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Diffstat (limited to 'nx-X11/lib/X11/IntAtom.c')
-rw-r--r--nx-X11/lib/X11/IntAtom.c297
1 files changed, 0 insertions, 297 deletions
diff --git a/nx-X11/lib/X11/IntAtom.c b/nx-X11/lib/X11/IntAtom.c
deleted file mode 100644
index 3042b65dd..000000000
--- a/nx-X11/lib/X11/IntAtom.c
+++ /dev/null
@@ -1,297 +0,0 @@
-/*
-
-Copyright 1986, 1990, 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 "Xintatom.h"
-
-#define HASH(sig) ((sig) & (TABLESIZE-1))
-#define REHASHVAL(sig) ((((sig) % (TABLESIZE-3)) + 2) | 1)
-#define REHASH(idx,rehash) ((idx + rehash) & (TABLESIZE-1))
-
-void
-_XFreeAtomTable(Display *dpy)
-{
- register Entry *table;
- register int i;
- register Entry e;
-
- if (dpy->atoms) {
- table = dpy->atoms->table;
- for (i = TABLESIZE; --i >= 0; ) {
- if ((e = *table++) && (e != RESERVED))
- Xfree(e);
- }
- Xfree(dpy->atoms);
- }
-}
-
-static
-Atom _XInternAtom(
- Display *dpy,
- _Xconst char *name,
- Bool onlyIfExists,
- unsigned long *psig,
- int *pidx,
- int *pn)
-{
- register AtomTable *atoms;
- register char *s1, c, *s2;
- register unsigned long sig;
- register int idx = 0, i;
- Entry e;
- int n, firstidx, rehash = 0;
- xInternAtomReq *req;
-
- /* look in the cache first */
- if (!(atoms = dpy->atoms)) {
- dpy->atoms = atoms = Xcalloc(1, sizeof(AtomTable));
- dpy->free_funcs->atoms = _XFreeAtomTable;
- }
- sig = 0;
- for (s1 = (char *)name; (c = *s1++); )
- sig += c;
- n = s1 - (char *)name - 1;
- if (atoms) {
- firstidx = idx = HASH(sig);
- while ((e = atoms->table[idx])) {
- if (e != RESERVED && e->sig == sig) {
- for (i = n, s1 = (char *)name, s2 = EntryName(e); --i >= 0; ) {
- if (*s1++ != *s2++)
- goto nomatch;
- }
- if (!*s2)
- return e->atom;
- }
-nomatch: if (idx == firstidx)
- rehash = REHASHVAL(sig);
- idx = REHASH(idx, rehash);
- if (idx == firstidx)
- break;
- }
- }
- *psig = sig;
- *pidx = idx;
- if (atoms && !atoms->table[idx])
- atoms->table[idx] = RESERVED; /* reserve slot */
- *pn = n;
- /* not found, go to the server */
- GetReq(InternAtom, req);
- req->nbytes = n;
- req->onlyIfExists = onlyIfExists;
- req->length += (n+3)>>2;
- Data(dpy, name, n);
- return None;
-}
-
-void
-_XUpdateAtomCache(
- Display *dpy,
- const char *name,
- Atom atom,
- unsigned long sig,
- int idx,
- int n)
-{
- Entry e, oe;
- register char *s1;
- register char c;
- int firstidx, rehash;
-
- if (!dpy->atoms) {
- if (idx < 0) {
- dpy->atoms = Xcalloc(1, sizeof(AtomTable));
- dpy->free_funcs->atoms = _XFreeAtomTable;
- }
- if (!dpy->atoms)
- return;
- }
- if (!sig) {
- for (s1 = (char *)name; (c = *s1++); )
- sig += c;
- n = s1 - (char *)name - 1;
- if (idx < 0) {
- firstidx = idx = HASH(sig);
- if (dpy->atoms->table[idx]) {
- rehash = REHASHVAL(sig);
- do
- idx = REHASH(idx, rehash);
- while (idx != firstidx && dpy->atoms->table[idx]);
- }
- }
- }
- e = Xmalloc(sizeof(EntryRec) + n + 1);
- if (e) {
- e->sig = sig;
- e->atom = atom;
- strcpy(EntryName(e), name);
- if ((oe = dpy->atoms->table[idx]) && (oe != RESERVED))
- Xfree(oe);
- dpy->atoms->table[idx] = e;
- }
-}
-
-Atom
-XInternAtom (
- Display *dpy,
- const char *name,
- Bool onlyIfExists)
-{
- Atom atom;
- unsigned long sig;
- int idx, n;
- xInternAtomReply rep;
-
- if (!name)
- name = "";
- LockDisplay(dpy);
- if ((atom = _XInternAtom(dpy, name, onlyIfExists, &sig, &idx, &n))) {
- UnlockDisplay(dpy);
- return atom;
- }
- if (dpy->atoms && dpy->atoms->table[idx] == RESERVED)
- dpy->atoms->table[idx] = NULL; /* unreserve slot */
- if (_XReply (dpy, (xReply *)&rep, 0, xTrue)) {
- if ((atom = rep.atom))
- _XUpdateAtomCache(dpy, name, atom, sig, idx, n);
- }
- UnlockDisplay(dpy);
- SyncHandle();
- return (rep.atom);
-}
-
-typedef struct {
- unsigned long start_seq;
- unsigned long stop_seq;
- char **names;
- Atom *atoms;
- int count;
- Status status;
-} _XIntAtomState;
-
-static
-Bool _XIntAtomHandler(
- register Display *dpy,
- register xReply *rep,
- char *buf,
- int len,
- XPointer data)
-{
- register _XIntAtomState *state;
- register int i, idx = 0;
- xInternAtomReply replbuf;
- register xInternAtomReply *repl;
-
- state = (_XIntAtomState *)data;
- if (dpy->last_request_read < state->start_seq ||
- dpy->last_request_read > state->stop_seq)
- return False;
- for (i = 0; i < state->count; i++) {
- if (state->atoms[i] & 0x80000000) {
- idx = ~state->atoms[i];
- state->atoms[i] = None;
- break;
- }
- }
- if (i >= state->count)
- return False;
- if (rep->generic.type == X_Error) {
- state->status = 0;
- return False;
- }
- repl = (xInternAtomReply *)
- _XGetAsyncReply(dpy, (char *)&replbuf, rep, buf, len,
- (SIZEOF(xInternAtomReply) - SIZEOF(xReply)) >> 2,
- True);
- if ((state->atoms[i] = repl->atom))
- _XUpdateAtomCache(dpy, state->names[i], (Atom) repl->atom,
- (unsigned long)0, idx, 0);
- return True;
-}
-
-Status
-XInternAtoms (
- Display *dpy,
- char **names,
- int count,
- Bool onlyIfExists,
- Atom *atoms_return)
-{
- int i, idx, n, tidx;
- unsigned long sig;
- _XAsyncHandler async;
- _XIntAtomState async_state;
- int missed = -1;
- xInternAtomReply rep;
-
- LockDisplay(dpy);
- async_state.start_seq = dpy->request + 1;
- async_state.atoms = atoms_return;
- async_state.names = names;
- async_state.count = count - 1;
- async_state.status = 1;
- async.next = dpy->async_handlers;
- async.handler = _XIntAtomHandler;
- async.data = (XPointer)&async_state;
- dpy->async_handlers = &async;
- for (i = 0; i < count; i++) {
- if (!(atoms_return[i] = _XInternAtom(dpy, names[i], onlyIfExists,
- &sig, &idx, &n))) {
- missed = i;
- atoms_return[i] = ~((Atom)idx);
- async_state.stop_seq = dpy->request;
- }
- }
- if (missed >= 0) {
- if (dpy->atoms) {
- /* unreserve anything we just reserved */
- for (i = 0; i < count; i++) {
- if (atoms_return[i] & 0x80000000) {
- tidx = ~atoms_return[i];
- if (dpy->atoms->table[tidx] == RESERVED)
- dpy->atoms->table[tidx] = NULL;
- }
- }
- }
- if (_XReply (dpy, (xReply *)&rep, 0, xTrue)) {
- if ((atoms_return[missed] = rep.atom))
- _XUpdateAtomCache(dpy, names[missed], (Atom) rep.atom,
- sig, idx, n);
- } else {
- atoms_return[missed] = None;
- async_state.status = 0;
- }
- }
- DeqAsyncHandler(dpy, &async);
- UnlockDisplay(dpy);
- if (missed >= 0)
- SyncHandle();
- return async_state.status;
-}
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