sync code with last improvements from OpenBSD
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318
xserver/mi/miinitext.c
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318
xserver/mi/miinitext.c
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/***********************************************************
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Copyright 1987, 1998 The Open Group
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Permission to use, copy, modify, distribute, and sell this software and its
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documentation for any purpose is hereby granted without fee, provided that
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the above copyright notice appear in all copies and that both that
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copyright notice and this permission notice appear in supporting
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documentation.
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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Except as contained in this notice, the name of The Open Group shall not be
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used in advertising or otherwise to promote the sale, use or other dealings
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in this Software without prior written authorization from The Open Group.
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Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
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All Rights Reserved
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Permission to use, copy, modify, and distribute this software and its
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documentation for any purpose and without fee is hereby granted,
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provided that the above copyright notice appear in all copies and that
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both that copyright notice and this permission notice appear in
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supporting documentation, and that the name of Digital not be
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used in advertising or publicity pertaining to distribution of the
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software without specific, written prior permission.
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DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
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ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
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DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
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ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
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ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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SOFTWARE.
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******************************************************************/
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/*
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* Copyright (c) 2000 by The XFree86 Project, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* Except as contained in this notice, the name of the copyright holder(s)
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* and author(s) shall not be used in advertising or otherwise to promote
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* the sale, use or other dealings in this Software without prior written
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* authorization from the copyright holder(s) and author(s).
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*/
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#ifdef HAVE_DIX_CONFIG_H
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#include <dix-config.h>
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#endif
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#ifdef HAVE_XORG_CONFIG_H
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#include <xorg-config.h>
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#include "xf86Extensions.h"
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#endif
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#ifdef HAVE_DMX_CONFIG_H
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#include <dmx-config.h>
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#undef XV
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#undef DBE
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#undef SCREENSAVER
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#undef RANDR
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#undef DAMAGE
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#undef COMPOSITE
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#undef MITSHM
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#endif
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#ifdef HAVE_XNEST_CONFIG_H
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#include <xnest-config.h>
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#undef COMPOSITE
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#undef DPMSExtension
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#endif
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#include "misc.h"
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#include "extension.h"
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#include "extinit.h"
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#include "micmap.h"
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#include "os.h"
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#include "globals.h"
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#include "miinitext.h"
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/* List of built-in (statically linked) extensions */
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static const ExtensionModule staticExtensions[] = {
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{GEExtensionInit, "Generic Event Extension", &noGEExtension},
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{ShapeExtensionInit, "SHAPE", NULL},
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#ifdef MITSHM
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{ShmExtensionInit, "MIT-SHM", &noMITShmExtension},
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#endif
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{XInputExtensionInit, "XInputExtension", NULL},
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#ifdef XTEST
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{XTestExtensionInit, "XTEST", &noTestExtensions},
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#endif
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{BigReqExtensionInit, "BIG-REQUESTS", NULL},
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{SyncExtensionInit, "SYNC", NULL},
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{XkbExtensionInit, "XKEYBOARD", NULL},
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{XCMiscExtensionInit, "XC-MISC", NULL},
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#ifdef XCSECURITY
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{SecurityExtensionInit, "SECURITY", &noSecurityExtension},
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#endif
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#ifdef PANORAMIX
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{PanoramiXExtensionInit, "XINERAMA", &noPanoramiXExtension},
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#endif
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/* must be before Render to layer DisplayCursor correctly */
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{XFixesExtensionInit, "XFIXES", &noXFixesExtension},
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#ifdef XF86BIGFONT
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{XFree86BigfontExtensionInit, "XFree86-Bigfont", &noXFree86BigfontExtension},
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#endif
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{RenderExtensionInit, "RENDER", &noRenderExtension},
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#ifdef RANDR
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{RRExtensionInit, "RANDR", &noRRExtension},
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#endif
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#ifdef COMPOSITE
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{CompositeExtensionInit, "COMPOSITE", &noCompositeExtension},
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#endif
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#ifdef DAMAGE
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{DamageExtensionInit, "DAMAGE", &noDamageExtension},
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#endif
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#ifdef SCREENSAVER
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{ScreenSaverExtensionInit, "MIT-SCREEN-SAVER", &noScreenSaverExtension},
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#endif
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#ifdef DBE
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{DbeExtensionInit, "DOUBLE-BUFFER", &noDbeExtension},
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#endif
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#ifdef XRECORD
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{RecordExtensionInit, "RECORD", &noTestExtensions},
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#endif
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#ifdef DPMSExtension
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{DPMSExtensionInit, "DPMS", &noDPMSExtension},
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#endif
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#ifdef PRESENT
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{present_extension_init, "Present", NULL},
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#endif
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#ifdef DRI3
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{dri3_extension_init, "DRI3", NULL},
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#endif
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#ifdef RES
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{ResExtensionInit, "X-Resource", &noResExtension},
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#endif
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#ifdef XV
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{XvExtensionInit, "XVideo", &noXvExtension},
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{XvMCExtensionInit, "XVideo-MotionCompensation", &noXvExtension},
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#endif
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#ifdef XSELINUX
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{SELinuxExtensionInit, "SELinux", &noSELinuxExtension},
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#endif
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#ifdef GLXEXT
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{GlxExtensionInit, "GLX", &noGlxExtension},
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#endif
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};
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void
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ListStaticExtensions(void)
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{
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const ExtensionModule *ext;
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int i;
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ErrorF(" Only the following extensions can be run-time enabled/disabled:\n");
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for (i = 0; i < ARRAY_SIZE(staticExtensions); i++) {
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ext = &staticExtensions[i];
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if (ext->disablePtr != NULL) {
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ErrorF("\t%s\n", ext->name);
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}
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}
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}
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Bool
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EnableDisableExtension(const char *name, Bool enable)
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{
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const ExtensionModule *ext;
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int i;
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for (i = 0; i < ARRAY_SIZE(staticExtensions); i++) {
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ext = &staticExtensions[i];
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if (strcasecmp(name, ext->name) == 0) {
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if (ext->disablePtr != NULL) {
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*ext->disablePtr = !enable;
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return TRUE;
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}
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else {
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/* Extension is always on, impossible to disable */
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return enable; /* okay if they wanted to enable,
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fail if they tried to disable */
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}
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}
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}
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return FALSE;
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}
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void
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EnableDisableExtensionError(const char *name, Bool enable)
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{
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const ExtensionModule *ext;
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int i;
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Bool found = FALSE;
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for (i = 0; i < ARRAY_SIZE(staticExtensions); i++) {
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ext = &staticExtensions[i];
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if ((strcmp(name, ext->name) == 0) && (ext->disablePtr == NULL)) {
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ErrorF("[mi] Extension \"%s\" can not be disabled\n", name);
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found = TRUE;
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break;
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}
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}
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if (found == FALSE) {
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ErrorF("[mi] Extension \"%s\" is not recognized\n", name);
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/* Disabling a non-existing extension is a no-op anyway */
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if (enable == FALSE)
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return;
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}
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ListStaticExtensions();
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}
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static ExtensionModule *ExtensionModuleList = NULL;
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static int numExtensionModules = 0;
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static void
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AddStaticExtensions(void)
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{
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static Bool listInitialised = FALSE;
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if (listInitialised)
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return;
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listInitialised = TRUE;
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/* Add built-in extensions to the list. */
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LoadExtensionList(staticExtensions, ARRAY_SIZE(staticExtensions), TRUE);
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}
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void
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InitExtensions(int argc, char *argv[])
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{
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int i;
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ExtensionModule *ext;
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AddStaticExtensions();
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for (i = 0; i < numExtensionModules; i++) {
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ext = &ExtensionModuleList[i];
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if (ext->initFunc != NULL &&
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(ext->disablePtr == NULL || !*ext->disablePtr)) {
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LogMessageVerb(X_INFO, 3, "Initializing extension %s\n",
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ext->name);
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(ext->initFunc) ();
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}
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}
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}
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static ExtensionModule *
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NewExtensionModuleList(int size)
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{
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ExtensionModule *save = ExtensionModuleList;
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int n;
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/* Sanity check */
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if (!ExtensionModuleList)
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numExtensionModules = 0;
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n = numExtensionModules + size;
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ExtensionModuleList = reallocarray(ExtensionModuleList, n,
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sizeof(ExtensionModule));
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if (ExtensionModuleList == NULL) {
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ExtensionModuleList = save;
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return NULL;
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}
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else {
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numExtensionModules += size;
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return ExtensionModuleList + (numExtensionModules - size);
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}
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}
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void
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LoadExtensionList(const ExtensionModule ext[], int size, Bool builtin)
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{
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ExtensionModule *newext;
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int i;
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/* Make sure built-in extensions get added to the list before those
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* in modules. */
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AddStaticExtensions();
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if (!(newext = NewExtensionModuleList(size)))
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return;
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for (i = 0; i < size; i++, newext++) {
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newext->name = ext[i].name;
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newext->initFunc = ext[i].initFunc;
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newext->disablePtr = ext[i].disablePtr;
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}
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}
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