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/* $XFree86: xc/programs/Xserver/hw/xfree86/common/xf86Versions.c,v 1.2 2003/08/24 20:01:19 dawes Exp $ */
/*
* Copyright (c) 2003 by The XFree86 Project, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* Except as contained in this notice, the name of the copyright holder(s)
* and author(s) shall not be used in advertising or otherwise to promote
* the sale, use or other dealings in this Software without prior written
* authorization from the copyright holder(s) and author(s).
*/
#include "xf86.h"
#include "xf86OSmouse.h"
#include "xf86OSKbd.h"
static CARD32 registeredVersions[NUM_BUILTIN_IFS];
CARD32
xf86GetBuiltinInterfaceVersion(BuiltinInterface iface, int flags)
{
if (iface < 0 || iface >= NUM_BUILTIN_IFS) {
xf86Msg(X_ERROR, "xf86GetBuiltinInterfaceVersion: Unexpected interface"
"query: %d\n", iface);
return 0;
}
if (registeredVersions[iface])
return registeredVersions[iface];
/* Most built-in interfaces are handled this way. */
switch (iface) {
case BUILTIN_IF_OSMOUSE:
return OS_MOUSE_VERSION_CURRENT;
case BUILTIN_IF_OSKBD:
return OS_KBD_VERSION_CURRENT;
default:
xf86Msg(X_ERROR, "xf86GetBuiltinInterfaceVersion: internal error: "
"interface %d not handled\n", iface);
return 0;
}
}
Bool
xf86RegisterBuiltinInterfaceVersion(BuiltinInterface iface, CARD32 version,
int flags)
{
if (iface < 0 || iface >= NUM_BUILTIN_IFS) {
xf86Msg(X_ERROR, "xf86RegisterBuiltinInterfaceVersion: "
"unexpected interface number: %d\n", iface);
return FALSE;
}
if (version == 0) {
xf86Msg(X_ERROR, "xf86RegisterBuiltinInterfaceVersion: "
"versions must be greater than zero\n");
return FALSE;
}
registeredVersions[iface] = version;
return TRUE;
}
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