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path: root/nx-X11/lib/src/xkb/XKBList.c
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Diffstat (limited to 'nx-X11/lib/src/xkb/XKBList.c')
-rw-r--r--nx-X11/lib/src/xkb/XKBList.c256
1 files changed, 256 insertions, 0 deletions
diff --git a/nx-X11/lib/src/xkb/XKBList.c b/nx-X11/lib/src/xkb/XKBList.c
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index 000000000..d3d29e2a6
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+++ b/nx-X11/lib/src/xkb/XKBList.c
@@ -0,0 +1,256 @@
+/************************************************************
+Copyright (c) 1995 by Silicon Graphics Computer Systems, Inc.
+
+Permission to use, copy, modify, and distribute this
+software and its documentation for any purpose and without
+fee is hereby granted, provided that the above copyright
+notice appear in all copies and that both that copyright
+notice and this permission notice appear in supporting
+documentation, and that the name of Silicon Graphics not be
+used in advertising or publicity pertaining to distribution
+of the software without specific prior written permission.
+Silicon Graphics makes no representation about the suitability
+of this software for any purpose. It is provided "as is"
+without any express or implied warranty.
+
+SILICON GRAPHICS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
+SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
+GRAPHICS BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL
+DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH
+THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+********************************************************/
+
+#define NEED_MAP_READERS
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xlibint.h"
+#include <nx-X11/extensions/XKBproto.h>
+#include "XKBlibint.h"
+
+/***====================================================================***/
+
+static void
+_FreeComponentNames(int num, XkbComponentNamePtr names)
+{
+ int i;
+ XkbComponentNamePtr tmp;
+
+ if ((num < 1) || (names == NULL))
+ return;
+ for (i = 0, tmp = names; i < num; i++, tmp++) {
+ if (tmp->name) {
+ _XkbFree(tmp->name);
+ tmp->name = NULL;
+ }
+ }
+ _XkbFree(names);
+ return;
+}
+
+/***====================================================================***/
+
+static XkbComponentNamePtr
+_ReadListing(XkbReadBufferPtr buf, int count, Status * status_rtrn)
+{
+ XkbComponentNamePtr first, this;
+ register int i;
+ CARD16 *flags;
+ int slen, wlen;
+ char *str;
+
+ if (count < 1)
+ return NULL;
+ first = _XkbTypedCalloc(count, XkbComponentNameRec);
+ if (!first)
+ return NULL;
+ for (this = first, i = 0; i < count; i++, this++) {
+ flags = (CARD16 *) _XkbGetReadBufferPtr(buf, 2 * sizeof(CARD16));
+ if (!flags)
+ goto BAILOUT;
+ this->flags = flags[0];
+ slen = flags[1];
+ wlen = ((slen + 1) / 2) * 2; /* pad to 2 byte boundary */
+ this->name = _XkbTypedCalloc(slen + 1, char);
+
+ if (!this->name)
+ goto BAILOUT;
+ str = (char *) _XkbGetReadBufferPtr(buf, wlen);
+ if (!str)
+ goto BAILOUT;
+ memcpy(this->name, str, slen);
+ }
+ return first;
+ BAILOUT:
+ *status_rtrn = BadAlloc;
+ _FreeComponentNames(i, first);
+ return NULL;
+}
+
+/***====================================================================***/
+
+XkbComponentListPtr
+XkbListComponents(Display *dpy,
+ unsigned deviceSpec,
+ XkbComponentNamesPtr ptrns,
+ int *max_inout)
+{
+ register xkbListComponentsReq *req;
+ xkbListComponentsReply rep;
+ XkbInfoPtr xkbi;
+ XkbComponentListPtr list;
+ XkbReadBufferRec buf;
+ int left;
+ char *str;
+ int extraLen, len, mapLen, codesLen, typesLen, compatLen, symsLen, geomLen;
+
+ if ((dpy == NULL) || (dpy->flags & XlibDisplayNoXkb) ||
+ (!dpy->xkb_info && !XkbUseExtension(dpy, NULL, NULL)) ||
+ (ptrns == NULL) || (max_inout == NULL))
+ return NULL;
+
+ xkbi = dpy->xkb_info;
+ LockDisplay(dpy);
+ GetReq(kbListComponents, req);
+ req->reqType = xkbi->codes->major_opcode;
+ req->xkbReqType = X_kbListComponents;
+ req->deviceSpec = deviceSpec;
+ req->maxNames = *max_inout;
+
+ mapLen = codesLen = typesLen = compatLen = symsLen = geomLen = 0;
+ if (ptrns->keymap)
+ mapLen = (int) strlen(ptrns->keymap);
+ if (ptrns->keycodes)
+ codesLen = (int) strlen(ptrns->keycodes);
+ if (ptrns->types)
+ typesLen = (int) strlen(ptrns->types);
+ if (ptrns->compat)
+ compatLen = (int) strlen(ptrns->compat);
+ if (ptrns->symbols)
+ symsLen = (int) strlen(ptrns->symbols);
+ if (ptrns->geometry)
+ geomLen = (int) strlen(ptrns->geometry);
+ if (mapLen > 255)
+ mapLen = 255;
+ if (codesLen > 255)
+ codesLen = 255;
+ if (typesLen > 255)
+ typesLen = 255;
+ if (compatLen > 255)
+ compatLen = 255;
+ if (symsLen > 255)
+ symsLen = 255;
+ if (geomLen > 255)
+ geomLen = 255;
+
+ len = mapLen + codesLen + typesLen + compatLen + symsLen + geomLen + 6;
+ len = XkbPaddedSize(len);
+ req->length += len / 4;
+ BufAlloc(char *, str, len);
+
+ *str++ = mapLen;
+ if (mapLen > 0) {
+ memcpy(str, ptrns->keymap, mapLen);
+ str += mapLen;
+ }
+ *str++ = codesLen;
+ if (codesLen > 0) {
+ memcpy(str, ptrns->keycodes, codesLen);
+ str += codesLen;
+ }
+ *str++ = typesLen;
+ if (typesLen > 0) {
+ memcpy(str, ptrns->types, typesLen);
+ str += typesLen;
+ }
+ *str++ = compatLen;
+ if (compatLen > 0) {
+ memcpy(str, ptrns->compat, compatLen);
+ str += compatLen;
+ }
+ *str++ = symsLen;
+ if (symsLen > 0) {
+ memcpy(str, ptrns->symbols, symsLen);
+ str += symsLen;
+ }
+ *str++ = geomLen;
+ if (geomLen > 0) {
+ memcpy(str, ptrns->geometry, geomLen);
+ str += geomLen;
+ }
+ if (!_XReply(dpy, (xReply *) &rep, 0, xFalse))
+ goto BAILOUT;
+ extraLen = (int) rep.length * 4;
+ *max_inout = rep.extra;
+ if (extraLen == 0) { /* no matches, but we don't want to report a failure */
+ list = _XkbTypedCalloc(1, XkbComponentListRec);
+ UnlockDisplay(dpy);
+ SyncHandle();
+ return list;
+ }
+ if (_XkbInitReadBuffer(dpy, &buf, extraLen)) {
+ Status status = Success;
+
+ list = _XkbTypedCalloc(1, XkbComponentListRec);
+ if (!list) {
+ _XkbFreeReadBuffer(&buf);
+ goto BAILOUT;
+ }
+ list->num_keymaps = rep.nKeymaps;
+ list->num_keycodes = rep.nKeycodes;
+ list->num_types = rep.nTypes;
+ list->num_compat = rep.nCompatMaps;
+ list->num_symbols = rep.nSymbols;
+ list->num_geometry = rep.nGeometries;
+ if ((status == Success) && (list->num_keymaps > 0))
+ list->keymaps = _ReadListing(&buf, list->num_keymaps, &status);
+ if ((status == Success) && (list->num_keycodes > 0))
+ list->keycodes = _ReadListing(&buf, list->num_keycodes, &status);
+ if ((status == Success) && (list->num_types > 0))
+ list->types = _ReadListing(&buf, list->num_types, &status);
+ if ((status == Success) && (list->num_compat > 0))
+ list->compat = _ReadListing(&buf, list->num_compat, &status);
+ if ((status == Success) && (list->num_symbols > 0))
+ list->symbols = _ReadListing(&buf, list->num_symbols, &status);
+ if ((status == Success) && (list->num_geometry > 0))
+ list->geometry = _ReadListing(&buf, list->num_geometry, &status);
+ left = _XkbFreeReadBuffer(&buf);
+ if ((status != Success) || (buf.error) || (left > 2)) {
+ XkbFreeComponentList(list);
+ goto BAILOUT;
+ }
+ UnlockDisplay(dpy);
+ SyncHandle();
+ return list;
+ }
+ BAILOUT:
+ UnlockDisplay(dpy);
+ SyncHandle();
+ return NULL;
+}
+
+void
+XkbFreeComponentList(XkbComponentListPtr list)
+{
+ if (list) {
+ if (list->keymaps)
+ _FreeComponentNames(list->num_keymaps, list->keymaps);
+ if (list->keycodes)
+ _FreeComponentNames(list->num_keycodes, list->keycodes);
+ if (list->types)
+ _FreeComponentNames(list->num_types, list->types);
+ if (list->compat)
+ _FreeComponentNames(list->num_compat, list->compat);
+ if (list->symbols)
+ _FreeComponentNames(list->num_symbols, list->symbols);
+ if (list->geometry)
+ _FreeComponentNames(list->num_geometry, list->geometry);
+ bzero((char *) list, sizeof(XkbComponentListRec));
+ _XkbFree(list);
+ }
+ return;
+}
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