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-rw-r--r--nx-X11/lib/X11/OpenDis.c990
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diff --git a/nx-X11/lib/X11/OpenDis.c b/nx-X11/lib/X11/OpenDis.c
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-/**************************************************************************/
-/* */
-/* Copyright (c) 2001, 2011 NoMachine (http://www.nomachine.com) */
-/* Copyright (c) 2008-2014 Oleksandr Shneyder <o.shneyder@phoca-gmbh.de> */
-/* Copyright (c) 2011-2016 Mike Gabriel <mike.gabriel@das-netzwerkteam.de>*/
-/* Copyright (c) 2014-2016 Mihai Moldovan <ionic@ionic.de> */
-/* Copyright (c) 2014-2016 Ulrich Sibiller <uli42@gmx.de> */
-/* Copyright (c) 2015-2016 Qindel Group (http://www.qindel.com) */
-/* */
-/* nx-X11, NX protocol compression and NX extensions to this software */
-/* are copyright of the aforementioned persons and companies. */
-/* */
-/* Redistribution and use of the present software is allowed according */
-/* to terms specified in the file LICENSE which comes in the source */
-/* distribution. */
-/* */
-/* All rights reserved. */
-/* */
-/* NOTE: This software has received contributions from various other */
-/* contributors, only the core maintainers and supporters are listed as */
-/* copyright holders. Please contact us, if you feel you should be listed */
-/* as copyright holder, as well. */
-/* */
-/**************************************************************************/
-
-/*
-
-Copyright 1985, 1986, 1998 The Open Group
-
-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.
-
-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
-OPEN GROUP 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 Open Group 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 Open Group.
-
-*/
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-#include "Xlibint.h"
-#if USE_XCB
-#include "Xxcbint.h"
-#else /* !USE_XCB */
-#include <nx-X11/Xtrans/Xtrans.h>
-#include <nx-X11/extensions/bigreqstr.h>
-#endif /* USE_XCB */
-#include <nx-X11/Xatom.h>
-#include <nx-X11/Xresource.h>
-#include <stdio.h>
-#include "Xintconn.h"
-
-#ifdef XKB
-#include "XKBlib.h"
-#endif /* XKB */
-
-#ifdef NX_TRANS_SOCKET
-extern void *_X11TransSocketProxyConnInfo(XtransConnInfo);
-#endif
-
-#if !USE_XCB
-#define bignamelen (sizeof(XBigReqExtensionName) - 1)
-
-typedef struct {
- unsigned long seq;
- int opcode;
-} _XBigReqState;
-#endif /* !USE_XCB */
-
-#ifdef XTHREADS
-#include "locking.h"
-int (*_XInitDisplayLock_fn)(Display *dpy) = NULL;
-void (*_XFreeDisplayLock_fn)(Display *dpy) = NULL;
-
-#define InitDisplayLock(d) (_XInitDisplayLock_fn ? (*_XInitDisplayLock_fn)(d) : Success)
-#define FreeDisplayLock(d) if (_XFreeDisplayLock_fn) (*_XFreeDisplayLock_fn)(d)
-#else
-#define InitDisplayLock(dis) Success
-#define FreeDisplayLock(dis)
-#endif /* XTHREADS */
-
-static xReq _dummy_request = {
- 0, 0, 0
-};
-
-static void OutOfMemory(Display *dpy, char *setup);
-#if !USE_XCB
-static Bool _XBigReqHandler(Display *dpy, xReply *rep, char *buf, int len,
- XPointer data);
-#endif /* !USE_XCB */
-
-/*
- * Connects to a server, creates a Display object and returns a pointer to
- * the newly created Display back to the caller.
- */
-Display *
-XOpenDisplay (
- register _Xconst char *display)
-{
- register Display *dpy; /* New Display object being created. */
- register int i;
- int j, k; /* random iterator indexes */
- char *display_name; /* pointer to display name */
-#if !USE_XCB
- int endian; /* to determine which endian. */
- xConnClientPrefix client; /* client information */
- int idisplay; /* display number */
- int prefixread = 0; /* setup prefix already read? */
- char *conn_auth_name, *conn_auth_data;
- int conn_auth_namelen, conn_auth_datalen;
-#endif /* !USE_XCB */
- char *setup = NULL; /* memory allocated at startup */
- char *fullname = NULL; /* expanded name of display */
- int iscreen; /* screen number */
- xConnSetupPrefix prefix; /* prefix information */
- int vendorlen; /* length of vendor string */
- union {
- xConnSetup *setup;
- char *failure;
- char *vendor;
- xPixmapFormat *sf;
- xWindowRoot *rp;
- xDepth *dp;
- xVisualType *vp;
- } u; /* proto data returned from server */
- long setuplength; /* number of bytes in setup message */
- long usedbytes = 0; /* number of bytes we have processed */
- unsigned long mask;
- long int conn_buf_size;
- char *xlib_buffer_size;
-
-#if !USE_XCB
- bzero((char *) &client, sizeof(client));
- bzero((char *) &prefix, sizeof(prefix));
-#endif /* !USE_XCB */
-
-#if defined(NX_TRANS_SOCKET) && defined(NX_TRANS_TEST)
- fprintf(stderr, "\nXOpenDisplay: Called with display [%s].\n", display);
-#endif
- /*
- * If the display specifier string supplied as an argument to this
- * routine is NULL or a pointer to NULL, read the DISPLAY variable.
- */
- if (display == NULL || *display == '\0') {
- if ((display_name = getenv("DISPLAY")) == NULL) {
- /* Oops! No DISPLAY environment variable - error. */
- return(NULL);
- }
- }
- else {
- /* Display is non-NULL, copy the pointer */
- display_name = (char *)display;
- }
-
-/*
- * Set the default error handlers. This allows the global variables to
- * default to NULL for use with shared libraries.
- */
- if (_XErrorFunction == NULL) (void) XSetErrorHandler (NULL);
- if (_XIOErrorFunction == NULL) (void) XSetIOErrorHandler (NULL);
-
-/*
- * Attempt to allocate a display structure. Return NULL if allocation fails.
- */
- if ((dpy = Xcalloc(1, sizeof(Display))) == NULL) {
- return(NULL);
- }
-
-/*
- * Call the Connect routine to get the transport connection object.
- * If NULL is returned, the connection failed. The connect routine
- * will set fullname to point to the expanded name.
- */
-
-#if USE_XCB
- if(!_XConnectXCB(dpy, display, &fullname, &iscreen)) {
- /* Try falling back on other transports if no transport specified */
- const char *slash = strrchr(display_name, '/');
- if(slash == NULL) {
- const char *protocols[] = {"local", "unix", "tcp", "inet6", "inet", NULL};
- const char **s;
- size_t buf_size = strlen(display_name) + 7; // max strlen + 2 (null + /)
- char *buf = Xmalloc(buf_size * sizeof(char));
-
- if(buf) {
- for(s = protocols; buf && *s; s++) {
- snprintf(buf, buf_size, "%s/%s", *s, display_name);
- if(_XConnectXCB(dpy, buf, &fullname, &iscreen))
- goto fallback_success;
- }
- Xfree(buf);
- }
- }
-
- dpy->display_name = fullname;
- OutOfMemory(dpy, NULL);
- return NULL;
- }
-fallback_success:
-#else /* !USE_XCB */
- if ((dpy->trans_conn = _X11TransConnectDisplay (
- display_name, &fullname, &idisplay,
- &iscreen, &conn_auth_name,
- &conn_auth_namelen, &conn_auth_data,
- &conn_auth_datalen)) == NULL) {
- Xfree ((char *) dpy);
- return(NULL);
- }
-
- dpy->fd = _X11TransGetConnectionNumber (dpy->trans_conn);
-#endif /* USE_XCB */
-
-#if defined(NX_TRANS_SOCKET) && defined(NX_TRANS_TEST)
- fprintf(stderr, "\nXOpenDisplay: Connected display with dpy->fd = [%d].\n", dpy->fd);
-#endif
- /* Initialize as much of the display structure as we can.
- * Initialize pointers to NULL so that XFreeDisplayStructure will
- * work if we run out of memory before we finish initializing.
- */
- dpy->display_name = fullname;
- dpy->keysyms = (KeySym *) NULL;
- dpy->modifiermap = NULL;
- dpy->lock_meaning = NoSymbol;
- dpy->keysyms_per_keycode = 0;
- dpy->xdefaults = (char *)NULL;
- dpy->scratch_length = 0L;
- dpy->scratch_buffer = NULL;
- dpy->key_bindings = NULL;
- dpy->ext_procs = (_XExtension *)NULL;
- dpy->ext_data = (XExtData *)NULL;
- dpy->ext_number = 0;
- dpy->event_vec[X_Error] = _XUnknownWireEvent;
- dpy->event_vec[X_Reply] = _XUnknownWireEvent;
- dpy->wire_vec[X_Error] = _XUnknownNativeEvent;
- dpy->wire_vec[X_Reply] = _XUnknownNativeEvent;
- for (i = KeyPress; i < LASTEvent; i++) {
- dpy->event_vec[i] = _XWireToEvent;
- dpy->wire_vec[i] = NULL;
- }
- for (i = LASTEvent; i < 128; i++) {
- dpy->event_vec[i] = _XUnknownWireEvent;
- dpy->wire_vec[i] = _XUnknownNativeEvent;
- }
- dpy->resource_id = 0;
- dpy->db = (struct _XrmHashBucketRec *)NULL;
- dpy->cursor_font = None;
- dpy->flags = 0;
- dpy->async_handlers = NULL;
- dpy->screens = NULL;
- dpy->vendor = NULL;
- dpy->buffer = NULL;
- dpy->atoms = NULL;
- dpy->error_vec = NULL;
- dpy->context_db = NULL;
- dpy->free_funcs = NULL;
- dpy->pixmap_format = NULL;
- dpy->cms.clientCmaps = NULL;
- dpy->cms.defaultCCCs = NULL;
- dpy->cms.perVisualIntensityMaps = NULL;
- dpy->im_filters = NULL;
- dpy->bigreq_size = 0;
- dpy->lock = NULL;
- dpy->lock_fns = NULL;
- dpy->qfree = NULL;
- dpy->next_event_serial_num = 1;
- dpy->im_fd_info = NULL;
- dpy->im_fd_length = 0;
- dpy->conn_watchers = NULL;
- dpy->watcher_count = 0;
- dpy->filedes = NULL;
- dpy->flushes = NULL;
- dpy->xcmisc_opcode = 0;
- dpy->xkb_info = NULL;
-
-/*
- * Setup other information in this display structure.
- */
- dpy->vnumber = X_PROTOCOL;
- dpy->resource_alloc = _XAllocID;
- dpy->idlist_alloc = _XAllocIDs;
- dpy->synchandler = NULL;
- dpy->savedsynchandler = NULL;
- dpy->request = 0;
- dpy->last_request_read = 0;
- dpy->default_screen = iscreen; /* Value returned by ConnectDisplay */
- dpy->last_req = (char *)&_dummy_request;
-
- /* Initialize the display lock */
- if (InitDisplayLock(dpy) != 0) {
- OutOfMemory (dpy, setup);
- return(NULL);
- }
-
- if (!_XPollfdCacheInit(dpy)) {
- OutOfMemory (dpy, setup);
- return(NULL);
- }
-
- /* Set up the output buffers. */
-#ifndef XLIBDEFAULTBUFSIZE
-#define XLIBDEFAULTBUFSIZE 16384 /* 16k */
-#endif
-#ifndef XLIBMINBUFSIZE
-#define XLIBMINBUFSIZE BUFSIZE /* old default buffer size */
-#endif
- xlib_buffer_size = getenv("XLIBBUFFERSIZE");
-
-#ifdef __sun /* Backwards compatibility for old Solaris libX11 name */
- if (xlib_buffer_size == NULL)
- xlib_buffer_size = getenv("XSUNBUFFERSIZE");
-#endif
-
- if (xlib_buffer_size == NULL)
- conn_buf_size = XLIBDEFAULTBUFSIZE;
- else
- conn_buf_size = 1024 * strtol(xlib_buffer_size, NULL, 10);
- if (conn_buf_size < XLIBMINBUFSIZE)
- conn_buf_size = XLIBMINBUFSIZE;
-#if defined(NX_TRANS_SOCKET) && defined(NX_TRANS_TEST)
- fprintf (stderr, "Xlib: Running with XLIBBUFFERSIZE [%d] XLIBMINBUFSIZE [%d] "
- "buffer size [%ld].\n", XLIBDEFAULTBUFSIZE, XLIBMINBUFSIZE, conn_buf_size);
-#endif
-
- if ((dpy->bufptr = dpy->buffer = Xcalloc(1, conn_buf_size)) == NULL) {
- OutOfMemory (dpy, setup);
- return(NULL);
- }
- dpy->bufmax = dpy->buffer + conn_buf_size;
-#if USE_XCB
- dpy->xcb->real_bufmax = dpy->bufmax;
- dpy->bufmax = dpy->buffer;
-#endif
-
- /* Set up the input event queue and input event queue parameters. */
- dpy->head = dpy->tail = NULL;
- dpy->qlen = 0;
-
- /* Set up free-function record */
- if ((dpy->free_funcs = Xcalloc(1, sizeof(_XFreeFuncRec))) == NULL) {
- OutOfMemory (dpy, setup);
- return(NULL);
- }
-
-#if !USE_XCB
-/*
- * The xConnClientPrefix describes the initial connection setup information
- * and is followed by the authorization information. Sites that are interested
- * in security are strongly encouraged to use an authentication and
- * authorization system such as Kerberos.
- */
- endian = 1;
- if (*(char *) &endian)
- client.byteOrder = '\154'; /* 'l' */
- else
- client.byteOrder = '\102'; /* 'B' */
- client.majorVersion = X_PROTOCOL;
- client.minorVersion = X_PROTOCOL_REVISION;
- client.nbytesAuthProto = conn_auth_namelen;
- client.nbytesAuthString = conn_auth_datalen;
- prefixread = _XSendClientPrefix(dpy, &client,
- conn_auth_name, conn_auth_data,
- &prefix);
- if (prefixread < 0)
- {
- _XDisconnectDisplay (dpy->trans_conn);
- Xfree ((char *)dpy);
- return(NULL);
- }
- if (conn_auth_name) Xfree(conn_auth_name);
- if (conn_auth_data) Xfree(conn_auth_data);
-/*
- * Now see if connection was accepted...
- */
- /* these internal functions expect the display to be locked */
- LockDisplay(dpy);
-
- if (prefixread == 0)
- _XRead (dpy, (char *)&prefix,(long)SIZEOF(xConnSetupPrefix));
-
- /* an Authenticate reply we weren't expecting? */
- if (prefix.success != xTrue && prefix.success != xFalse) {
- fprintf (stderr,
- "Xlib: unexpected connection setup reply from server, type %d.\r\n",
- prefix.success);
- _XDisconnectDisplay (dpy->trans_conn);
- Xfree ((char *)dpy);
- return(NULL);
- }
-
- if (prefix.majorVersion != X_PROTOCOL) {
- /* XXX - printing messages marks a bad programming interface */
-#ifdef NX_TRANS_SOCKET
- if (_X11TransSocketProxyConnInfo(dpy->trans_conn) == NULL) {
- fprintf (stderr, "Xlib: client uses different protocol version (%d) "
- "than server (%d)!\r\n", X_PROTOCOL, prefix.majorVersion);
- }
-#else
- fprintf (stderr,
- "Xlib: client uses different protocol version (%d) than server (%d)!\r\n",
- X_PROTOCOL, prefix.majorVersion);
-#endif
- _XDisconnectDisplay (dpy->trans_conn);
- Xfree ((char *)dpy);
- return(NULL);
- }
-#endif /* !USE_XCB */
-
-#if USE_XCB
- {
- const struct xcb_setup_t *xcbsetup = xcb_get_setup(dpy->xcb->connection);
- memcpy(&prefix, xcbsetup, sizeof(prefix));
- setuplength = prefix.length << 2;
- setup = (char *) xcbsetup;
- setup += SIZEOF(xConnSetupPrefix);
- u.setup = (xConnSetup *) setup;
- }
-#else /* !USE_XCB */
- setuplength = prefix.length << 2;
- if ( (u.setup = (xConnSetup *)
- (setup = Xmalloc ((unsigned) setuplength))) == NULL) {
- _XDisconnectDisplay (dpy->trans_conn);
- Xfree ((char *)dpy);
- return(NULL);
- }
- _XRead (dpy, (char *)u.setup, setuplength);
-
-/*
- * If the connection was not accepted by the server due to problems,
- * give error message to the user....
- */
- if (prefix.success != xTrue) {
- /* XXX - printing messages marks a bad programming interface */
- fprintf (stderr,
- "Xlib: connection to \"%s\" refused by server\r\nXlib: ",
- fullname);
-
- if (prefix.lengthReason > setuplength) {
- fprintf (stderr, "Xlib: Broken initial reply: length of reason > length of packet\r\n");
- }else{
- (void) fwrite (u.failure, (size_t)sizeof(char),
- (size_t)prefix.lengthReason, stderr);
- (void) fwrite ("\r\n", sizeof(char), 2, stderr);
- }
-
- OutOfMemory(dpy, setup);
- return (NULL);
- }
-#endif /* USE_XCB */
-
-/*
- * Check if the reply was long enough to get any information out of it.
- */
- usedbytes = sz_xConnSetup;
- if (setuplength < usedbytes ) {
- fprintf (stderr, "Xlib: Broken initial reply: Too short (%ld)\n", setuplength);
- OutOfMemory(dpy, setup);
- return (NULL);
- }
-
-/*
- * We succeeded at authorization, so let us move the data into
- * the display structure.
- */
- dpy->proto_major_version= prefix.majorVersion;
- dpy->proto_minor_version= prefix.minorVersion;
- dpy->release = u.setup->release;
- dpy->resource_base = u.setup->ridBase;
- dpy->resource_mask = u.setup->ridMask;
- dpy->min_keycode = u.setup->minKeyCode;
- dpy->max_keycode = u.setup->maxKeyCode;
- dpy->motion_buffer = u.setup->motionBufferSize;
- dpy->nformats = u.setup->numFormats;
- dpy->nscreens = u.setup->numRoots;
- dpy->byte_order = u.setup->imageByteOrder;
- dpy->bitmap_unit = u.setup->bitmapScanlineUnit;
- dpy->bitmap_pad = u.setup->bitmapScanlinePad;
- dpy->bitmap_bit_order = u.setup->bitmapBitOrder;
- dpy->max_request_size = u.setup->maxRequestSize;
- mask = dpy->resource_mask;
- dpy->resource_shift = 0;
- if (!mask)
- {
- fprintf (stderr, "Xlib: connection to \"%s\" invalid setup\n",
- fullname);
- OutOfMemory(dpy, setup);
- return (NULL);
- }
-
- while (!(mask & 1)) {
- dpy->resource_shift++;
- mask = mask >> 1;
- }
- dpy->resource_max = (dpy->resource_mask >> dpy->resource_shift) - 5;
-/*
- * now extract the vendor string... String must be null terminated,
- * padded to multiple of 4 bytes.
- */
- /* Check for a sane vendor string length */
- if (u.setup->nbytesVendor > 256) {
- OutOfMemory(dpy, setup);
- return (NULL);
- }
-
- dpy->vendor = Xmalloc(u.setup->nbytesVendor + 1);
- if (dpy->vendor == NULL) {
- OutOfMemory(dpy, setup);
- return (NULL);
- }
- vendorlen = u.setup->nbytesVendor;
-
-/*
- * validate setup length
- */
- usedbytes += (vendorlen + 3) & ~3;
- if (setuplength < usedbytes) {
- fprintf (stderr, "Xlib: Broken initial reply: Too short (%ld)\n", setuplength);
- OutOfMemory(dpy, setup);
- return (NULL);
- }
-
- u.setup = (xConnSetup *) (((char *) u.setup) + sz_xConnSetup);
- (void) strncpy(dpy->vendor, u.vendor, vendorlen);
- dpy->vendor[vendorlen] = '\0';
- vendorlen = (vendorlen + 3) & ~3; /* round up */
- u.vendor += vendorlen;
-
-/*
- * Now iterate down setup information.....
- */
- dpy->pixmap_format = Xcalloc(dpy->nformats, sizeof(ScreenFormat));
- if (dpy->pixmap_format == NULL) {
- OutOfMemory (dpy, setup);
- return(NULL);
- }
-/*
- * First decode the Z axis Screen format information.
- */
- usedbytes += dpy->nformats * sz_xPixmapFormat;
-
- if (setuplength < usedbytes) {
- fprintf (stderr, "Xlib: Broken initial reply: Too short (%ld)\n", setuplength);
- OutOfMemory (dpy, setup);
- return(NULL);
- }
-
- for (i = 0; i < dpy->nformats; i++) {
- register ScreenFormat *fmt = &dpy->pixmap_format[i];
- fmt->depth = u.sf->depth;
- fmt->bits_per_pixel = u.sf->bitsPerPixel;
- fmt->scanline_pad = u.sf->scanLinePad;
- fmt->ext_data = NULL;
- u.sf = (xPixmapFormat *) (((char *) u.sf) + sz_xPixmapFormat);
- }
-
-/*
- * next the Screen structures.
- */
- dpy->screens = Xcalloc(dpy->nscreens, sizeof(Screen));
- if (dpy->screens == NULL) {
- OutOfMemory (dpy, setup);
- return(NULL);
- }
-
-/*
- * Now go deal with each screen structure.
- */
- for (i = 0; i < dpy->nscreens; i++) {
- register Screen *sp = &dpy->screens[i];
- VisualID root_visualID;
-
- usedbytes += sz_xWindowRoot;
- if (setuplength < usedbytes) {
- fprintf (stderr, "Xlib: Broken initial reply: Too short (%ld)\n", setuplength);
- OutOfMemory (dpy, setup);
- return(NULL);
- }
-
- root_visualID = u.rp->rootVisualID;
- sp->display = dpy;
- sp->root = u.rp->windowId;
- sp->cmap = u.rp->defaultColormap;
- sp->white_pixel = u.rp->whitePixel;
- sp->black_pixel = u.rp->blackPixel;
- sp->root_input_mask = u.rp->currentInputMask;
- sp->width = u.rp->pixWidth;
- sp->height = u.rp->pixHeight;
- sp->mwidth = u.rp->mmWidth;
- sp->mheight = u.rp->mmHeight;
- sp->min_maps = u.rp->minInstalledMaps;
- sp->max_maps = u.rp->maxInstalledMaps;
- sp->backing_store= u.rp->backingStore;
- sp->save_unders = u.rp->saveUnders;
- sp->root_depth = u.rp->rootDepth;
- sp->ndepths = u.rp->nDepths;
- sp->ext_data = NULL;
- u.rp = (xWindowRoot *) (((char *) u.rp) + sz_xWindowRoot);
-/*
- * lets set up the depth structures.
- */
- sp->depths = Xcalloc(sp->ndepths, sizeof(Depth));
- if (sp->depths == NULL) {
- OutOfMemory (dpy, setup);
- return(NULL);
- }
- /*
- * for all depths on this screen.
- */
- for (j = 0; j < sp->ndepths; j++) {
- Depth *dp = &sp->depths[j];
-
- usedbytes += sz_xDepth;
- if (setuplength < usedbytes) {
- fprintf (stderr, "Xlib: Broken initial reply: Too short (%ld)\n", setuplength);
- OutOfMemory (dpy, setup);
- return(NULL);
- }
-
- dp->depth = u.dp->depth;
- dp->nvisuals = u.dp->nVisuals;
- u.dp = (xDepth *) (((char *) u.dp) + sz_xDepth);
- if (dp->nvisuals > 0) {
- dp->visuals = Xcalloc(dp->nvisuals, sizeof(Visual));
- if (dp->visuals == NULL) {
- OutOfMemory (dpy, setup);
- return(NULL);
- }
- for (k = 0; k < dp->nvisuals; k++) {
- register Visual *vp = &dp->visuals[k];
-
- usedbytes += sz_xVisualType;
- if (setuplength < usedbytes) {
- fprintf (stderr, "Xlib: Broken initial reply: Too short (%ld)\n", setuplength);
- OutOfMemory (dpy, setup);
- return(NULL);
- }
-
- vp->visualid = u.vp->visualID;
- vp->class = u.vp->class;
- vp->bits_per_rgb= u.vp->bitsPerRGB;
- vp->map_entries = u.vp->colormapEntries;
- vp->red_mask = u.vp->redMask;
- vp->green_mask = u.vp->greenMask;
- vp->blue_mask = u.vp->blueMask;
- vp->ext_data = NULL;
- u.vp = (xVisualType *) (((char *) u.vp) +
- sz_xVisualType);
- }
- if (dp->depth == 32 && getenv ("XLIB_SKIP_ARGB_VISUALS"))
- {
- Xfree (dp->visuals);
- dp->visuals = NULL;
- dp->nvisuals = 0;
- }
- } else {
- dp->visuals = (Visual *) NULL;
- }
- }
- sp->root_visual = _XVIDtoVisual(dpy, root_visualID);
- }
-
- if(usedbytes != setuplength){
- /* Sanity check, shouldn't happen. */
- fprintf(stderr, "Xlib: Did not parse entire setup message: "
- "parsed: %ld, message: %ld\n",
- usedbytes, setuplength);
- OutOfMemory(dpy, setup);
- return(NULL);
- }
-
-/*
- * Now start talking to the server to setup all other information...
- */
-
-#if !USE_XCB
- Xfree (setup); /* all finished with setup information */
-#endif /* !USE_XCB */
-
-/*
- * Make sure default screen is legal.
- */
- if (iscreen >= dpy->nscreens) {
- OutOfMemory(dpy, (char *) NULL);
- return(NULL);
- }
-
-#if !USE_XCB
-/*
- * finished calling internal routines, now unlock for external routines
- */
- UnlockDisplay(dpy);
-#endif /* !USE_XCB */
-
-#if USE_XCB
-/*
- * get availability of large requests
- */
- dpy->bigreq_size = xcb_get_maximum_request_length(dpy->xcb->connection);
- if(dpy->bigreq_size <= dpy->max_request_size)
- dpy->bigreq_size = 0;
-#endif /* USE_XCB */
-
-/*
- * Set up other stuff clients are always going to use.
- */
- for (i = 0; i < dpy->nscreens; i++) {
- register Screen *sp = &dpy->screens[i];
- XGCValues values;
- values.foreground = sp->black_pixel;
- values.background = sp->white_pixel;
- if ((sp->default_gc = XCreateGC (dpy, sp->root,
- GCForeground|GCBackground,
- &values)) == NULL) {
- OutOfMemory(dpy, (char *) NULL);
- return (NULL);
- }
- }
-/*
- * call into synchronization routine so that all programs can be
- * forced synchronous
- */
- (void) XSynchronize(dpy, _Xdebug);
-
-/*
- * get the resource manager database off the root window.
- */
- LockDisplay(dpy);
- {
- xGetPropertyReply reply;
- xGetPropertyReq *req;
-#if !USE_XCB
- _XAsyncHandler async;
- _XBigReqState async_state;
- xQueryExtensionReq *qreq;
- xBigReqEnableReq *breq;
- xBigReqEnableReply brep;
-
- GetReq(QueryExtension, qreq);
- async_state.seq = dpy->request;
- async_state.opcode = 0;
- async.next = dpy->async_handlers;
- async.handler = _XBigReqHandler;
- async.data = (XPointer)&async_state;
- dpy->async_handlers = &async;
- qreq->nbytes = bignamelen;
- qreq->length += (bignamelen+3)>>2;
- Data(dpy, XBigReqExtensionName, bignamelen);
-#endif /* !USE_XCB */
-
- GetReq (GetProperty, req);
- req->window = RootWindow(dpy, 0);
- req->property = XA_RESOURCE_MANAGER;
- req->type = XA_STRING;
- req->delete = False;
- req->longOffset = 0;
- req->longLength = 100000000L;
-
- if (_XReply (dpy, (xReply *) &reply, 0, xFalse)) {
- if (reply.format == 8 && reply.propertyType == XA_STRING &&
- (reply.nItems + 1 > 0) &&
- (reply.nItems <= req->longLength * 4) &&
- (dpy->xdefaults = Xmalloc (reply.nItems + 1))) {
- _XReadPad (dpy, dpy->xdefaults, reply.nItems);
- dpy->xdefaults[reply.nItems] = '\0';
- }
- else if (reply.propertyType != None)
- _XEatDataWords(dpy, reply.length);
- }
-#if !USE_XCB
- DeqAsyncHandler(dpy, &async);
- if (async_state.opcode) {
- GetReq(BigReqEnable, breq);
- breq->reqType = async_state.opcode;
- breq->brReqType = X_BigReqEnable;
- if (_XReply(dpy, (xReply *)&brep, 0, xFalse))
- dpy->bigreq_size = brep.max_request_size;
- }
-#endif /* !USE_XCB */
- }
- UnlockDisplay(dpy);
-
-#ifdef MOTIFBC
- {
- extern Display *_XHeadOfDisplayList;
- _XHeadOfDisplayList = dpy;
- }
-#endif
-#ifdef XKB
- XkbUseExtension(dpy,NULL,NULL);
-#endif
-/*
- * and return successfully
- */
-#if defined(NX_TRANS_SOCKET) && defined(NX_TRANS_TEST)
- fprintf(stderr, "XOpenDisplay: Returning display at [%p].\n", dpy);
-#endif
- return(dpy);
-}
-
-#if !USE_XCB
-static Bool
-_XBigReqHandler(
- register Display *dpy,
- register xReply *rep,
- char *buf,
- int len,
- XPointer data)
-{
- _XBigReqState *state;
- xQueryExtensionReply replbuf;
- xQueryExtensionReply *repl;
-
- state = (_XBigReqState *)data;
- if (dpy->last_request_read != state->seq)
- return False;
- if (rep->generic.type == X_Error)
- return True;
- repl = (xQueryExtensionReply *)
- _XGetAsyncReply(dpy, (char *)&replbuf, rep, buf, len,
- (SIZEOF(xQueryExtensionReply) - SIZEOF(xReply)) >> 2,
- True);
- if (repl->present)
- state->opcode = repl->major_opcode;
- return True;
-}
-#endif /* !USE_XCB */
-
-
-/* XFreeDisplayStructure frees all the storage associated with a
- * Display. It is used by XOpenDisplay if it runs out of memory,
- * and also by XCloseDisplay. It needs to check whether all pointers
- * are non-NULL before dereferencing them, since it may be called
- * by XOpenDisplay before the Display structure is fully formed.
- * XOpenDisplay must be sure to initialize all the pointers to NULL
- * before the first possible call on this.
- */
-
-void _XFreeDisplayStructure(Display *dpy)
-{
- /* move all cookies in the EQ to the jar, then free them. */
- if (dpy->qfree) {
- _XQEvent *qelt = dpy->qfree;
- while (qelt) {
- if (_XIsEventCookie(dpy, &qelt->event))
- _XStoreEventCookie(dpy, &qelt->event);
- qelt = qelt->next;
- }
- }
- if (dpy->cookiejar)
- _XFreeEventCookies(dpy);
- while (dpy->ext_procs) {
- _XExtension *ext = dpy->ext_procs;
- dpy->ext_procs = ext->next;
- Xfree (ext->name);
- Xfree (ext);
- }
- if (dpy->im_filters)
- (*dpy->free_funcs->im_filters)(dpy);
- if (dpy->cms.clientCmaps)
- (*dpy->free_funcs->clientCmaps)(dpy);
- if (dpy->cms.defaultCCCs)
- (*dpy->free_funcs->defaultCCCs)(dpy);
- if (dpy->cms.perVisualIntensityMaps)
- (*dpy->free_funcs->intensityMaps)(dpy);
- if (dpy->atoms)
- (*dpy->free_funcs->atoms)(dpy);
- if (dpy->modifiermap)
- (*dpy->free_funcs->modifiermap)(dpy->modifiermap);
- if (dpy->key_bindings)
- (*dpy->free_funcs->key_bindings)(dpy);
- if (dpy->context_db)
- (*dpy->free_funcs->context_db)(dpy);
- if (dpy->xkb_info)
- (*dpy->free_funcs->xkb)(dpy);
-
- /* if RM database was allocated by XGetDefault() free it */
- if (dpy->db && (dpy->flags & XlibDisplayDfltRMDB))
- XrmDestroyDatabase(dpy->db);
-
- if (dpy->screens) {
- register int i;
-
- for (i = 0; i < dpy->nscreens; i++) {
- Screen *sp = &dpy->screens[i];
-
- if (sp->depths) {
- register int j;
-
- for (j = 0; j < sp->ndepths; j++) {
- Depth *dp = &sp->depths[j];
-
- if (dp->visuals) {
- register int k;
-
- for (k = 0; k < dp->nvisuals; k++)
- _XFreeExtData (dp->visuals[k].ext_data);
- Xfree (dp->visuals);
- }
- }
-
- Xfree (sp->depths);
- }
-
- _XFreeExtData (sp->ext_data);
- }
-
- Xfree (dpy->screens);
- }
-
- if (dpy->pixmap_format) {
- register int i;
-
- for (i = 0; i < dpy->nformats; i++)
- _XFreeExtData (dpy->pixmap_format[i].ext_data);
- Xfree (dpy->pixmap_format);
- }
-
- free(dpy->display_name);
-
- Xfree (dpy->vendor);
- Xfree (dpy->buffer);
- Xfree (dpy->keysyms);
- Xfree (dpy->xdefaults);
- Xfree (dpy->error_vec);
-
- _XFreeExtData (dpy->ext_data);
-
- Xfree (dpy->free_funcs);
- Xfree (dpy->scratch_buffer);
- FreeDisplayLock(dpy);
-
- if (dpy->qfree) {
- register _XQEvent *qelt = dpy->qfree;
-
- while (qelt) {
- register _XQEvent *qnxt = qelt->next;
- Xfree (qelt);
- qelt = qnxt;
- }
- }
- while (dpy->im_fd_info) {
- struct _XConnectionInfo *conni = dpy->im_fd_info;
- dpy->im_fd_info = conni->next;
- Xfree (conni->watch_data);
- Xfree (conni);
- }
- if (dpy->conn_watchers) {
- struct _XConnWatchInfo *watcher = dpy->conn_watchers;
- dpy->conn_watchers = watcher->next;
- Xfree (watcher);
- }
-
- Xfree (dpy->filedes);
-
-#if USE_XCB
- _XFreeX11XCBStructure(dpy);
-#endif /* USE_XCB */
-
- Xfree (dpy);
-}
-
-/* OutOfMemory is called if malloc fails. XOpenDisplay returns NULL
- after this returns. */
-
-static void OutOfMemory(Display *dpy, char *setup)
-{
-#if USE_XCB
- if(dpy->xcb->connection)
- xcb_disconnect(dpy->xcb->connection);
-#else /* !USE_XCB */
- _XDisconnectDisplay (dpy->trans_conn);
-#endif /* USE_XCB */
- _XFreeDisplayStructure (dpy);
-#if !USE_XCB
- if (setup) Xfree (setup);
-#endif /* !USE_XCB */
-}