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Diffstat (limited to 'nx-X11/lib/modules/im/ximcp/imTransR.c')
-rw-r--r--nx-X11/lib/modules/im/ximcp/imTransR.c306
1 files changed, 306 insertions, 0 deletions
diff --git a/nx-X11/lib/modules/im/ximcp/imTransR.c b/nx-X11/lib/modules/im/ximcp/imTransR.c
new file mode 100644
index 000000000..50b549e71
--- /dev/null
+++ b/nx-X11/lib/modules/im/ximcp/imTransR.c
@@ -0,0 +1,306 @@
+/*
+ * Copyright 1992 Oracle and/or its affiliates. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) 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 AUTHORS OR COPYRIGHT HOLDERS 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.
+ */
+/******************************************************************
+
+ Copyright 1992, 1993, 1994 by FUJITSU LIMITED
+
+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, and that the name of FUJITSU LIMITED
+not be used in advertising or publicity pertaining to distribution
+of the software without specific, written prior permission.
+FUJITSU LIMITED makes no representations about the suitability of
+this software for any purpose.
+It is provided "as is" without express or implied warranty.
+
+FUJITSU LIMITED DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+EVENT SHALL FUJITSU LIMITED 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.
+
+ Author: Hideki Hiura (hhiura@Sun.COM) Sun Microsystems, Inc.
+ Takashi Fujiwara FUJITSU LIMITED
+ fujiwara@a80.tech.yk.fujitsu.co.jp
+
+******************************************************************/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xlibint.h"
+#include "Xlcint.h"
+#include "XimTrInt.h"
+#include "Ximint.h"
+
+TransportSW _XimTransportRec[] = {
+ { "X", _XimXConf }, /* 1st entry must be X.
+ This will be a fallback */
+#ifdef TCPCONN
+ { "tcp", _XimTransConf }, /* use X transport lib */
+#endif /* TCPCONN */
+#if defined(UNIXCONN) || defined(LOCALCONN)
+ { "local", _XimTransConf }, /* use X transport lib */
+#endif /* UNIXCONN */
+ { (char *)NULL, (Bool (*)(Xim, char *))NULL },
+};
+
+Bool
+_XimConnect(Xim im)
+{
+ return im->private.proto.connect(im);
+}
+
+Bool
+_XimShutdown(Xim im)
+{
+ return im->private.proto.shutdown(im);
+}
+
+Bool
+_XimWrite(Xim im, INT16 len, XPointer data)
+{
+ return im->private.proto.write(im, len, data);
+}
+
+static int
+_CheckProtocolData(
+ Xim im,
+ char *recv_buf)
+{
+ int data_len;
+
+ data_len = (int)(((*((CARD16 *)recv_buf + 1)) * 4) + XIM_HEADER_SIZE);
+ return data_len;
+}
+
+static int
+_XimReadData(
+ Xim im,
+ INT16 *len,
+ XPointer buf,
+ int buf_size)
+{
+ char *hold_buf;
+ char *tmp;
+ int data_len;
+ int packet_size;
+ int ret_len;
+ register int i;
+
+ if (buf_size < XIM_HEADER_SIZE) {
+ *len = (INT16)XIM_HEADER_SIZE;
+ return XIM_OVERFLOW;
+ }
+
+ bzero(buf, buf_size);
+ packet_size = 0;
+ data_len = 0;
+
+ if ((hold_buf = im->private.proto.hold_data)) {
+ data_len = im->private.proto.hold_data_len;
+ if (data_len >= XIM_HEADER_SIZE) {
+ packet_size = _CheckProtocolData(im, hold_buf);
+ if (packet_size > buf_size) {
+ *len = (INT16)packet_size;
+ return XIM_OVERFLOW;
+ }
+ if (packet_size <= data_len) {
+ memcpy(buf, hold_buf, packet_size);
+ for (i = packet_size; i < data_len; i++) {
+ if (hold_buf[i])
+ break;
+ }
+ data_len -= i;
+
+ if (data_len) {
+ if (!(tmp = Xmalloc(data_len))) {
+ return XIM_FALSE;
+ }
+ memcpy(tmp, &hold_buf[i], data_len);
+ im->private.proto.hold_data = tmp;
+ im->private.proto.hold_data_len = data_len;
+ } else {
+ im->private.proto.hold_data = 0;
+ im->private.proto.hold_data_len = 0;
+ }
+ Xfree(hold_buf);
+ *len = (INT16)packet_size;
+ return XIM_TRUE;
+ }
+ }
+ memcpy(buf, hold_buf, data_len);
+ buf_size -= data_len;
+ Xfree(hold_buf);
+ im->private.proto.hold_data = 0;
+ im->private.proto.hold_data_len = 0;
+ }
+
+ if (!packet_size) {
+ while (data_len < XIM_HEADER_SIZE) {
+ if (!(im->private.proto.read(im,
+ (XPointer)&buf[data_len], buf_size, &ret_len))) {
+ return XIM_FALSE;
+ }
+ data_len += ret_len;
+ buf_size -= ret_len;
+ }
+ packet_size = _CheckProtocolData(im, buf);
+ }
+
+ if (packet_size > buf_size) {
+ if (!(tmp = Xmalloc(data_len))) {
+ return XIM_FALSE;
+ }
+ memcpy(tmp, buf, data_len);
+ bzero(buf, data_len);
+ im->private.proto.hold_data = tmp;
+ im->private.proto.hold_data_len = data_len;
+ *len = (INT16)packet_size;
+ return XIM_OVERFLOW;
+ }
+
+ while (data_len < packet_size) {
+ if (!(im->private.proto.read(im,
+ (XPointer)&buf[data_len], buf_size, &ret_len))) {
+ return XIM_FALSE;
+ }
+ data_len += ret_len;
+ buf_size -= ret_len;
+ }
+
+ for (i = packet_size; i < data_len; i++) {
+ if (buf[i])
+ break;
+ }
+ data_len -= i;
+
+ if (data_len) {
+ if (!(tmp = Xmalloc(data_len))) {
+ return XIM_FALSE;
+ }
+ memcpy(tmp, &buf[i], data_len);
+ bzero(&buf[i], data_len);
+ im->private.proto.hold_data = tmp;
+ im->private.proto.hold_data_len = data_len;
+ } else {
+ im->private.proto.hold_data = 0;
+ im->private.proto.hold_data_len = 0;
+ }
+ *len = (INT16)packet_size;
+ return XIM_TRUE;
+}
+
+static Bool
+_XimCallDispatcher(
+ Xim im,
+ INT16 len,
+ XPointer data)
+{
+ return im->private.proto.call_dispatcher(im, len, data);
+}
+
+int
+_XimRead(Xim im, INT16 *len, XPointer buf, int buf_size,
+ Bool (*predicate)(Xim, INT16, XPointer, XPointer), XPointer arg)
+{
+ INT16 read_len;
+ int ret_code;
+
+ for (;;) {
+ ret_code = _XimReadData(im, &read_len, buf, buf_size);
+ if(ret_code != XIM_TRUE) {
+ return ret_code;
+ }
+ if ((*predicate)(im, read_len, buf, arg))
+ break;
+ if (_XimCallDispatcher(im, read_len, buf))
+ continue;
+ _XimError(im, 0, XIM_BadProtocol, (INT16)0, (CARD16)0, (char *)NULL);
+ }
+ *len = read_len;
+ return True;
+}
+
+Bool
+_XimRegisterDispatcher(
+ Xim im,
+ Bool (*callback)(
+ Xim, INT16, XPointer, XPointer
+ ),
+ XPointer call_data)
+{
+ return im->private.proto.register_dispatcher(im, callback, call_data);
+}
+
+void
+_XimFlush(Xim im)
+{
+ im->private.proto.flush(im);
+ return;
+}
+
+Bool
+_XimFilterWaitEvent(Xim im)
+{
+ INT16 read_len;
+ CARD32 reply32[BUFSIZE/4];
+ char *reply = (char *)reply32;
+ XPointer preply;
+ int buf_size;
+ int ret_code;
+
+ buf_size = BUFSIZE;
+ ret_code = _XimReadData(im, &read_len, (XPointer)reply, buf_size);
+ if(ret_code == XIM_TRUE) {
+ preply = reply;
+ } else if(ret_code == XIM_OVERFLOW) {
+ if(read_len <= 0) {
+ preply = reply;
+ } else {
+ buf_size = (int)read_len;
+ preply = Xmalloc(buf_size);
+ ret_code = _XimReadData(im, &read_len, preply, buf_size);
+ if(ret_code != XIM_TRUE) {
+ if (preply != reply)
+ Xfree(preply);
+ return False;
+ }
+ }
+ } else {
+ return False;
+ }
+ if (_XimCallDispatcher(im, read_len, preply)) {
+ if(reply != preply)
+ Xfree(preply);
+ return True;
+ }
+ _XimError(im, 0, XIM_BadProtocol, (INT16)0, (CARD16)0, (char *)NULL);
+ if(reply != preply)
+ Xfree(preply);
+ return True;
+}
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