diff options
author | marha <marha@users.sourceforge.net> | 2012-03-12 07:18:46 +0100 |
---|---|---|
committer | marha <marha@users.sourceforge.net> | 2012-03-12 07:18:46 +0100 |
commit | b91444584a64f4f7b3eaeee05ef36ac53691fb24 (patch) | |
tree | 2a66e96251ca0ee198c908d6bdbed2e1862fb310 /libX11/src/OpenDis.c | |
parent | d483a0007d3a25fbf565436f655fa45b4265628a (diff) | |
download | vcxsrv-b91444584a64f4f7b3eaeee05ef36ac53691fb24.tar.gz vcxsrv-b91444584a64f4f7b3eaeee05ef36ac53691fb24.tar.bz2 vcxsrv-b91444584a64f4f7b3eaeee05ef36ac53691fb24.zip |
xkeyboard-config fontconfig libX11 libXft libxcb mesa git update 12 Mar 2012
Diffstat (limited to 'libX11/src/OpenDis.c')
-rw-r--r-- | libX11/src/OpenDis.c | 1459 |
1 files changed, 720 insertions, 739 deletions
diff --git a/libX11/src/OpenDis.c b/libX11/src/OpenDis.c index 0b779b0ad..9379fec83 100644 --- a/libX11/src/OpenDis.c +++ b/libX11/src/OpenDis.c @@ -1,739 +1,720 @@ -/*
-
-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"
-#include "Xxcbint.h"
-#include <X11/Xatom.h>
-#include <X11/Xresource.h>
-#include <stdio.h>
-#include "Xintconn.h"
-
-#ifdef XKB
-#include "XKBlib.h"
-#endif /* XKB */
-
-#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);
-
-/*
- * 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 */
- char *setup = NULL; /* memory allocated at startup */
- 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 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 = (Display *)Xcalloc(1, sizeof(Display))) == NULL) {
- return(NULL);
- }
-
- if ((dpy->display_name = strdup(display_name)) == NULL) {
- OutOfMemory(dpy);
- return(NULL);
- }
-
-/*
- * Call the Connect routine to get the transport connection object.
- * If NULL is returned, the connection failed.
- */
-
- if(!_XConnectXCB(dpy, display, &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, &iscreen))
- goto fallback_success;
- }
- Xfree(buf);
- }
- }
-
- OutOfMemory(dpy);
- return NULL;
- }
-fallback_success:
-
- /* 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->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);
- return(NULL);
- }
-
- if (!_XPollfdCacheInit(dpy)) {
- OutOfMemory (dpy);
- 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 ((dpy->bufptr = dpy->buffer = Xcalloc(1, conn_buf_size)) == NULL) {
- OutOfMemory (dpy);
- return(NULL);
- }
- dpy->xcb->real_bufmax = dpy->buffer + conn_buf_size;
- dpy->bufmax = dpy->buffer;
-
- /* 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 = (_XFreeFuncRec *)Xcalloc(1,
- sizeof(_XFreeFuncRec)))
- == NULL) {
- OutOfMemory (dpy);
- return(NULL);
- }
-
- {
- 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;
- }
-
-/*
- * 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);
- 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",
- dpy->display_name);
- OutOfMemory(dpy);
- 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);
- return (NULL);
- }
-
- dpy->vendor = (char *) Xmalloc((unsigned) (u.setup->nbytesVendor + 1));
- if (dpy->vendor == NULL) {
- OutOfMemory(dpy);
- 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);
- 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 =
- (ScreenFormat *)Xmalloc(
- (unsigned) (dpy->nformats *sizeof(ScreenFormat)));
- if (dpy->pixmap_format == NULL) {
- OutOfMemory (dpy);
- 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);
- 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 =
- (Screen *)Xmalloc((unsigned) dpy->nscreens*sizeof(Screen));
- if (dpy->screens == NULL) {
- OutOfMemory (dpy);
- 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);
- 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 = (Depth *)Xmalloc(
- (unsigned)sp->ndepths*sizeof(Depth));
- if (sp->depths == NULL) {
- OutOfMemory (dpy);
- 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);
- 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 =
- (Visual *)Xmalloc((unsigned)dp->nvisuals*sizeof(Visual));
- if (dp->visuals == NULL) {
- OutOfMemory (dpy);
- 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);
- 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);
- return(NULL);
- }
-
-/*
- * Now start talking to the server to setup all other information...
- */
-
-/*
- * Make sure default screen is legal.
- */
- if (iscreen >= dpy->nscreens) {
- OutOfMemory(dpy);
- return(NULL);
- }
-
- dpy->bigreq_size = xcb_get_maximum_request_length(dpy->xcb->connection);
- if(dpy->bigreq_size <= dpy->max_request_size)
- dpy->bigreq_size = 0;
-
-/*
- * 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);
- return (NULL);
- }
- }
-/*
- * call into synchronization routine so that all programs can be
- * forced synchronous
- */
- (void) XSynchronize(dpy, _Xdebug);
-
-/*
- * get availability of large requests, and
- * get the resource manager database off the root window.
- */
- LockDisplay(dpy);
- {
- xGetPropertyReply reply;
- xGetPropertyReq *req;
-
- 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)
- _XEatData(dpy, reply.nItems * (reply.format >> 3));
- }
- }
- UnlockDisplay(dpy);
-
-#ifdef MOTIFBC
- {
- extern Display *_XHeadOfDisplayList;
- _XHeadOfDisplayList = dpy;
- }
-#endif
-#ifdef XKB
- XkbUseExtension(dpy,NULL,NULL);
-#endif
-/*
- * and return successfully
- */
- return(dpy);
-}
-
-/* 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;
- if (ext->name)
- Xfree (ext->name);
- Xfree ((char *)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 ((char *) dp->visuals);
- }
- }
-
- Xfree ((char *) sp->depths);
- }
-
- _XFreeExtData (sp->ext_data);
- }
-
- Xfree ((char *)dpy->screens);
- }
-
- if (dpy->pixmap_format) {
- register int i;
-
- for (i = 0; i < dpy->nformats; i++)
- _XFreeExtData (dpy->pixmap_format[i].ext_data);
- Xfree ((char *)dpy->pixmap_format);
- }
-
- free(dpy->display_name);
- if (dpy->vendor)
- Xfree (dpy->vendor);
-
- if (dpy->buffer)
- Xfree (dpy->buffer);
- if (dpy->keysyms)
- Xfree ((char *) dpy->keysyms);
- if (dpy->xdefaults)
- Xfree (dpy->xdefaults);
- if (dpy->error_vec)
- Xfree ((char *)dpy->error_vec);
-
- _XFreeExtData (dpy->ext_data);
- if (dpy->free_funcs)
- Xfree ((char *)dpy->free_funcs);
- if (dpy->scratch_buffer)
- Xfree (dpy->scratch_buffer);
- FreeDisplayLock(dpy);
-
- if (dpy->qfree) {
- register _XQEvent *qelt = dpy->qfree;
-
- while (qelt) {
- register _XQEvent *qnxt = qelt->next;
- Xfree ((char *) qelt);
- qelt = qnxt;
- }
- }
- while (dpy->im_fd_info) {
- struct _XConnectionInfo *conni = dpy->im_fd_info;
- dpy->im_fd_info = conni->next;
- if (conni->watch_data)
- Xfree (conni->watch_data);
- Xfree (conni);
- }
- if (dpy->conn_watchers) {
- struct _XConnWatchInfo *watcher = dpy->conn_watchers;
- dpy->conn_watchers = watcher->next;
- Xfree (watcher);
- }
- if (dpy->filedes)
- Xfree (dpy->filedes);
-
- _XFreeX11XCBStructure(dpy);
-
- Xfree ((char *)dpy);
-}
-
-/* OutOfMemory is called if malloc fails. XOpenDisplay returns NULL
- after this returns. */
-
-static void OutOfMemory(Display *dpy)
-{
- if(dpy->xcb->connection)
- xcb_disconnect(dpy->xcb->connection);
- _XFreeDisplayStructure (dpy);
-}
+/* + +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" +#include "Xxcbint.h" +#include <X11/Xatom.h> +#include <X11/Xresource.h> +#include <stdio.h> +#include "Xintconn.h" + +#ifdef XKB +#include "XKBlib.h" +#endif /* XKB */ + +#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); + +/* + * 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 */ + char *setup = NULL; /* memory allocated at startup */ + 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 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 = (Display *)Xcalloc(1, sizeof(Display))) == NULL) { + return(NULL); + } + + if ((dpy->display_name = strdup(display_name)) == NULL) { + OutOfMemory(dpy); + return(NULL); + } + +/* + * Call the Connect routine to get the transport connection object. + * If NULL is returned, the connection failed. + */ + + if(!_XConnectXCB(dpy, display, &iscreen)) { + OutOfMemory(dpy); + return NULL; + } + + /* 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->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); + return(NULL); + } + + if (!_XPollfdCacheInit(dpy)) { + OutOfMemory (dpy); + 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 ((dpy->bufptr = dpy->buffer = Xcalloc(1, conn_buf_size)) == NULL) { + OutOfMemory (dpy); + return(NULL); + } + dpy->xcb->real_bufmax = dpy->buffer + conn_buf_size; + dpy->bufmax = dpy->buffer; + + /* 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 = (_XFreeFuncRec *)Xcalloc(1, + sizeof(_XFreeFuncRec))) + == NULL) { + OutOfMemory (dpy); + return(NULL); + } + + { + 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; + } + +/* + * 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); + 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", + dpy->display_name); + OutOfMemory(dpy); + 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); + return (NULL); + } + + dpy->vendor = (char *) Xmalloc((unsigned) (u.setup->nbytesVendor + 1)); + if (dpy->vendor == NULL) { + OutOfMemory(dpy); + 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); + 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 = + (ScreenFormat *)Xmalloc( + (unsigned) (dpy->nformats *sizeof(ScreenFormat))); + if (dpy->pixmap_format == NULL) { + OutOfMemory (dpy); + 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); + 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 = + (Screen *)Xmalloc((unsigned) dpy->nscreens*sizeof(Screen)); + if (dpy->screens == NULL) { + OutOfMemory (dpy); + 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); + 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 = (Depth *)Xmalloc( + (unsigned)sp->ndepths*sizeof(Depth)); + if (sp->depths == NULL) { + OutOfMemory (dpy); + 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); + 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 = + (Visual *)Xmalloc((unsigned)dp->nvisuals*sizeof(Visual)); + if (dp->visuals == NULL) { + OutOfMemory (dpy); + 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); + 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); + return(NULL); + } + +/* + * Now start talking to the server to setup all other information... + */ + +/* + * Make sure default screen is legal. + */ + if (iscreen >= dpy->nscreens) { + OutOfMemory(dpy); + return(NULL); + } + + dpy->bigreq_size = xcb_get_maximum_request_length(dpy->xcb->connection); + if(dpy->bigreq_size <= dpy->max_request_size) + dpy->bigreq_size = 0; + +/* + * 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); + return (NULL); + } + } +/* + * call into synchronization routine so that all programs can be + * forced synchronous + */ + (void) XSynchronize(dpy, _Xdebug); + +/* + * get availability of large requests, and + * get the resource manager database off the root window. + */ + LockDisplay(dpy); + { + xGetPropertyReply reply; + xGetPropertyReq *req; + + 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) + _XEatData(dpy, reply.nItems * (reply.format >> 3)); + } + } + UnlockDisplay(dpy); + +#ifdef MOTIFBC + { + extern Display *_XHeadOfDisplayList; + _XHeadOfDisplayList = dpy; + } +#endif +#ifdef XKB + XkbUseExtension(dpy,NULL,NULL); +#endif +/* + * and return successfully + */ + return(dpy); +} + +/* 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; + if (ext->name) + Xfree (ext->name); + Xfree ((char *)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 ((char *) dp->visuals); + } + } + + Xfree ((char *) sp->depths); + } + + _XFreeExtData (sp->ext_data); + } + + Xfree ((char *)dpy->screens); + } + + if (dpy->pixmap_format) { + register int i; + + for (i = 0; i < dpy->nformats; i++) + _XFreeExtData (dpy->pixmap_format[i].ext_data); + Xfree ((char *)dpy->pixmap_format); + } + + free(dpy->display_name); + if (dpy->vendor) + Xfree (dpy->vendor); + + if (dpy->buffer) + Xfree (dpy->buffer); + if (dpy->keysyms) + Xfree ((char *) dpy->keysyms); + if (dpy->xdefaults) + Xfree (dpy->xdefaults); + if (dpy->error_vec) + Xfree ((char *)dpy->error_vec); + + _XFreeExtData (dpy->ext_data); + if (dpy->free_funcs) + Xfree ((char *)dpy->free_funcs); + if (dpy->scratch_buffer) + Xfree (dpy->scratch_buffer); + FreeDisplayLock(dpy); + + if (dpy->qfree) { + register _XQEvent *qelt = dpy->qfree; + + while (qelt) { + register _XQEvent *qnxt = qelt->next; + Xfree ((char *) qelt); + qelt = qnxt; + } + } + while (dpy->im_fd_info) { + struct _XConnectionInfo *conni = dpy->im_fd_info; + dpy->im_fd_info = conni->next; + if (conni->watch_data) + Xfree (conni->watch_data); + Xfree (conni); + } + if (dpy->conn_watchers) { + struct _XConnWatchInfo *watcher = dpy->conn_watchers; + dpy->conn_watchers = watcher->next; + Xfree (watcher); + } + if (dpy->filedes) + Xfree (dpy->filedes); + + _XFreeX11XCBStructure(dpy); + + Xfree ((char *)dpy); +} + +/* OutOfMemory is called if malloc fails. XOpenDisplay returns NULL + after this returns. */ + +static void OutOfMemory(Display *dpy) +{ + if(dpy->xcb->connection) + xcb_disconnect(dpy->xcb->connection); + _XFreeDisplayStructure (dpy); +} |