summaryrefslogtreecommitdiffstats
path: root/win/tclWinDde.c
diff options
context:
space:
mode:
Diffstat (limited to 'win/tclWinDde.c')
-rw-r--r--win/tclWinDde.c68
1 files changed, 38 insertions, 30 deletions
diff --git a/win/tclWinDde.c b/win/tclWinDde.c
index 7e20da7..5543732 100644
--- a/win/tclWinDde.c
+++ b/win/tclWinDde.c
@@ -83,6 +83,10 @@ static int ddeIsServer = 0;
#define TCL_DDE_SERVICE_NAME "TclEval"
#define TCL_DDE_EXECUTE_RESULT "$TCLEVAL$EXECUTE$RESULT"
+#define DDE_FLAG_ASYNC 1
+#define DDE_FLAG_BINARY 2
+#define DDE_FLAG_FORCE 4
+
TCL_DECLARE_MUTEX(ddeMutex)
/*
@@ -265,7 +269,7 @@ DdeSetServerName(
const char *name, /* The name that will be used to refer to the
* interpreter in later "send" commands. Must
* be globally unique. */
- int exactName, /* Should we make a unique name? 0 = unique */
+ int flags, /* DDE_FLAG_FORCE or 0 */
Tcl_Obj *handlerPtr) /* Name of the optional proc/command to handle
* incoming Dde eval's */
{
@@ -321,7 +325,7 @@ DdeSetServerName(
Tcl_DStringInit(&dString);
actualName = name;
- if (!exactName) {
+ if (!(flags & DDE_FLAG_FORCE)) {
r = DdeGetServicesList(interp, TCL_DDE_SERVICE_NAME, NULL);
if (r == TCL_OK) {
srvListPtr = Tcl_GetObjResult(interp);
@@ -761,6 +765,7 @@ DdeServerProc(
*/
Tcl_Obj *returnPackagePtr;
+ Tcl_UniChar *uniStr;
for (convPtr = tsdPtr->currentConversations; (convPtr != NULL)
&& (convPtr->hConv != hConv); convPtr = convPtr->nextPtr) {
@@ -774,11 +779,21 @@ DdeServerProc(
}
utilString = (char *) DdeAccessData(hData, &dlen);
- len = dlen;
- if (len && !utilString[len-1]) {
- len--;
+ uniStr = (Tcl_UniChar *) utilString;
+ if (!dlen) {
+ /* Empty binary array. */
+ ddeObjectPtr = Tcl_NewObj();
+ } else if ((dlen & 1) || uniStr[(dlen>>1)-1]) {
+ /* Cannot be unicode, so assume utf-8 */
+ if (!utilString[dlen-1]) {
+ dlen--;
+ }
+ ddeObjectPtr = Tcl_NewStringObj(utilString, dlen);
+ } else {
+ /* unicode */
+ dlen >>= 1;
+ ddeObjectPtr = Tcl_NewUnicodeObj(uniStr, dlen - 1);
}
- ddeObjectPtr = Tcl_NewStringObj(utilString, len);
Tcl_IncrRefCount(ddeObjectPtr);
DdeUnaccessData(hData);
if (convPtr->returnPackagePtr != NULL) {
@@ -966,7 +981,6 @@ DdeClientWindowProc(
WPARAM wParam,
LPARAM lParam) /* (Potentially) our local handle */
{
-
switch (uMsg) {
case WM_CREATE: {
LPCREATESTRUCT lpcs = (LPCREATESTRUCT) lParam;
@@ -982,7 +996,6 @@ DdeClientWindowProc(
}
case WM_DDE_ACK:
return DdeServicesOnAck(hwnd, wParam, lParam);
- break;
default:
return DefWindowProc(hwnd, uMsg, wParam, lParam);
}
@@ -1174,9 +1187,8 @@ DdeObjCmd(
"-binary", NULL
};
- int index, i, length;
- int async = 0, binary = 0, exact = 0;
- int result = TCL_OK, firstArg = 0;
+ int index, i, length, argIndex;
+ int flags = 0, result = TCL_OK, firstArg = 0;
HSZ ddeService = NULL, ddeTopic = NULL, ddeItem = NULL, ddeCookie = NULL;
HDDEDATA ddeData = NULL, ddeItemData = NULL, ddeReturn;
HCONV hConv = NULL;
@@ -1201,7 +1213,6 @@ DdeObjCmd(
switch ((enum DdeSubcommands) index) {
case DDE_SERVERNAME:
for (i = 2; i < objc; i++) {
- int argIndex;
if (Tcl_GetIndexFromObj(interp, objv[i], ddeSrvOptions,
"option", 0, &argIndex) != TCL_OK) {
/*
@@ -1216,7 +1227,7 @@ DdeObjCmd(
break;
}
if (argIndex == DDE_SERVERNAME_EXACT) {
- exact = 1;
+ flags |= DDE_FLAG_FORCE;
} else if (argIndex == DDE_SERVERNAME_HANDLER) {
if ((objc - i) == 1) { /* return current handler */
RegisteredInterp *riPtr = DdeGetRegistrationPtr(interp);
@@ -1249,10 +1260,9 @@ DdeObjCmd(
firstArg = 2;
break;
} else if (objc == 6) {
- int dummy;
if (Tcl_GetIndexFromObj(NULL, objv[2], ddeExecOptions, "option", 0,
- &dummy) == TCL_OK) {
- async = 1;
+ &argIndex) == TCL_OK) {
+ flags |= DDE_FLAG_ASYNC;
firstArg = 3;
break;
}
@@ -1277,7 +1287,7 @@ DdeObjCmd(
int dummy;
if (Tcl_GetIndexFromObj(NULL, objv[2], ddeReqOptions, "option", 0,
&dummy) == TCL_OK) {
- binary = 1;
+ flags |= DDE_FLAG_BINARY;
firstArg = 3;
break;
}
@@ -1303,15 +1313,13 @@ DdeObjCmd(
Tcl_WrongNumArgs(interp, 2, objv, "?-async? serviceName args");
return TCL_ERROR;
} else {
- int dummy;
-
firstArg = 2;
if (Tcl_GetIndexFromObj(NULL, objv[2], ddeExecOptions, "option",
- 0, &dummy) == TCL_OK) {
+ 0, &argIndex) == TCL_OK) {
if (objc < 5) {
goto wrongDdeEvalArgs;
}
- async = 1;
+ flags |= DDE_FLAG_ASYNC;
firstArg++;
}
break;
@@ -1345,7 +1353,7 @@ DdeObjCmd(
switch ((enum DdeSubcommands) index) {
case DDE_SERVERNAME:
- serviceName = DdeSetServerName(interp, serviceName, exact,
+ serviceName = DdeSetServerName(interp, serviceName, flags,
handlerPtr);
if (serviceName != NULL) {
Tcl_SetObjResult(interp, Tcl_NewStringObj(serviceName, -1));
@@ -1378,7 +1386,7 @@ DdeObjCmd(
ddeData = DdeCreateDataHandle(ddeInstance, dataString,
(DWORD) dataLength+1, 0, 0, CF_TEXT, 0);
if (ddeData != NULL) {
- if (async) {
+ if (flags & DDE_FLAG_ASYNC) {
DdeClientTransaction((LPBYTE) ddeData, 0xFFFFFFFF, hConv, 0,
CF_TEXT, XTYP_EXECUTE, TIMEOUT_ASYNC, &ddeResult);
DdeAbandonTransaction(ddeInstance, hConv, ddeResult);
@@ -1428,9 +1436,9 @@ DdeObjCmd(
DWORD tmp;
const char *dataString = (const char *) DdeAccessData(ddeData, &tmp);
- if (binary) {
- returnObjPtr = Tcl_NewByteArrayObj((BYTE *) dataString,
- (int) tmp);
+ if (flags & DDE_FLAG_BINARY) {
+ returnObjPtr =
+ Tcl_NewByteArrayObj((BYTE *) dataString, (int) tmp);
} else {
if (tmp && !dataString[tmp-1]) {
--tmp;
@@ -1504,8 +1512,8 @@ DdeObjCmd(
goto cleanup;
}
- objc -= (async + 3);
- objv += (async + 3);
+ objc -= firstArg + 1;
+ objv += firstArg + 1;
/*
* See if the target interpreter is local. If so, execute the command
@@ -1620,7 +1628,7 @@ DdeObjCmd(
ddeItemData = DdeCreateDataHandle(ddeInstance,
(BYTE *) string, (DWORD) length+1, 0, 0, CF_TEXT, 0);
- if (async) {
+ if (flags & DDE_FLAG_ASYNC) {
ddeData = DdeClientTransaction((LPBYTE) ddeItemData,
0xFFFFFFFF, hConv, 0,
CF_TEXT, XTYP_EXECUTE, TIMEOUT_ASYNC, &ddeResult);
@@ -1644,7 +1652,7 @@ DdeObjCmd(
result = TCL_ERROR;
}
- if (async == 0) {
+ if (!(flags & DDE_FLAG_ASYNC)) {
Tcl_Obj *resultPtr;
/*