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authormarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
committermarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
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Checked in the following released items:
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Diffstat (limited to 'libX11/src/GetAtomNm.c')
-rw-r--r--libX11/src/GetAtomNm.c192
1 files changed, 192 insertions, 0 deletions
diff --git a/libX11/src/GetAtomNm.c b/libX11/src/GetAtomNm.c
new file mode 100644
index 000000000..45b4f481d
--- /dev/null
+++ b/libX11/src/GetAtomNm.c
@@ -0,0 +1,192 @@
+/* $Xorg: GetAtomNm.c,v 1.5 2001/02/09 02:03:33 xorgcvs Exp $ */
+/*
+
+Copyright 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.
+
+*/
+/* $XFree86: xc/lib/X11/GetAtomNm.c,v 3.4 2001/08/18 02:41:28 dawes Exp $ */
+
+#define NEED_REPLIES
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xlibint.h"
+#include "Xintatom.h"
+
+static
+char *_XGetAtomName(
+ Display *dpy,
+ Atom atom)
+{
+ xResourceReq *req;
+ char *name;
+ register Entry *table;
+ register int idx;
+ register Entry e;
+
+ if (dpy->atoms) {
+ table = dpy->atoms->table;
+ for (idx = TABLESIZE; --idx >= 0; ) {
+ if ((e = *table++) && (e->atom == atom)) {
+ idx = strlen(EntryName(e)) + 1;
+ if ((name = (char *)Xmalloc(idx)))
+ strcpy(name, EntryName(e));
+ return name;
+ }
+ }
+ }
+ GetResReq(GetAtomName, atom, req);
+ return (char *)NULL;
+}
+
+char *XGetAtomName(
+ register Display *dpy,
+ Atom atom)
+{
+ xGetAtomNameReply rep;
+ char *name;
+
+ LockDisplay(dpy);
+ if ((name = _XGetAtomName(dpy, atom))) {
+ UnlockDisplay(dpy);
+ return name;
+ }
+ if (_XReply(dpy, (xReply *)&rep, 0, xFalse) == 0) {
+ UnlockDisplay(dpy);
+ SyncHandle();
+ return(NULL);
+ }
+ if ((name = (char *) Xmalloc(rep.nameLength+1))) {
+ _XReadPad(dpy, name, (long)rep.nameLength);
+ name[rep.nameLength] = '\0';
+ _XUpdateAtomCache(dpy, name, atom, 0, -1, 0);
+ } else {
+ _XEatData(dpy, (unsigned long) (rep.nameLength + 3) & ~3);
+ name = (char *) NULL;
+ }
+ UnlockDisplay(dpy);
+ SyncHandle();
+ return(name);
+}
+
+typedef struct {
+ unsigned long start_seq;
+ unsigned long stop_seq;
+ Atom *atoms;
+ char **names;
+ int idx;
+ int count;
+ Status status;
+} _XGetAtomNameState;
+
+static
+Bool _XGetAtomNameHandler(
+ register Display *dpy,
+ register xReply *rep,
+ char *buf,
+ int len,
+ XPointer data)
+{
+ register _XGetAtomNameState *state;
+ xGetAtomNameReply replbuf;
+ register xGetAtomNameReply *repl;
+
+ state = (_XGetAtomNameState *)data;
+ if (dpy->last_request_read < state->start_seq ||
+ dpy->last_request_read > state->stop_seq)
+ return False;
+ while (state->idx < state->count && state->names[state->idx])
+ state->idx++;
+ if (state->idx >= state->count)
+ return False;
+ if (rep->generic.type == X_Error) {
+ state->status = 0;
+ return False;
+ }
+ repl = (xGetAtomNameReply *)
+ _XGetAsyncReply(dpy, (char *)&replbuf, rep, buf, len,
+ (SIZEOF(xGetAtomNameReply) - SIZEOF(xReply)) >> 2,
+ False);
+ state->names[state->idx] = (char *) Xmalloc(repl->nameLength+1);
+ _XGetAsyncData(dpy, state->names[state->idx], buf, len,
+ SIZEOF(xGetAtomNameReply), repl->nameLength,
+ repl->length << 2);
+ if (state->names[state->idx]) {
+ state->names[state->idx][repl->nameLength] = '\0';
+ _XUpdateAtomCache(dpy, state->names[state->idx],
+ state->atoms[state->idx], 0, -1, 0);
+ } else {
+ state->status = 0;
+ }
+ return True;
+}
+
+Status
+XGetAtomNames (
+ Display *dpy,
+ Atom *atoms,
+ int count,
+ char **names_return)
+{
+ _XAsyncHandler async;
+ _XGetAtomNameState async_state;
+ xGetAtomNameReply rep;
+ int i;
+ int missed = -1;
+
+ LockDisplay(dpy);
+ async_state.start_seq = dpy->request + 1;
+ async_state.atoms = atoms;
+ async_state.names = names_return;
+ async_state.idx = 0;
+ async_state.count = count - 1;
+ async_state.status = 1;
+ async.next = dpy->async_handlers;
+ async.handler = _XGetAtomNameHandler;
+ async.data = (XPointer)&async_state;
+ dpy->async_handlers = &async;
+ for (i = 0; i < count; i++) {
+ if (!(names_return[i] = _XGetAtomName(dpy, atoms[i]))) {
+ missed = i;
+ async_state.stop_seq = dpy->request;
+ }
+ }
+ if (missed >= 0) {
+ if (_XReply(dpy, (xReply *)&rep, 0, xFalse)) {
+ if ((names_return[missed] = (char *) Xmalloc(rep.nameLength+1))) {
+ _XReadPad(dpy, names_return[missed], (long)rep.nameLength);
+ names_return[missed][rep.nameLength] = '\0';
+ _XUpdateAtomCache(dpy, names_return[missed], atoms[missed],
+ 0, -1, 0);
+ } else {
+ _XEatData(dpy, (unsigned long) (rep.nameLength + 3) & ~3);
+ async_state.status = 0;
+ }
+ }
+ }
+ DeqAsyncHandler(dpy, &async);
+ UnlockDisplay(dpy);
+ if (missed >= 0)
+ SyncHandle();
+ return async_state.status;
+}