diff options
Diffstat (limited to 'win/tclWinDde.c')
-rw-r--r-- | win/tclWinDde.c | 238 |
1 files changed, 149 insertions, 89 deletions
diff --git a/win/tclWinDde.c b/win/tclWinDde.c index 5543732..d3c9b85 100644 --- a/win/tclWinDde.c +++ b/win/tclWinDde.c @@ -10,10 +10,20 @@ * this file, and for a DISCLAIMER OF ALL WARRANTIES. */ +#undef STATIC_BUILD +#undef USE_TCL_STUBS +#define USE_TCL_STUBS +#undef UNICODE +#undef _UNICODE #include "tclInt.h" #include <dde.h> #include <ddeml.h> +#ifndef UNICODE +# undef CP_WINUNICODE +# define CP_WINUNICODE CP_WINANSI +#endif + /* * TCL_STORAGE_CLASS is set unconditionally to DLLEXPORT because the Dde_Init * declaration is in the source file itself, which is only accessed when we @@ -33,7 +43,7 @@ typedef struct RegisteredInterp { struct RegisteredInterp *nextPtr; /* The next interp this application knows * about. */ - char *name; /* Interpreter's name (malloc-ed). */ + TCHAR *name; /* Interpreter's name (malloc-ed). */ Tcl_Obj *handlerPtr; /* The server handler command */ Tcl_Interp *interp; /* The interpreter attached to this name. */ } RegisteredInterp; @@ -78,10 +88,10 @@ static DWORD ddeInstance; /* The application instance handle given to us * by DdeInitialize. */ static int ddeIsServer = 0; -#define TCL_DDE_VERSION "1.3.3" +#define TCL_DDE_VERSION "1.4.0" #define TCL_DDE_PACKAGE_NAME "dde" -#define TCL_DDE_SERVICE_NAME "TclEval" -#define TCL_DDE_EXECUTE_RESULT "$TCLEVAL$EXECUTE$RESULT" +#define TCL_DDE_SERVICE_NAME TEXT("TclEval") +#define TCL_DDE_EXECUTE_RESULT TEXT("$TCLEVAL$EXECUTE$RESULT") #define DDE_FLAG_ASYNC 1 #define DDE_FLAG_BINARY 2 @@ -100,7 +110,7 @@ static BOOL CALLBACK DdeEnumWindowsCallback(HWND hwndTarget, LPARAM lParam); static void DdeExitProc(ClientData clientData); static int DdeGetServicesList(Tcl_Interp *interp, - const char *serviceName, const char *topicName); + const TCHAR *serviceName, const TCHAR *topicName); static HDDEDATA CALLBACK DdeServerProc(UINT uType, UINT uFmt, HCONV hConv, HSZ ddeTopic, HSZ ddeItem, HDDEDATA hData, DWORD dwData1, DWORD dwData2); @@ -110,7 +120,7 @@ static void DeleteProc(ClientData clientData); static Tcl_Obj * ExecuteRemoteObject(RegisteredInterp *riPtr, Tcl_Obj *ddeObjectPtr); static int MakeDdeConnection(Tcl_Interp *interp, - const char *name, HCONV *ddeConvPtr); + const TCHAR *name, HCONV *ddeConvPtr); static void SetDdeError(Tcl_Interp *interp); static int DdeObjCmd(ClientData clientData, Tcl_Interp *interp, int objc, @@ -263,10 +273,10 @@ Initialize(void) *---------------------------------------------------------------------- */ -static const char * +static const TCHAR * DdeSetServerName( Tcl_Interp *interp, - const char *name, /* The name that will be used to refer to the + const TCHAR *name, /* The name that will be used to refer to the * interpreter in later "send" commands. Must * be globally unique. */ int flags, /* DDE_FLAG_FORCE or 0 */ @@ -276,7 +286,7 @@ DdeSetServerName( int suffix, offset; RegisteredInterp *riPtr, *prevPtr; Tcl_DString dString; - const char *actualName; + const TCHAR *actualName; Tcl_Obj *srvListPtr = NULL, **srvPtrPtr = NULL; int n, srvCount = 0, lastSuffix, r = TCL_OK; ThreadSpecificData *tsdPtr = TCL_TSD_INIT(&dataKey); @@ -314,7 +324,7 @@ DdeSetServerName( * current interp, but it doesn't have a name. */ - return ""; + return TEXT(""); } /* @@ -369,7 +379,7 @@ DdeSetServerName( Tcl_Obj* namePtr; Tcl_ListObjIndex(interp, srvPtrPtr[n], 1, &namePtr); - if (strcmp(actualName, Tcl_GetString(namePtr)) == 0) { + if (_tcscmp(actualName, Tcl_GetString(namePtr)) == 0) { suffix++; break; } @@ -383,23 +393,23 @@ DdeSetServerName( * We have found a unique name. Now add it to the registry. */ - riPtr = (RegisteredInterp *) ckalloc(sizeof(RegisteredInterp)); + riPtr = ckalloc(sizeof(RegisteredInterp)); riPtr->interp = interp; - riPtr->name = ckalloc((unsigned int) strlen(actualName) + 1); + riPtr->name = ckalloc((_tcslen(actualName) + 1) * sizeof(TCHAR)); riPtr->nextPtr = tsdPtr->interpListPtr; riPtr->handlerPtr = handlerPtr; if (riPtr->handlerPtr != NULL) { Tcl_IncrRefCount(riPtr->handlerPtr); } tsdPtr->interpListPtr = riPtr; - strcpy(riPtr->name, actualName); + _tcscpy(riPtr->name, actualName); if (Tcl_IsSafe(interp)) { Tcl_ExposeCommand(interp, "dde", "dde"); } Tcl_CreateObjCommand(interp, "dde", DdeObjCmd, - (ClientData) riPtr, DeleteProc); + riPtr, DeleteProc); if (Tcl_IsSafe(interp)) { Tcl_HideCommand(interp, "dde", "dde"); } @@ -528,6 +538,7 @@ ExecuteRemoteObject( Tcl_SetObjResult(riPtr->interp, Tcl_NewStringObj("permission denied: " "a handler procedure must be defined for use in a safe " "interp", -1)); + Tcl_SetErrorCode(riPtr->interp, "TCL", "DDE", "SECURITY_CHECK", NULL); result = TCL_ERROR; } @@ -607,7 +618,7 @@ DdeServerProc( Tcl_DString dString; int len; DWORD dlen; - char *utilString; + TCHAR *utilString; Tcl_Obj *ddeObjectPtr; HDDEDATA ddeReturn = NULL; RegisteredInterp *riPtr; @@ -623,14 +634,14 @@ DdeServerProc( len = DdeQueryString(ddeInstance, ddeTopic, NULL, 0, 0); Tcl_DStringInit(&dString); - Tcl_DStringSetLength(&dString, len); - utilString = Tcl_DStringValue(&dString); + Tcl_DStringSetLength(&dString, (len + 1) * sizeof(TCHAR) - 1); + utilString = (TCHAR *) Tcl_DStringValue(&dString); DdeQueryString(ddeInstance, ddeTopic, utilString, (DWORD) len + 1, - CP_WINANSI); + CP_WINUNICODE); for (riPtr = tsdPtr->interpListPtr; riPtr != NULL; riPtr = riPtr->nextPtr) { - if (stricmp(utilString, riPtr->name) == 0) { + if (_tcsicmp(utilString, riPtr->name) == 0) { Tcl_DStringFree(&dString); return (HDDEDATA) TRUE; } @@ -648,14 +659,14 @@ DdeServerProc( len = DdeQueryString(ddeInstance, ddeTopic, NULL, 0, 0); Tcl_DStringInit(&dString); - Tcl_DStringSetLength(&dString, len); - utilString = Tcl_DStringValue(&dString); + Tcl_DStringSetLength(&dString, (len + 1) * sizeof(TCHAR) - 1); + utilString = (TCHAR *) Tcl_DStringValue(&dString); DdeQueryString(ddeInstance, ddeTopic, utilString, (DWORD) len + 1, - CP_WINANSI); + CP_WINUNICODE); for (riPtr = tsdPtr->interpListPtr; riPtr != NULL; riPtr = riPtr->nextPtr) { - if (stricmp(riPtr->name, utilString) == 0) { - convPtr = (Conversation *) ckalloc(sizeof(Conversation)); + if (_tcsicmp(riPtr->name, utilString) == 0) { + convPtr = ckalloc(sizeof(Conversation)); convPtr->nextPtr = tsdPtr->currentConversations; convPtr->returnPackagePtr = NULL; convPtr->hConv = hConv; @@ -685,7 +696,7 @@ DdeServerProc( if (convPtr->returnPackagePtr != NULL) { Tcl_DecrRefCount(convPtr->returnPackagePtr); } - ckfree((char *) convPtr); + ckfree(convPtr); break; } } @@ -713,13 +724,13 @@ DdeServerProc( if (convPtr != NULL) { char *returnString; - len = DdeQueryString(ddeInstance, ddeItem, NULL, 0, CP_WINANSI); + len = DdeQueryString(ddeInstance, ddeItem, NULL, 0, CP_WINUNICODE); Tcl_DStringInit(&dString); - Tcl_DStringSetLength(&dString, len); - utilString = Tcl_DStringValue(&dString); + Tcl_DStringSetLength(&dString, (len + 1) * sizeof(TCHAR) - 1); + utilString = (TCHAR *) Tcl_DStringValue(&dString); DdeQueryString(ddeInstance, ddeItem, utilString, (DWORD) len + 1, - CP_WINANSI); - if (stricmp(utilString, TCL_DDE_EXECUTE_RESULT) == 0) { + CP_WINUNICODE); + if (_tcsicmp(utilString, TCL_DDE_EXECUTE_RESULT) == 0) { if (uFmt == CF_TEXT) { returnString = Tcl_GetStringFromObj(convPtr->returnPackagePtr, &len); @@ -778,7 +789,7 @@ DdeServerProc( return (HDDEDATA) DDE_FNOTPROCESSED; } - utilString = (char *) DdeAccessData(hData, &dlen); + utilString = (TCHAR *) DdeAccessData(hData, &dlen); uniStr = (Tcl_UniChar *) utilString; if (!dlen) { /* Empty binary array. */ @@ -845,9 +856,9 @@ DdeServerProc( for (i = 0, riPtr = tsdPtr->interpListPtr; i < numItems; i++, riPtr = riPtr->nextPtr) { returnPtr[i].hszSvc = DdeCreateStringHandle(ddeInstance, - TCL_DDE_SERVICE_NAME, CP_WINANSI); + TCL_DDE_SERVICE_NAME, CP_WINUNICODE); returnPtr[i].hszTopic = DdeCreateStringHandle(ddeInstance, - riPtr->name, CP_WINANSI); + riPtr->name, CP_WINUNICODE); } returnPtr[i].hszSvc = NULL; returnPtr[i].hszTopic = NULL; @@ -905,7 +916,7 @@ DdeExitProc( static int MakeDdeConnection( Tcl_Interp *interp, /* Used to report errors. */ - const char *name, /* The connection to use. */ + const TCHAR *name, /* The connection to use. */ HCONV *ddeConvPtr) { HSZ ddeTopic, ddeService; @@ -922,6 +933,7 @@ MakeDdeConnection( if (interp != NULL) { Tcl_AppendResult(interp, "no registered server named \"", name, "\"", NULL); + Tcl_SetErrorCode(interp, "TCL", "DDE", "NO_SERVER", NULL); } return TCL_ERROR; } @@ -955,8 +967,8 @@ DdeCreateClient( struct DdeEnumServices *es) { WNDCLASSEX wc; - static const char *szDdeClientClassName = "TclEval client class"; - static const char *szDdeClientWindowName = "TclEval client window"; + static const TCHAR *szDdeClientClassName = TEXT("TclEval client class"); + static const TCHAR *szDdeClientWindowName = TEXT("TclEval client window"); memset(&wc, 0, sizeof(wc)); wc.cbSize = sizeof(wc); @@ -1011,7 +1023,7 @@ DdeServicesOnAck( ATOM service = (ATOM)LOWORD(lParam); ATOM topic = (ATOM)HIWORD(lParam); struct DdeEnumServices *es; - char sz[255]; + TCHAR sz[255]; #ifdef _WIN64 es = (struct DdeEnumServices *) GetWindowLongPtr(hwnd, GWLP_USERDATA); @@ -1074,8 +1086,8 @@ DdeEnumWindowsCallback( static int DdeGetServicesList( Tcl_Interp *interp, - const char *serviceName, - const char *topicName) + const TCHAR *serviceName, + const TCHAR *topicName) { struct DdeEnumServices es; @@ -1122,25 +1134,30 @@ static void SetDdeError( Tcl_Interp *interp) /* The interp to put the message in. */ { - const char *errorMessage; + const char *errorMessage, *errorCode; switch (DdeGetLastError(ddeInstance)) { case DMLERR_DATAACKTIMEOUT: case DMLERR_EXECACKTIMEOUT: case DMLERR_POKEACKTIMEOUT: errorMessage = "remote interpreter did not respond"; + errorCode = "TIMEOUT"; break; case DMLERR_BUSY: errorMessage = "remote server is busy"; + errorCode = "BUSY"; break; case DMLERR_NOTPROCESSED: errorMessage = "remote server cannot handle this command"; + errorCode = "NOCANDO"; break; default: errorMessage = "dde command failed"; + errorCode = "FAILED"; } Tcl_SetObjResult(interp, Tcl_NewStringObj(errorMessage, -1)); + Tcl_SetErrorCode(interp, "TCL", "DDE", errorCode, NULL); } /* @@ -1167,23 +1184,29 @@ DdeObjCmd( int objc, /* Number of arguments */ Tcl_Obj *const *objv) /* The arguments */ { - static const char *ddeCommands[] = { + static const char *const ddeCommands[] = { "servername", "execute", "poke", "request", "services", "eval", (char *) NULL}; enum DdeSubcommands { DDE_SERVERNAME, DDE_EXECUTE, DDE_POKE, DDE_REQUEST, DDE_SERVICES, DDE_EVAL }; - static const char *ddeSrvOptions[] = { + static const char *const ddeSrvOptions[] = { "-force", "-handler", "--", NULL }; enum DdeSrvOptions { DDE_SERVERNAME_EXACT, DDE_SERVERNAME_HANDLER, DDE_SERVERNAME_LAST, }; - static const char *ddeExecOptions[] = { + static const char *const ddeExecOptions[] = { + "-async", "-binary", NULL + }; + enum DdeExecOptions { + DDE_EXEC_ASYNC, DDE_EXEC_BINARY + }; + static const char *const ddeEvalOptions[] = { "-async", NULL }; - static const char *ddeReqOptions[] = { + static const char *const ddeReqOptions[] = { "-binary", NULL }; @@ -1192,7 +1215,8 @@ DdeObjCmd( HSZ ddeService = NULL, ddeTopic = NULL, ddeItem = NULL, ddeCookie = NULL; HDDEDATA ddeData = NULL, ddeItemData = NULL, ddeReturn; HCONV hConv = NULL; - const char *serviceName = NULL, *topicName = NULL, *string; + const TCHAR *serviceName = NULL, *topicName = NULL; + const char *string; DWORD ddeResult; Tcl_Obj *objPtr, *handlerPtr = NULL; @@ -1259,38 +1283,53 @@ DdeObjCmd( if (objc == 5) { firstArg = 2; break; - } else if (objc == 6) { - if (Tcl_GetIndexFromObj(NULL, objv[2], ddeExecOptions, "option", 0, - &argIndex) == TCL_OK) { - flags |= DDE_FLAG_ASYNC; - firstArg = 3; - break; + } else if (objc >= 6 && objc <= 7) { + firstArg = objc - 3; + for (i = 2; i < firstArg; i++) { + if (Tcl_GetIndexFromObj(interp, objv[i], ddeExecOptions, + "option", 0, &argIndex) != TCL_OK) { + goto wrongDdeExecuteArgs; + } + if (argIndex == DDE_EXEC_ASYNC) { + flags |= DDE_FLAG_ASYNC; + } else { + flags |= DDE_FLAG_BINARY; + } } + break; } /* otherwise... */ + wrongDdeExecuteArgs: Tcl_WrongNumArgs(interp, 2, objv, - "?-async? serviceName topicName value"); + "?-async? ?-binary? serviceName topicName value"); return TCL_ERROR; case DDE_POKE: - if (objc != 6) { - Tcl_WrongNumArgs(interp, 2, objv, - "serviceName topicName item value"); - return TCL_ERROR; + if (objc == 6) { + firstArg = 2; + break; + } else if ((objc == 7) && (Tcl_GetIndexFromObj(NULL, objv[2], + ddeReqOptions, "option", 0, &argIndex) == TCL_OK)) { + flags |= DDE_FLAG_BINARY; + firstArg = 3; + break; } - firstArg = 2; - break; + + /* + * Otherwise... + */ + + Tcl_WrongNumArgs(interp, 2, objv, + "?-binary? serviceName topicName item value"); + return TCL_ERROR; case DDE_REQUEST: if (objc == 5) { firstArg = 2; break; - } else if (objc == 6) { - int dummy; - if (Tcl_GetIndexFromObj(NULL, objv[2], ddeReqOptions, "option", 0, - &dummy) == TCL_OK) { - flags |= DDE_FLAG_BINARY; - firstArg = 3; - break; - } + } else if ((objc == 6) && (Tcl_GetIndexFromObj(NULL, objv[2], + ddeReqOptions, "option", 0, &argIndex) == TCL_OK)) { + flags |= DDE_FLAG_BINARY; + firstArg = 3; + break; } /* @@ -1314,7 +1353,7 @@ DdeObjCmd( return TCL_ERROR; } else { firstArg = 2; - if (Tcl_GetIndexFromObj(NULL, objv[2], ddeExecOptions, "option", + if (Tcl_GetIndexFromObj(NULL, objv[2], ddeEvalOptions, "option", 0, &argIndex) == TCL_OK) { if (objc < 5) { goto wrongDdeEvalArgs; @@ -1338,7 +1377,7 @@ DdeObjCmd( serviceName = NULL; } else if ((index != DDE_SERVERNAME) && (index != DDE_EVAL)) { ddeService = DdeCreateStringHandle(ddeInstance, (void *) serviceName, - CP_WINANSI); + CP_WINUNICODE); } if ((index != DDE_SERVERNAME) && (index != DDE_EVAL)) { @@ -1347,7 +1386,7 @@ DdeObjCmd( topicName = NULL; } else { ddeTopic = DdeCreateStringHandle(ddeInstance, (void *) topicName, - CP_WINANSI); + CP_WINUNICODE); } } @@ -1364,12 +1403,21 @@ DdeObjCmd( case DDE_EXECUTE: { int dataLength; - BYTE *dataString = (BYTE *) Tcl_GetStringFromObj( - objv[firstArg + 2], &dataLength); + BYTE *dataString; - if (dataLength == 0) { + if (flags & DDE_FLAG_BINARY) { + dataString = (BYTE *) + Tcl_GetByteArrayFromObj(objv[firstArg + 2], &dataLength); + } else { + dataString = (BYTE *) + Tcl_GetStringFromObj(objv[firstArg + 2], &dataLength); + dataLength += 1; + } + + if (dataLength <= ((flags & DDE_FLAG_BINARY) ? 0 : sizeof(TCHAR))) { Tcl_SetObjResult(interp, Tcl_NewStringObj("cannot execute null data", -1)); + Tcl_SetErrorCode(interp, "TCL", "DDE", "NULL", NULL); result = TCL_ERROR; break; } @@ -1384,7 +1432,7 @@ DdeObjCmd( } ddeData = DdeCreateDataHandle(ddeInstance, dataString, - (DWORD) dataLength+1, 0, 0, CF_TEXT, 0); + (DWORD) dataLength, 0, 0, CF_TEXT, 0); if (ddeData != NULL) { if (flags & DDE_FLAG_ASYNC) { DdeClientTransaction((LPBYTE) ddeData, 0xFFFFFFFF, hConv, 0, @@ -1412,6 +1460,7 @@ DdeObjCmd( if (length == 0) { Tcl_SetObjResult(interp, Tcl_NewStringObj("cannot request value of null data", -1)); + Tcl_SetErrorCode(interp, "TCL", "DDE", "NULL", NULL); result = TCL_ERROR; goto cleanup; } @@ -1424,8 +1473,8 @@ DdeObjCmd( result = TCL_ERROR; } else { Tcl_Obj *returnObjPtr; - ddeItem = DdeCreateStringHandle(ddeInstance, (void *)itemString, - CP_WINANSI); + ddeItem = DdeCreateStringHandle(ddeInstance, (void *) itemString, + CP_WINUNICODE); if (ddeItem != NULL) { ddeData = DdeClientTransaction(NULL, 0, hConv, ddeItem, CF_TEXT, XTYP_REQUEST, 5000, NULL); @@ -1466,11 +1515,18 @@ DdeObjCmd( if (length == 0) { Tcl_SetObjResult(interp, Tcl_NewStringObj("cannot have a null item", -1)); + Tcl_SetErrorCode(interp, "TCL", "DDE", "NULL", NULL); result = TCL_ERROR; goto cleanup; } - dataString = (BYTE *) Tcl_GetStringFromObj(objv[firstArg + 3], - &length); + if (flags & DDE_FLAG_BINARY) { + dataString = (BYTE *) + Tcl_GetByteArrayFromObj(objv[firstArg + 3], &length); + } else { + dataString = (BYTE *) + Tcl_GetStringFromObj(objv[firstArg + 3], &length); + length += 1; + } hConv = DdeConnect(ddeInstance, ddeService, ddeTopic, NULL); DdeFreeStringHandle(ddeInstance, ddeService); @@ -1481,9 +1537,9 @@ DdeObjCmd( result = TCL_ERROR; } else { ddeItem = DdeCreateStringHandle(ddeInstance, (void *) itemString, - CP_WINANSI); + CP_WINUNICODE); if (ddeItem != NULL) { - ddeData = DdeClientTransaction(dataString, (DWORD) length+1, + ddeData = DdeClientTransaction(dataString, (DWORD) length, hConv, ddeItem, CF_TEXT, XTYP_POKE, 5000, NULL); if (ddeData == NULL) { SetDdeError(interp); @@ -1508,6 +1564,7 @@ DdeObjCmd( if (serviceName == NULL) { Tcl_SetObjResult(interp, Tcl_NewStringObj("invalid service name \"\"", -1)); + Tcl_SetErrorCode(interp, "TCL", "DDE", "NO_SERVER", NULL); result = TCL_ERROR; goto cleanup; } @@ -1526,7 +1583,7 @@ DdeObjCmd( for (riPtr = tsdPtr->interpListPtr; riPtr != NULL; riPtr = riPtr->nextPtr) { - if (stricmp(serviceName, riPtr->name) == 0) { + if (_tcsicmp(serviceName, riPtr->name) == 0) { break; } } @@ -1539,9 +1596,9 @@ DdeObjCmd( * server. */ - Tcl_Preserve((ClientData) riPtr); + Tcl_Preserve(riPtr); sendInterp = riPtr->interp; - Tcl_Preserve((ClientData) sendInterp); + Tcl_Preserve(sendInterp); /* * Don't exchange objects between interps. The target interp would @@ -1555,6 +1612,8 @@ DdeObjCmd( Tcl_SetResult(riPtr->interp, "permission denied: " "a handler procedure must be defined for use in " "a safe interp", TCL_STATIC); + Tcl_SetErrorCode(interp, "TCL", "DDE", "SECURITY_CHECK", + NULL); result = TCL_ERROR; } @@ -1606,8 +1665,8 @@ DdeObjCmd( } Tcl_SetObjResult(interp, Tcl_GetObjResult(sendInterp)); } - Tcl_Release((ClientData) riPtr); - Tcl_Release((ClientData) sendInterp); + Tcl_Release(riPtr); + Tcl_Release(sendInterp); } else { /* * This is a non-local request. Send the script to the server and @@ -1617,8 +1676,8 @@ DdeObjCmd( if (MakeDdeConnection(interp, serviceName, &hConv) != TCL_OK) { invalidServerResponse: Tcl_SetObjResult(interp, - Tcl_NewStringObj("invalid data returned from server", - -1)); + Tcl_NewStringObj("invalid data returned from server", -1)); + Tcl_SetErrorCode(interp, "TCL", "DDE", "BAD_RESPONSE", NULL); result = TCL_ERROR; goto cleanup; } @@ -1639,7 +1698,7 @@ DdeObjCmd( CF_TEXT, XTYP_EXECUTE, 30000, NULL); if (ddeData != 0) { ddeCookie = DdeCreateStringHandle(ddeInstance, - TCL_DDE_EXECUTE_RESULT, CP_WINANSI); + TCL_DDE_EXECUTE_RESULT, CP_WINUNICODE); ddeData = DdeClientTransaction(NULL, 0, hConv, ddeCookie, CF_TEXT, XTYP_REQUEST, 30000, NULL); } @@ -1650,6 +1709,7 @@ DdeObjCmd( if (ddeData == 0) { SetDdeError(interp); result = TCL_ERROR; + goto cleanup; } if (!(flags & DDE_FLAG_ASYNC)) { @@ -1666,7 +1726,7 @@ DdeObjCmd( resultPtr = Tcl_NewObj(); length = DdeGetData(ddeData, NULL, 0, 0); - Tcl_SetObjLength(resultPtr, length); + Tcl_SetObjLength(resultPtr, (length + 1) * sizeof(TCHAR) - 1); string = Tcl_GetString(resultPtr); DdeGetData(ddeData, (BYTE *) string, (DWORD) length, 0); Tcl_SetObjLength(resultPtr, (int) strlen(string)); |