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path: root/hw/xfree86/dixmods/extmod/modinit.c
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/*
 * Copyright (c) 1997 Matthieu Herrb
 *
 * Permission to use, copy, modify, distribute, and sell this software and its
 * documentation for any purpose is hereby granted without fee, provided that
 * the above copyright notice appear in all copies and that both that
 * copyright notice and this permission notice appear in supporting
 * documentation, and that the name of Matthieu Herrb not be used in
 * advertising or publicity pertaining to distribution of the software without
 * specific, written prior permission.  Matthieu Herrb makes no
 * representations about the suitability of this software for any purpose.
 *  It is provided "as is" without express or implied warranty.
 *
 * MATTHIEU HERRB DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
 * EVENT SHALL MATTHIEU HERRB BE LIABLE FOR ANY SPECIAL, INDIRECT OR
 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
 * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 * PERFORMANCE OF THIS SOFTWARE.
 */

#ifdef HAVE_XORG_CONFIG_H
#include <xorg-config.h>
#endif

#include "xf86Module.h"
#include "xf86Opt.h"

#include <X11/Xproto.h>

#include "extinit.h"
#include "xf86Extensions.h"
#include "globals.h"

static MODULESETUPPROTO(extmodSetup);

/*
 * Array describing extensions to be initialized
 */
static ExtensionModule extensionModules[] = {
#ifdef XSELINUX
    {
     SELinuxExtensionInit,
     SELINUX_EXTENSION_NAME,
     &noSELinuxExtension,
     NULL,
     NULL},
#endif
#ifdef XF86VIDMODE
    {
     XFree86VidModeExtensionInit,
     XF86VIDMODENAME,
     &noXFree86VidModeExtension,
     NULL,
     NULL},
#endif
#ifdef XFreeXDGA
    {
     XFree86DGAExtensionInit,
     XF86DGANAME,
     &noXFree86DGAExtension,
     XFree86DGARegister,
     NULL},
#endif
#ifdef DPMSExtension
    {
     DPMSExtensionInit,
     DPMSExtensionName,
     &noDPMSExtension,
     NULL,
     NULL},
#endif
#ifdef XV
    {
     XvExtensionInit,
     XvName,
     &noXvExtension,
     XvRegister,
     NULL},
    {
     XvMCExtensionInit,
     XvMCName,
     &noXvExtension,
     NULL,
     NULL},
#endif
#ifdef RES
    {
     ResExtensionInit,
     XRES_NAME,
     &noResExtension,
     NULL,
     NULL},
#endif
};

static XF86ModuleVersionInfo VersRec = {
    "extmod",
    MODULEVENDORSTRING,
    MODINFOSTRING1,
    MODINFOSTRING2,
    XORG_VERSION_CURRENT,
    1, 0, 0,
    ABI_CLASS_EXTENSION,
    ABI_EXTENSION_VERSION,
    MOD_CLASS_EXTENSION,
    {0, 0, 0, 0}
};

/*
 * Data for the loader
 */
_X_EXPORT XF86ModuleData extmodModuleData = { &VersRec, extmodSetup, NULL };

static pointer
extmodSetup(pointer module, pointer opts, int *errmaj, int *errmin)
{
    int i;

    /* XXX the option stuff here is largely a sample/test case */

    for (i = 0; i < ARRAY_SIZE(extensionModules); i++) {
#ifdef XSELINUX
        if (!strcmp(SELINUX_EXTENSION_NAME, extensionModules[i].name)) {
            pointer o;

            selinuxEnforcingState = SELINUX_MODE_DEFAULT;

            if ((o = xf86FindOption(opts, "SELinux mode disabled"))) {
                xf86MarkOptionUsed(o);
                selinuxEnforcingState = SELINUX_MODE_DISABLED;
            }
            if ((o = xf86FindOption(opts, "SELinux mode permissive"))) {
                xf86MarkOptionUsed(o);
                selinuxEnforcingState = SELINUX_MODE_PERMISSIVE;
            }
            if ((o = xf86FindOption(opts, "SELinux mode enforcing"))) {
                xf86MarkOptionUsed(o);
                selinuxEnforcingState = SELINUX_MODE_ENFORCING;
            }
        }
#endif

        LoadExtension(&extensionModules[i], FALSE);
    }
    /* Need a non-NULL return */
    return (pointer) 1;
}