NetBSD/lib/libossaudio/oss4_global.c

64 lines
2.3 KiB
C

/* $NetBSD: oss4_global.c,v 1.1 2021/06/08 18:43:54 nia Exp $ */
/*-
* Copyright (c) 2020-2021 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Nia Alarie.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
*/
#include <errno.h>
#include "internal.h"
oss_private int
_oss4_global_ioctl(int fd, unsigned long com, void *argp)
{
int retval = 0;
switch (com) {
/*
* These ioctls were added in OSSv4 with the idea that
* applications could apply strings to audio devices to
* display what they are using them for (e.g. with song
* names) in mixer applications. In practice, the popular
* implementations of the API in FreeBSD and Solaris treat
* these as a no-op and return EINVAL, and no software in the
* wild seems to use them.
*/
case SNDCTL_SETSONG:
case SNDCTL_GETSONG:
case SNDCTL_SETNAME:
case SNDCTL_SETLABEL:
case SNDCTL_GETLABEL:
errno = EINVAL;
retval = -1;
break;
default:
errno = EINVAL;
retval = -1;
break;
}
return retval;
}