summaryrefslogtreecommitdiff
path: root/src/misc.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/misc.c')
-rw-r--r--src/misc.c621
1 files changed, 621 insertions, 0 deletions
diff --git a/src/misc.c b/src/misc.c
new file mode 100644
index 0000000..0ed98b0
--- /dev/null
+++ b/src/misc.c
@@ -0,0 +1,621 @@
+/* $Xorg: misc.c,v 1.4 2001/02/09 02:03:26 xorgcvs Exp $ */
+/******************************************************************************
+
+
+Copyright 1993, 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.
+
+Author: Ralph Mor, X Consortium
+******************************************************************************/
+
+#ifdef WIN32
+#define _WILLWINSOCK_
+#endif
+#include <X11/ICE/ICElib.h>
+#include "ICElibint.h"
+#include <X11/Xtrans.h>
+#include <stdio.h>
+#ifdef WIN32
+#include <X11/Xwinsock.h>
+#include <X11/Xw32defs.h>
+#endif
+
+
+/*
+ * scratch buffer
+ */
+
+char *
+IceAllocScratch (iceConn, size)
+
+IceConn iceConn;
+unsigned long size;
+
+{
+ if (!iceConn->scratch || size > iceConn->scratch_size)
+ {
+ if (iceConn->scratch)
+ free (iceConn->scratch);
+
+ iceConn->scratch = (char *) malloc ((unsigned) size);
+ iceConn->scratch_size = size;
+ }
+
+ return (iceConn->scratch);
+}
+
+
+
+/*
+ * Output/Input buffer functions
+ */
+
+IceFlush (iceConn)
+
+IceConn iceConn;
+
+{
+ _IceWrite (iceConn,
+ (unsigned long) (iceConn->outbufptr - iceConn->outbuf),
+ iceConn->outbuf);
+
+ iceConn->outbufptr = iceConn->outbuf;
+ return 1;
+}
+
+
+int
+IceGetOutBufSize (iceConn)
+
+IceConn iceConn;
+
+{
+ return (iceConn->outbufmax - iceConn->outbuf);
+}
+
+
+int
+IceGetInBufSize (iceConn)
+
+IceConn iceConn;
+
+{
+ return (iceConn->inbufmax - iceConn->inbuf);
+}
+
+
+
+/*
+ * informational functions
+ */
+
+IceConnectStatus
+IceConnectionStatus (iceConn)
+
+IceConn iceConn;
+
+{
+ return (iceConn->connection_status);
+}
+
+
+char *
+IceVendor (iceConn)
+
+IceConn iceConn;
+
+{
+ char *string = (char *) malloc (strlen (iceConn->vendor) + 1);
+
+ if (string)
+ strcpy (string, iceConn->vendor);
+
+ return (string);
+}
+
+
+char *
+IceRelease (iceConn)
+
+IceConn iceConn;
+
+{
+ char *string = (char *) malloc (strlen (iceConn->release) + 1);
+
+ if (string)
+ strcpy (string, iceConn->release);
+
+ return (string);
+}
+
+
+int
+IceProtocolVersion (iceConn)
+
+IceConn iceConn;
+
+{
+ return (_IceVersions[iceConn->my_ice_version_index].major_version);
+}
+
+
+int
+IceProtocolRevision (iceConn)
+
+IceConn iceConn;
+
+{
+ return (_IceVersions[iceConn->my_ice_version_index].minor_version);
+}
+
+
+int
+IceConnectionNumber (iceConn)
+
+IceConn iceConn;
+
+{
+ return (_IceTransGetConnectionNumber (iceConn->trans_conn));
+}
+
+
+char *
+IceConnectionString (iceConn)
+
+IceConn iceConn;
+
+{
+ if (iceConn->connection_string)
+ {
+ char *string = (char *) malloc (
+ strlen (iceConn->connection_string) + 1);
+
+ if (string)
+ strcpy (string, iceConn->connection_string);
+
+ return (string);
+ }
+ else
+ return (NULL);
+}
+
+
+unsigned long
+IceLastSentSequenceNumber (iceConn)
+
+IceConn iceConn;
+
+{
+ return (iceConn->send_sequence);
+}
+
+
+unsigned long
+IceLastReceivedSequenceNumber (iceConn)
+
+IceConn iceConn;
+
+{
+ return (iceConn->receive_sequence);
+}
+
+
+Bool
+IceSwapping (iceConn)
+
+IceConn iceConn;
+
+{
+ return (iceConn->swap);
+}
+
+
+
+/*
+ * Read "n" bytes from a connection.
+ *
+ * Return Status 0 if we detected an EXPECTED closed connection.
+ *
+ */
+
+Status
+_IceRead (iceConn, nbytes, ptr)
+
+register IceConn iceConn;
+unsigned long nbytes;
+register char *ptr;
+
+{
+ register unsigned long nleft;
+
+ nleft = nbytes;
+ while (nleft > 0)
+ {
+ int nread;
+
+ if (iceConn->io_ok)
+ nread = _IceTransRead (iceConn->trans_conn, ptr, (int) nleft);
+ else
+ return (1);
+
+ if (nread <= 0)
+ {
+#ifdef WIN32
+ errno = WSAGetLastError();
+#endif
+ if (iceConn->want_to_close)
+ {
+ /*
+ * We sent a WantToClose message and now we detected that
+ * the other side closed the connection.
+ */
+
+ _IceConnectionClosed (iceConn); /* invoke watch procs */
+ _IceFreeConnection (iceConn);
+
+ return (0);
+ }
+ else
+ {
+ /*
+ * Fatal IO error. First notify each protocol's IceIOErrorProc
+ * callback, then invoke the application IO error handler.
+ */
+
+ iceConn->io_ok = False;
+
+ if (iceConn->connection_status == IceConnectPending)
+ {
+ /*
+ * Don't invoke IO error handler if we are in the
+ * middle of a connection setup.
+ */
+
+ return (1);
+ }
+
+ if (iceConn->process_msg_info)
+ {
+ int i;
+
+ for (i = iceConn->his_min_opcode;
+ i <= iceConn->his_max_opcode; i++)
+ {
+ _IceProcessMsgInfo *process;
+
+ process = &iceConn->process_msg_info[
+ i - iceConn->his_min_opcode];
+
+ if (process->in_use)
+ {
+ IceIOErrorProc IOErrProc = process->accept_flag ?
+ process->protocol->accept_client->io_error_proc :
+ process->protocol->orig_client->io_error_proc;
+
+ if (IOErrProc)
+ (*IOErrProc) (iceConn);
+ }
+ }
+ }
+
+ (*_IceIOErrorHandler) (iceConn);
+ return (1);
+ }
+ }
+
+ nleft -= nread;
+ ptr += nread;
+ }
+
+ return (1);
+}
+
+
+
+/*
+ * If we read a message header with a bad major or minor opcode,
+ * we need to advance to the end of the message. This way, the next
+ * message can be processed correctly.
+ */
+
+void
+_IceReadSkip (iceConn, nbytes)
+
+register IceConn iceConn;
+register unsigned long nbytes;
+
+{
+ char temp[512];
+
+ while (nbytes > 0)
+ {
+ unsigned long rbytes = nbytes > 512 ? 512 : nbytes;
+
+ _IceRead (iceConn, rbytes, temp);
+ nbytes -= rbytes;
+ }
+}
+
+
+
+/*
+ * Write "n" bytes to a connection.
+ */
+
+void
+_IceWrite (iceConn, nbytes, ptr)
+
+register IceConn iceConn;
+unsigned long nbytes;
+register char *ptr;
+
+{
+ register unsigned long nleft;
+
+ nleft = nbytes;
+ while (nleft > 0)
+ {
+ int nwritten;
+
+ if (iceConn->io_ok)
+ nwritten = _IceTransWrite (iceConn->trans_conn, ptr, (int) nleft);
+ else
+ return;
+
+ if (nwritten <= 0)
+ {
+#ifdef WIN32
+ errno = WSAGetLastError();
+#endif
+ /*
+ * Fatal IO error. First notify each protocol's IceIOErrorProc
+ * callback, then invoke the application IO error handler.
+ */
+
+ iceConn->io_ok = False;
+
+ if (iceConn->connection_status == IceConnectPending)
+ {
+ /*
+ * Don't invoke IO error handler if we are in the
+ * middle of a connection setup.
+ */
+
+ return;
+ }
+
+ if (iceConn->process_msg_info)
+ {
+ int i;
+
+ for (i = iceConn->his_min_opcode;
+ i <= iceConn->his_max_opcode; i++)
+ {
+ _IceProcessMsgInfo *process;
+
+ process = &iceConn->process_msg_info[
+ i - iceConn->his_min_opcode];
+
+ if (process->in_use)
+ {
+ IceIOErrorProc IOErrProc = process->accept_flag ?
+ process->protocol->accept_client->io_error_proc :
+ process->protocol->orig_client->io_error_proc;
+
+ if (IOErrProc)
+ (*IOErrProc) (iceConn);
+ }
+ }
+ }
+
+ (*_IceIOErrorHandler) (iceConn);
+ return;
+ }
+
+ nleft -= nwritten;
+ ptr += nwritten;
+ }
+}
+
+#ifdef WORD64
+
+IceWriteData16 (iceConn, nbytes, data)
+
+IceConn iceConn;
+unsigned long nbytes;
+short *data;
+
+{
+ int numShorts = nbytes / 2;
+ int index = 0;
+
+ while (index < numShorts)
+ {
+ int spaceLeft, count, i;
+ int shortsLeft = numShorts - index;
+
+ spaceLeft = iceConn->outbufmax - iceConn->outbufptr - 1;
+
+ if (spaceLeft < 2)
+ {
+ IceFlush (iceConn);
+ spaceLeft = iceConn->outbufmax - iceConn->outbufptr - 1;
+ }
+
+ count = (shortsLeft < spaceLeft / 2) ? shortsLeft : spaceLeft / 2;
+
+ for (i = 0; i < count; i++)
+ STORE_CARD16 (iceConn->outbufptr, data[index++]);
+ }
+}
+
+
+IceWriteData32 (iceConn, nbytes, data)
+
+IceConn iceConn;
+unsigned long nbytes;
+int *data;
+
+{
+ int numLongs = nbytes / 4;
+ int index = 0;
+
+ while (index < numLongs)
+ {
+ int spaceLeft, count, i;
+ int longsLeft = numLongs - index;
+
+ spaceLeft = iceConn->outbufmax - iceConn->outbufptr - 1;
+
+ if (spaceLeft < 4)
+ {
+ IceFlush (iceConn);
+ spaceLeft = iceConn->outbufmax - iceConn->outbufptr - 1;
+ }
+
+ count = (longsLeft < spaceLeft / 4) ? longsLeft : spaceLeft / 4;
+
+ for (i = 0; i < count; i++)
+ STORE_CARD32 (iceConn->outbufptr, data[index++]);
+ }
+}
+
+
+IceReadData16 (iceConn, swap, nbytes, data)
+
+IceConn iceConn;
+Bool swap;
+unsigned long nbytes;
+short *data;
+
+{
+ /* NOT IMPLEMENTED YET */
+}
+
+
+IceReadData32 (iceConn, swap, nbytes, data)
+
+IceConn iceConn;
+Bool swap;
+unsigned long nbytes;
+int *data;
+
+{
+ /* NOT IMPLEMENTED YET */
+}
+
+#endif /* WORD64 */
+
+
+
+void
+_IceAddOpcodeMapping (iceConn, hisOpcode, myOpcode)
+
+IceConn iceConn;
+int hisOpcode;
+int myOpcode;
+
+{
+ if (hisOpcode <= 0 || hisOpcode > 255)
+ {
+ return;
+ }
+ else if (iceConn->process_msg_info == NULL)
+ {
+ iceConn->process_msg_info = (_IceProcessMsgInfo *) malloc (
+ sizeof (_IceProcessMsgInfo));
+ iceConn->his_min_opcode = iceConn->his_max_opcode = hisOpcode;
+ }
+ else if (hisOpcode < iceConn->his_min_opcode)
+ {
+ _IceProcessMsgInfo *oldVec = iceConn->process_msg_info;
+ int oldsize = iceConn->his_max_opcode - iceConn->his_min_opcode + 1;
+ int newsize = iceConn->his_max_opcode - hisOpcode + 1;
+ int i;
+
+ iceConn->process_msg_info = (_IceProcessMsgInfo *) malloc (
+ newsize * sizeof (_IceProcessMsgInfo));
+
+ memcpy (&iceConn->process_msg_info[
+ iceConn->his_min_opcode - hisOpcode], oldVec,
+ oldsize * sizeof (_IceProcessMsgInfo));
+
+ free ((char *) oldVec);
+
+ for (i = hisOpcode + 1; i < iceConn->his_min_opcode; i++)
+ {
+ iceConn->process_msg_info[i -
+ iceConn->his_min_opcode].in_use = False;
+
+ iceConn->process_msg_info[i -
+ iceConn->his_min_opcode].protocol = NULL;
+ }
+
+ iceConn->his_min_opcode = hisOpcode;
+ }
+ else if (hisOpcode > iceConn->his_max_opcode)
+ {
+ _IceProcessMsgInfo *oldVec = iceConn->process_msg_info;
+ int oldsize = iceConn->his_max_opcode - iceConn->his_min_opcode + 1;
+ int newsize = hisOpcode - iceConn->his_min_opcode + 1;
+ int i;
+
+ iceConn->process_msg_info = (_IceProcessMsgInfo *) malloc (
+ newsize * sizeof (_IceProcessMsgInfo));
+
+ memcpy (iceConn->process_msg_info, oldVec,
+ oldsize * sizeof (_IceProcessMsgInfo));
+
+ free ((char *) oldVec);
+
+ for (i = iceConn->his_max_opcode + 1; i < hisOpcode; i++)
+ {
+ iceConn->process_msg_info[i -
+ iceConn->his_min_opcode].in_use = False;
+
+ iceConn->process_msg_info[i -
+ iceConn->his_min_opcode].protocol = NULL;
+ }
+
+ iceConn->his_max_opcode = hisOpcode;
+ }
+
+ iceConn->process_msg_info[hisOpcode -
+ iceConn->his_min_opcode].in_use = True;
+
+ iceConn->process_msg_info[hisOpcode -
+ iceConn->his_min_opcode].my_opcode = myOpcode;
+
+ iceConn->process_msg_info[hisOpcode -
+ iceConn->his_min_opcode].protocol = &_IceProtocols[myOpcode - 1];
+}
+
+
+
+char *
+_IceGetPeerName (iceConn)
+
+IceConn iceConn;
+
+{
+ return (_IceTransGetPeerNetworkId (iceConn->trans_conn));
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-24 18:05:02 +0000