/*
* XextRemoveDisplay - remove the indicated display from the extension object
*/
int XextRemoveDisplay (XExtensionInfo *extinfo, Display *dpy)
{
XExtDisplayInfo *dpyinfo, *prev;
/*
* locate this display and its back link so that it can be removed
*/
_XLockMutex(_Xglobal_lock);
prev = NULL;
for (dpyinfo = extinfo->head; dpyinfo; dpyinfo = dpyinfo->next) {
if (dpyinfo->display == dpy) break;
prev = dpyinfo;
}
if (!dpyinfo) {
_XUnlockMutex(_Xglobal_lock);
return 0; /* hmm, actually an error */
}
/*
* remove the display from the list; handles going to zero
*/
if (prev)
prev->next = dpyinfo->next;
else
extinfo->head = dpyinfo->next;
extinfo->ndisplays--;
if (dpyinfo == extinfo->cur) extinfo->cur = NULL; /* flush cache */
_XUnlockMutex(_Xglobal_lock);
Xfree ((char *) dpyinfo);
return 1;
}
/*
* XextFindDisplay - look for a display in this extension; keeps a cache
* of the most-recently used for efficiency.
*/
XExtDisplayInfo *XextFindDisplay (XExtensionInfo *extinfo, Display *dpy)
{
register XExtDisplayInfo *dpyinfo;
/*
* see if this was the most recently accessed display
*/
if ((dpyinfo = extinfo->cur)&& dpyinfo->display == dpy) return dpyinfo;
/*
* look for display in list
*/
_XLockMutex(_Xglobal_lock);
for (dpyinfo = extinfo->head; dpyinfo; dpyinfo = dpyinfo->next) {
if (dpyinfo->display == dpy) {
extinfo->cur = dpyinfo; /* cache most recently used */
_XUnlockMutex(_Xglobal_lock);
return dpyinfo;
}
}
_XUnlockMutex(_Xglobal_lock);
return NULL;
}
/*
* XFixesExtFindDisplay - look for a display in this extension; keeps a
* cache of the most-recently used for efficiency. (Replaces
* XextFindDisplay.)
*/
static XFixesExtDisplayInfo *
XFixesExtFindDisplay (XFixesExtInfo *extinfo,
Display *dpy)
{
XFixesExtDisplayInfo *info;
/*
* see if this was the most recently accessed display
*/
if ((info = extinfo->cur) && info->display == dpy)
return info;
/*
* look for display in list
*/
_XLockMutex(_Xglobal_lock);
for (info = extinfo->head; info; info = info->next) {
if (info->display == dpy) {
extinfo->cur = info; /* cache most recently used */
_XUnlockMutex(_Xglobal_lock);
return info;
}
}
_XUnlockMutex(_Xglobal_lock);
return NULL;
}
void XSetAuthorization (
char *name, int namelen, /* *len are lengths of name and data */
char *data, int datalen) /* name/data are NULL or arbitrary array of bytes */
{
char *tmpname, *tmpdata;
_XLockMutex(_Xglobal_lock);
if (xauth_name) Xfree (xauth_name); /* free any existing data */
if (xauth_data) Xfree (xauth_data);
xauth_name = xauth_data = NULL; /* mark it no longer valid */
xauth_namelen = xauth_datalen = 0;
_XUnlockMutex(_Xglobal_lock);
if (namelen < 0) namelen = 0; /* check for bogus inputs */
if (datalen < 0) datalen = 0; /* maybe should return? */
if (namelen > 0) { /* try to allocate space */
tmpname = Xmalloc ((unsigned) namelen);
if (!tmpname) return;
memcpy (tmpname, name, namelen);
} else {
tmpname = NULL;
}
if (datalen > 0) {
tmpdata = Xmalloc ((unsigned) datalen);
if (!tmpdata) {
if (tmpname) (void) Xfree (tmpname);
return;
}
memcpy (tmpdata, data, datalen);
} else {
tmpdata = NULL;
}
_XLockMutex(_Xglobal_lock);
xauth_name = tmpname; /* and store the suckers */
xauth_namelen = namelen;
if (tmpname)
{
xauth_names = &xauth_name;
xauth_lengths = &xauth_namelen;
xauth_names_length = 1;
}
else
{
xauth_names = default_xauth_names;
xauth_lengths = default_xauth_lengths;
xauth_names_length = NUM_DEFAULT_AUTH;
}
xauth_data = tmpdata;
xauth_datalen = datalen;
_XUnlockMutex(_Xglobal_lock);
return;
}
/* hook to delete XMesaDisplay on XDestroyDisplay */
extern void
xmesa_close_display(Display *display)
{
XMesaExtDisplayInfo *info, *prev;
/* These assertions are not valid since screen creation can fail and result
* in an empty list
assert(MesaExtInfo.ndisplays > 0);
assert(MesaExtInfo.head);
*/
_XLockMutex(_Xglobal_lock);
/* first find display */
prev = NULL;
for (info = MesaExtInfo.head; info; info = info->next) {
if (info->display == display) {
prev = info;
break;
}
}
if (info == NULL) {
/* no display found */
_XUnlockMutex(_Xglobal_lock);
return;
}
/* remove display entry from list */
if (prev != MesaExtInfo.head) {
prev->next = info->next;
} else {
MesaExtInfo.head = info->next;
}
MesaExtInfo.ndisplays--;
_XUnlockMutex(_Xglobal_lock);
/* don't forget to clean up mesaDisplay */
XMesaDisplay xmdpy = &info->mesaDisplay;
/**
* XXX: Don't destroy the screens here, since there may still
* be some dangling screen pointers that are used after this point
* if (xmdpy->screen) {
* xmdpy->screen->destroy(xmdpy->screen);
* }
*/
if (xmdpy->smapi->destroy)
xmdpy->smapi->destroy(xmdpy->smapi);
free(xmdpy->smapi);
XFree((char *) info);
}
/*
* XRenderExtAddDisplay - add a display to this extension. (Replaces
* XextAddDisplay)
*/
static XRenderExtDisplayInfo *
XRenderExtAddDisplay (XRenderExtInfo *extinfo,
Display *dpy,
char *ext_name)
{
XRenderExtDisplayInfo *dpyinfo;
dpyinfo = (XRenderExtDisplayInfo *) Xmalloc (sizeof (XRenderExtDisplayInfo));
if (!dpyinfo) return NULL;
dpyinfo->display = dpy;
dpyinfo->info = NULL;
if (XRenderHasDepths (dpy))
dpyinfo->codes = XInitExtension (dpy, ext_name);
else
dpyinfo->codes = NULL;
/*
* if the server has the extension, then we can initialize the
* appropriate function vectors
*/
if (dpyinfo->codes) {
XESetCloseDisplay (dpy, dpyinfo->codes->extension,
XRenderCloseDisplay);
} else {
/* The server doesn't have this extension.
* Use a private Xlib-internal extension to hang the close_display
* hook on so that the "cache" (extinfo->cur) is properly cleaned.
* (XBUG 7955)
*/
XExtCodes *codes = XAddExtension(dpy);
if (!codes) {
XFree(dpyinfo);
return NULL;
}
XESetCloseDisplay (dpy, codes->extension, XRenderCloseDisplay);
}
/*
* now, chain it onto the list
*/
_XLockMutex(_Xglobal_lock);
dpyinfo->next = extinfo->head;
extinfo->head = dpyinfo;
extinfo->cur = dpyinfo;
extinfo->ndisplays++;
_XUnlockMutex(_Xglobal_lock);
return dpyinfo;
}
static int
XRenderDepthCheckErrorHandler (Display *dpy, XErrorEvent *evt)
{
if (evt->request_code == X_CreatePixmap && evt->error_code == BadValue)
{
DepthCheckPtr d;
_XLockMutex(_Xglobal_lock);
for (d = depthChecks; d; d = d->next)
if (d->dpy == dpy)
{
if ((long) (evt->serial - d->serial) >= 0)
d->missing |= DEPTH_MASK(evt->resourceid);
break;
}
_XUnlockMutex (_Xglobal_lock);
}
return 0;
}
static int
__glXCloseDisplay(Display * dpy, XExtCodes * codes)
{
struct glx_display *priv, **prev;
_XLockMutex(_Xglobal_lock);
prev = &glx_displays;
for (priv = glx_displays; priv; prev = &priv->next, priv = priv->next) {
if (priv->dpy == dpy) {
*prev = priv->next;
break;
}
}
_XUnlockMutex(_Xglobal_lock);
glx_display_free(priv);
return 1;
}
XLCd
_XOpenLC(
char *name)
{
XLCd lcd;
XlcLoaderList loader;
XLCdList cur;
#if !defined(X_LOCALE)
int len;
char sinamebuf[256];
char* siname = sinamebuf;
#endif
if (name == NULL) {
name = setlocale (LC_CTYPE, (char *)NULL);
#if !defined(X_LOCALE)
/*
* _XlMapOSLocaleName will return the same string or a substring
* of name, so strlen(name) is okay
*/
if ((len = strlen(name)) >= sizeof sinamebuf) {
siname = Xmalloc (len + 1);
if (siname == NULL)
return NULL;
}
name = _XlcMapOSLocaleName(name, siname);
#endif
}
_XLockMutex(_Xi18n_lock);
/*
* search for needed lcd, if found return it
*/
for (cur = lcd_list; cur; cur = cur->next) {
if (!strcmp (cur->lcd->core->name, name)) {
lcd = cur->lcd;
cur->ref_count++;
goto found;
}
}
if (!loader_list)
_XlcInitLoader();
/*
* not there, so try to get and add to list
*/
for (loader = loader_list; loader; loader = loader->next) {
lcd = (*loader->proc)(name);
if (lcd) {
cur = (XLCdList) Xmalloc (sizeof(XLCdListRec));
if (cur) {
cur->lcd = lcd;
cur->ref_count = 1;
cur->next = lcd_list;
lcd_list = cur;
} else {
(*lcd->methods->close)(lcd);
lcd = (XLCd) NULL;
}
goto found;
}
}
lcd = NULL;
found:
_XUnlockMutex(_Xi18n_lock);
#if !defined(X_LOCALE)
if (siname != sinamebuf) Xfree(siname);
#endif
return lcd;
}
/*
* XCompositeExtAddDisplay - add a display to this extension. (Replaces
* XextAddDisplay)
*/
static XCompositeExtDisplayInfo *
XCompositeExtAddDisplay (XCompositeExtInfo *extinfo,
Display *dpy,
const char *ext_name)
{
XCompositeExtDisplayInfo *info;
info = (XCompositeExtDisplayInfo *) Xmalloc (sizeof (XCompositeExtDisplayInfo));
if (!info) return NULL;
info->display = dpy;
info->codes = XInitExtension (dpy, ext_name);
/*
* if the server has the extension, then we can initialize the
* appropriate function vectors
*/
if (info->codes) {
xCompositeQueryVersionReply rep;
xCompositeQueryVersionReq *req;
XESetCloseDisplay (dpy, info->codes->extension,
XCompositeCloseDisplay);
/*
* Get the version info
*/
LockDisplay (dpy);
GetReq (CompositeQueryVersion, req);
req->reqType = info->codes->major_opcode;
req->compositeReqType = X_CompositeQueryVersion;
req->majorVersion = COMPOSITE_MAJOR;
req->minorVersion = COMPOSITE_MINOR;
if (!_XReply (dpy, (xReply *) &rep, 0, xTrue))
{
UnlockDisplay (dpy);
SyncHandle ();
Xfree(info);
return NULL;
}
info->major_version = rep.majorVersion;
info->minor_version = rep.minorVersion;
UnlockDisplay (dpy);
SyncHandle ();
} else {
/* The server doesn't have this extension.
* Use a private Xlib-internal extension to hang the close_display
* hook on so that the "cache" (extinfo->cur) is properly cleaned.
* (XBUG 7955)
*/
XExtCodes *codes = XAddExtension(dpy);
if (!codes) {
XFree(info);
return NULL;
}
XESetCloseDisplay (dpy, codes->extension, XCompositeCloseDisplay);
}
/*
* now, chain it onto the list
*/
_XLockMutex(_Xglobal_lock);
info->next = extinfo->head;
extinfo->head = info;
extinfo->cur = info;
extinfo->ndisplays++;
_XUnlockMutex(_Xglobal_lock);
return info;
}
int XSaveContext(
Display *display,
register XID rid,
register XContext context,
_Xconst char* data)
{
DB *pdb;
register DB db;
TableEntry *head;
register TableEntry entry;
#ifdef MOTIFBC
if (!display) {
pdb = &NullDB;
db = *pdb;
} else
#endif
{
LockDisplay(display);
pdb = &display->context_db;
db = *pdb;
UnlockDisplay(display);
}
if (!db) {
db = Xmalloc(sizeof(DBRec));
if (!db)
return XCNOMEM;
db->mask = INITHASHMASK;
db->table = Xcalloc(db->mask + 1, sizeof(TableEntry));
if (!db->table) {
Xfree((char *)db);
return XCNOMEM;
}
db->numentries = 0;
_XCreateMutex(&db->linfo);
#ifdef MOTIFBC
if (!display) *pdb = db; else
#endif
{
LockDisplay(display);
*pdb = db;
display->free_funcs->context_db = _XFreeContextDB;
UnlockDisplay(display);
}
}
_XLockMutex(&db->linfo);
head = &Hash(db, rid, context);
_XUnlockMutex(&db->linfo);
for (entry = *head; entry; entry = entry->next) {
if (entry->rid == rid && entry->context == context) {
entry->data = (XPointer)data;
return 0;
}
}
entry = Xmalloc(sizeof(TableEntryRec));
if (!entry)
return XCNOMEM;
entry->rid = rid;
entry->context = context;
entry->data = (XPointer)data;
entry->next = *head;
*head = entry;
_XLockMutex(&db->linfo);
db->numentries++;
if (db->numentries > (db->mask << 2))
ResizeTable(db);
_XUnlockMutex(&db->linfo);
return 0;
}
/*
** Initialize the client side extension code.
*/
_X_HIDDEN struct glx_display *
__glXInitialize(Display * dpy)
{
struct glx_display *dpyPriv, *d;
#if defined(GLX_DIRECT_RENDERING) && !defined(GLX_USE_APPLEGL)
Bool glx_direct, glx_accel;
#endif
int i;
_XLockMutex(_Xglobal_lock);
for (dpyPriv = glx_displays; dpyPriv; dpyPriv = dpyPriv->next) {
if (dpyPriv->dpy == dpy) {
_XUnlockMutex(_Xglobal_lock);
return dpyPriv;
}
}
/* Drop the lock while we create the display private. */
_XUnlockMutex(_Xglobal_lock);
dpyPriv = calloc(1, sizeof *dpyPriv);
if (!dpyPriv)
return NULL;
dpyPriv->codes = XInitExtension(dpy, __glXExtensionName);
if (!dpyPriv->codes) {
free(dpyPriv);
_XUnlockMutex(_Xglobal_lock);
return NULL;
}
dpyPriv->dpy = dpy;
dpyPriv->majorOpcode = dpyPriv->codes->major_opcode;
dpyPriv->serverGLXvendor = 0x0;
dpyPriv->serverGLXversion = 0x0;
/* See if the versions are compatible. This GLX implementation does not
* work with servers that only support GLX 1.0.
*/
if (!QueryVersion(dpy, dpyPriv->majorOpcode,
&dpyPriv->majorVersion, &dpyPriv->minorVersion)
|| (dpyPriv->majorVersion == 1 && dpyPriv->minorVersion < 1)) {
free(dpyPriv);
_XUnlockMutex(_Xglobal_lock);
return NULL;
}
for (i = 0; i < __GLX_NUMBER_EVENTS; i++) {
XESetWireToEvent(dpy, dpyPriv->codes->first_event + i, __glXWireToEvent);
XESetEventToWire(dpy, dpyPriv->codes->first_event + i, __glXEventToWire);
}
XESetCloseDisplay(dpy, dpyPriv->codes->extension, __glXCloseDisplay);
XESetErrorString (dpy, dpyPriv->codes->extension,__glXErrorString);
dpyPriv->glXDrawHash = __glxHashCreate();
#if defined(GLX_DIRECT_RENDERING) && !defined(GLX_USE_APPLEGL)
glx_direct = (getenv("LIBGL_ALWAYS_INDIRECT") == NULL);
glx_accel = (getenv("LIBGL_ALWAYS_SOFTWARE") == NULL);
dpyPriv->drawHash = __glxHashCreate();
/*
** Initialize the direct rendering per display data and functions.
** Note: This _must_ be done before calling any other DRI routines
** (e.g., those called in AllocAndFetchScreenConfigs).
*/
if (glx_direct && glx_accel) {
#if defined(HAVE_DRI3)
if (!getenv("LIBGL_DRI3_DISABLE"))
dpyPriv->dri3Display = dri3_create_display(dpy);
#endif
dpyPriv->dri2Display = dri2CreateDisplay(dpy);
dpyPriv->driDisplay = driCreateDisplay(dpy);
}
if (glx_direct)
dpyPriv->driswDisplay = driswCreateDisplay(dpy);
#endif
#ifdef GLX_USE_APPLEGL
if (!applegl_create_display(dpyPriv)) {
free(dpyPriv);
return NULL;
}
#endif
if (!AllocAndFetchScreenConfigs(dpy, dpyPriv)) {
free(dpyPriv);
return NULL;
}
__glX_send_client_info(dpyPriv);
/* Grab the lock again and add the dispay private, unless somebody
* beat us to initializing on this display in the meantime. */
_XLockMutex(_Xglobal_lock);
for (d = glx_displays; d; d = d->next) {
if (d->dpy == dpy) {
_XUnlockMutex(_Xglobal_lock);
glx_display_free(dpyPriv);
return d;
}
}
dpyPriv->next = glx_displays;
glx_displays = dpyPriv;
_XUnlockMutex(_Xglobal_lock);
return dpyPriv;
}
static XMesaDisplay
xmesa_init_display( Display *display )
{
static mtx_t init_mutex = _MTX_INITIALIZER_NP;
XMesaDisplay xmdpy;
XMesaExtDisplayInfo *info;
if (display == NULL) {
return NULL;
}
mtx_lock(&init_mutex);
/* Look for XMesaDisplay which corresponds to this display */
info = MesaExtInfo.head;
while(info) {
if (info->display == display) {
/* Found it */
mtx_unlock(&init_mutex);
return &info->mesaDisplay;
}
info = info->next;
}
/* Not found. Create new XMesaDisplay */
/* first allocate X-related resources and hook destroy callback */
/* allocate mesa display info */
info = (XMesaExtDisplayInfo *) Xmalloc(sizeof(XMesaExtDisplayInfo));
if (info == NULL) {
mtx_unlock(&init_mutex);
return NULL;
}
info->display = display;
xmdpy = &info->mesaDisplay; /* to be filled out below */
xmdpy->display = display;
xmdpy->pipe = NULL;
xmdpy->smapi = CALLOC_STRUCT(st_manager);
if (!xmdpy->smapi) {
Xfree(info);
mtx_unlock(&init_mutex);
return NULL;
}
xmdpy->screen = driver.create_pipe_screen(display);
if (!xmdpy->screen) {
free(xmdpy->smapi);
Xfree(info);
mtx_unlock(&init_mutex);
return NULL;
}
/* At this point, both smapi and screen are known to be valid */
xmdpy->smapi->screen = xmdpy->screen;
xmdpy->smapi->get_param = xmesa_get_param;
(void) mtx_init(&xmdpy->mutex, mtx_plain);
/* chain to the list of displays */
_XLockMutex(_Xglobal_lock);
info->next = MesaExtInfo.head;
MesaExtInfo.head = info;
MesaExtInfo.ndisplays++;
_XUnlockMutex(_Xglobal_lock);
mtx_unlock(&init_mutex);
return xmdpy;
}
/*
* XextAddDisplay - add a display to this extension
*/
XExtDisplayInfo *XextAddDisplay (
XExtensionInfo *extinfo,
Display *dpy,
_Xconst char *ext_name,
XExtensionHooks *hooks,
int nevents,
XPointer data)
{
XExtDisplayInfo *dpyinfo;
dpyinfo = (XExtDisplayInfo *) Xmalloc (sizeof (XExtDisplayInfo));
if (!dpyinfo) return NULL;
dpyinfo->display = dpy;
dpyinfo->data = data;
dpyinfo->codes = XInitExtension (dpy, ext_name);
/*
* if the server has the extension, then we can initialize the
* appropriate function vectors
*/
if (dpyinfo->codes) {
int i, j;
for (i = 0, j = dpyinfo->codes->first_event; i < nevents; i++, j++) {
XESetWireToEvent (dpy, j, hooks->wire_to_event);
XESetEventToWire (dpy, j, hooks->event_to_wire);
}
/* register extension for XGE */
if (strcmp(ext_name, GE_NAME))
xgeExtRegister(dpy, dpyinfo->codes->major_opcode, hooks);
if (hooks->create_gc)
XESetCreateGC (dpy, dpyinfo->codes->extension, hooks->create_gc);
if (hooks->copy_gc)
XESetCopyGC (dpy, dpyinfo->codes->extension, hooks->copy_gc);
if (hooks->flush_gc)
XESetFlushGC (dpy, dpyinfo->codes->extension, hooks->flush_gc);
if (hooks->free_gc)
XESetFreeGC (dpy, dpyinfo->codes->extension, hooks->free_gc);
if (hooks->create_font)
XESetCreateFont (dpy, dpyinfo->codes->extension, hooks->create_font);
if (hooks->free_font)
XESetFreeFont (dpy, dpyinfo->codes->extension, hooks->free_font);
if (hooks->close_display)
XESetCloseDisplay (dpy, dpyinfo->codes->extension,
hooks->close_display);
if (hooks->error)
XESetError (dpy, dpyinfo->codes->extension, hooks->error);
if (hooks->error_string)
XESetErrorString (dpy, dpyinfo->codes->extension,
hooks->error_string);
} else if (hooks->close_display) {
/* The server doesn't have this extension.
* Use a private Xlib-internal extension to hang the close_display
* hook on so that the "cache" (extinfo->cur) is properly cleaned.
* (XBUG 7955)
*/
XExtCodes *codes = XAddExtension(dpy);
if (!codes) {
XFree(dpyinfo);
return NULL;
}
XESetCloseDisplay (dpy, codes->extension, hooks->close_display);
}
/*
* now, chain it onto the list
*/
_XLockMutex(_Xglobal_lock);
dpyinfo->next = extinfo->head;
extinfo->head = dpyinfo;
extinfo->cur = dpyinfo;
extinfo->ndisplays++;
_XUnlockMutex(_Xglobal_lock);
return dpyinfo;
}
static Bool
XRenderHasDepths (Display *dpy)
{
int s;
for (s = 0; s < ScreenCount (dpy); s++)
{
CARD32 depths = 0;
CARD32 missing;
Screen *scr = ScreenOfDisplay (dpy, s);
int d;
for (d = 0; d < scr->ndepths; d++)
depths |= DEPTH_MASK(scr->depths[d].depth);
missing = ~depths & REQUIRED_DEPTHS;
if (missing)
{
DepthCheckRec dc, **dp;
XErrorHandler previousHandler;
/*
* Ok, this is ugly. It should be sufficient at this
* point to just return False, but Xinerama is broken at
* this point and only advertises depths which have an
* associated visual. Of course, the other depths still
* work, but the only way to find out is to try them.
*/
dc.dpy = dpy;
dc.missing = 0;
dc.serial = XNextRequest (dpy);
_XLockMutex(_Xglobal_lock);
dc.next = depthChecks;
depthChecks = &dc;
_XUnlockMutex (_Xglobal_lock);
/*
* I suspect this is not really thread safe, but Xlib doesn't
* provide a lot of options here
*/
previousHandler = XSetErrorHandler (XRenderDepthCheckErrorHandler);
/*
* Try each missing depth and see if pixmap creation succeeds
*/
for (d = 1; d <= 32; d++)
/* don't check depth 1 == Xcursor recurses... */
if ((missing & DEPTH_MASK(d)) && d != 1)
{
Pixmap p;
p = XCreatePixmap (dpy, RootWindow (dpy, s), 1, 1, d);
XFreePixmap (dpy, p);
}
XSync (dpy, False);
XSetErrorHandler (previousHandler);
/*
* Unhook from the list of depth check records
*/
_XLockMutex(_Xglobal_lock);
for (dp = &depthChecks; *dp; dp = &(*dp)->next)
{
if (*dp == &dc)
{
*dp = dc.next;
break;
}
}
_XUnlockMutex (_Xglobal_lock);
if (dc.missing)
return False;
}
}
return True;
}
int
/*ARGSUSED*/
XGetErrorDatabaseText(
Display *dpy,
register _Xconst char *name,
register _Xconst char *type,
_Xconst char *defaultp,
char *buffer,
int nbytes)
{
static XrmDatabase db = NULL;
XrmString type_str;
XrmValue result;
char temp[BUFSIZ];
char* tptr;
unsigned long tlen;
if (nbytes == 0) return 0;
if (!db) {
/* the Xrm routines expect to be called with the global
mutex unlocked. */
XrmDatabase temp_db;
int do_destroy;
const char *dbname;
XrmInitialize();
#ifdef WIN32
dbname = getenv("XERRORDB");
if (!dbname)
dbname = ERRORDB;
#else
dbname = ERRORDB;
#endif
temp_db = XrmGetFileDatabase(dbname);
_XLockMutex(_Xglobal_lock);
if (!db) {
db = temp_db;
do_destroy = 0;
} else
do_destroy = 1; /* we didn't need to get it after all */
_XUnlockMutex(_Xglobal_lock);
if (do_destroy)
XrmDestroyDatabase(temp_db);
}
if (db)
{
tlen = strlen (name) + strlen (type) + 2;
if (tlen <= sizeof(temp))
tptr = temp;
else
tptr = Xmalloc (tlen);
if (tptr) {
sprintf(tptr, "%s.%s", name, type);
XrmGetResource(db, tptr, "ErrorType.ErrorNumber",
&type_str, &result);
if (tptr != temp)
Xfree (tptr);
} else {
result.addr = (XPointer) NULL;
}
}
else
result.addr = (XPointer)NULL;
if (!result.addr) {
result.addr = (XPointer) defaultp;
result.size = strlen(defaultp) + 1;
}
(void) strncpy (buffer, (char *) result.addr, nbytes);
if (result.size > nbytes) buffer[nbytes-1] = '\0';
return 0;
}