h>
int
__fsetlocking (FILE *fp, int type)
{
/* We don't really support locking. */
switch (type)
{
case FSETLOCKING_QUERY:
case FSETLOCKING_BYCALLER:
break;
case FSETLOCKING_INTERNAL:
abort ();
default:
__set_errno (EINVAL);
return -1;
}
return FSETLOCKING_BYCALLER;
}