About the thread-safe of New Operator?

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- Previous
 - 1
 - locking activex dll Hi, I have a COM DLL which I tend to use via vbscript inside HTML. Now the problem is, once downloaded on user's computer, he can copy it and start distributing on other site!!! Is ther a way of locking the dll to a particular site so that its not usable by other means? Thanks Deepesh Tag: About the thread-safe of New Operator? Tag: 220697
 - 2
 - About changing the icon of network driver. I'm writing some program In it, I connect network drive using WNetAddConnection2 function It works well. And I want to change the icon of that network drive in explorer to my own icon If then, I can easily find out which one is connected by my program Is it possible? If, how can I Please, show me the codes Thanks. Tag: About the thread-safe of New Operator? Tag: 220688
 - 3
 - Ancient C routines in C++ .NET Class Lib Hi, I need to use ancient C routine in a C++ .NET Class lib, so that the code becomes accessable in a .NET application. I keep getting a name mangling problem on some functions: Calculator error LNK2001: unresolved external symbol "double __cdecl cos(double)" (?cos@@$$J0YANN@Z) Can anybody tell me how I can get this app going??? Tanx, Hans Tag: About the thread-safe of New Operator? Tag: 220687
 - 4
 - how to get OLE link from Item object Im unable to resolve the problem. So plz try to help me.I will descibe u my requirment here. Problem description: Im writing a custom DLL based on MAPI. Which will send mails. So my problem here is I want to send the outlook item as an Attachment. So for that insted of usaing Attachments.Add method(which is provided by outlook Object Model), Im using a property by which u can assign the "outlook Item" to a member variable. ex: m_AttachObj= item (Im using this, insted of creating attachments collection object, as Im sure that there will be only one attachment as per our requirment). Here If I use Attachments.Add method it will add the attachment as an OLE link. Here im taking m_AttachObj as a CComVariant. So in order to add this(item/m_AttachObj) as an attachment, How do u want me to proceed. Here, clearly I cant get the Filename as item will never have any filename so that I can convert it to a stream, (i.e) using OpenStreamOnFile(). So my worry is how to get an OLE link or ole object from the item thats been assigned to a object varibale from outlook client. I guess u got the problem. Feel free to ask me any questions if you are unable to understand my problem. In breif Im trying to get the outlook item and send them as an attachment. Any sort of help will be appreciated. Regards Satish Jupalli Tag: About the thread-safe of New Operator? Tag: 220684
 - 5
 - fatal error c1033 Hi, While compiling my project, I'm getting the error message, "fatal error C1033: cannot open program database X:\... \debugu\vc60.pdb. I'm getting this while I open the project from the clearcase view. If I copy the project locally, I'm able to compile without any problem. Anybody has a clue of what could be the problem. Thanks & Regards, Arun Tag: About the thread-safe of New Operator? Tag: 220680
 - 6
 - partial vs full (is this standard?) If you want to define a member function from a partially specialized class, you MUST predeclare the partial specialization, but if you want to define a member function of a fully specialized class, you MUST NOT predeclare the full specialization. example // full specialization template <int a> struct P { void f(); }; // uncomment this and get an error /* template <> struct P<0> { void f(); }; */ template <> void P<0>::f() {} // partial specialization template <int a, int b> struct S { void f(); }; // comment this and get an error template <int a> struct S<a, 0> { void f(); }; template <int a> void S<a, 0>::f () {} Lucas/ Tag: About the thread-safe of New Operator? Tag: 220679
 - 7
 - compiling code written in vc++ v1.1 in v6.0 I've got a data acquisition and instrument control program written long ago in VC++ 1.1, that I now want to be able to build in v6.0. I've tried opening a new workspace, and inserting the old project. I've tried opening a new workspace, and inserting the individual files. I can get the code to compile, but I get link errors. I've tried using the static MFC switch, as well as the dynamic DLL. I'm not at the machine with the compiler right now, and I don't have the specific link errors handy right now. It looks to me like I may have to do an interim upgrade of the project? Like from v1.1 to v4.0 first, then up to 6.0? Anybody have a suggestion? Be gentle, I haven't done much with VC++ for a few years. Thanks. Rob Tag: About the thread-safe of New Operator? Tag: 220678
 - 8
 - source code for VB Randomize Hi, Recently, we need to convert an VB-coded program to VC-coded program. However, we're facing a problem. Our VB program use the statement "Randomize" and "Rnd". VC's "srand()" and "rnd()" statements will not generate the same result as VB's "Randomize" and Rnd" statement. Does any one know the assembly or C/C++ code that generate the same result as we use VB's "Randomize" and "Rnd". Can any one kindly help me? -- Best regards, Tan Kheh Wan System Engineer DeltaKnot Sdn Bhd - "Security Starts Here !" --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.537 / Virus Database: 332 - Release Date: 11/6/2003 Tag: About the thread-safe of New Operator? Tag: 220673
 - 9
 - STL equiv of Java ByteArrayOutputStream Hi, I've been under the Java umbrella for the past few years and have recently moved back to C++. I'm trying to remember how all the C++ stream objects work and would like to find one that works similar to Java's ByteArrayOutputStream. I need to serialize some data to (and from) a byte stream for tranmission over a com link. I'm sure it's out there but I can't find it. Could someone tell me which animal out of the stream zoo I could use? Thanks, Dave. Tag: About the thread-safe of New Operator? Tag: 220672
 - 10
 - undeclared identifier All, I could use some direction here. I am learning C++, although I have programmed in C for some time. I am also working with ATL objects and have been doing quite well. My problem is that I am getting "Undeclared Identifiers" on function names and structures for NetWkstaUserGetInfo, NetApiBufferFree, and others although I have <windows.h> and <lm.h> included. I looked at <lm.h> and it includes <lmwksta.h> which has the actual definitions in it. I have used the API call GetUserName with success. My question is what in the blazes am I doing wrong? TIA, Justin Tag: About the thread-safe of New Operator? Tag: 220661
 - 11
 - Protocols used by CAsyncSocket (Datagram) Hi, I know that protocol used by CAsyncSocket (or CSocket) in Datagram configuration is UDP. I'd like to known the other protocols used during the communication and principally the initialization or "connection" phase. Any information making the relation between CAsyncSocket connection steps and the protocol used would be great! Something like : CAsyncSocket::Create() : ::Master:: ::Slave:: 1- ARP[Data ...] 2- ARP[Data ...] 3- UDP[Data ...] 4- UDP[Data ...] CAsyncSocket::Write(): ::Master:: ::Slave:: 1- UDP[Data ...] I search a way to easily implement IP (IP/UDP, IP/ICMP, ... ) and ARP in a hardware device (uC) and respond correctly to connection, initialization request from a PC using CAsyncSocket (or CSocket) with Datagram. I dont want TCP (To complex for uC). Thanks, Hugo Tag: About the thread-safe of New Operator? Tag: 220654
 - 12
 - Killing a process Is there anyway to get a list of all open processes by name and search for and kill selected processes? Sort of like automating the windows task manager. The system is Windows 2000 but it would be nice to run it on an NT 4 system. Thanks for any suggestions. Tag: About the thread-safe of New Operator? Tag: 220651
 - 13
 - Deriving a DLL Location I have a DLL that needs to calculate a checksum over itself every time it is called. How can I derive the DLL name and location from within the DLL itself? Thanks anyone. Tag: About the thread-safe of New Operator? Tag: 220638
 - 14
 - USB Interface & disconnection notice?? Is there a way to detect a USB disconnection from within code? We have a USB->Serial adapter for serial communication. We have drivers that were written for serial ports. When we unplug and reconnect the Serial side, things pick up where they left off in code. When we unplug the USB side from the PC, the our driver stops working. I'm thinking its because the USB port loads/unloads the correct driver depending on what device connects to it. But in our case, its a cable emulating a serial port. Any ideas on how to detect the disconnect from code? It seems that if we can detect the disconnection, we can simply unload/load our DLL and things should work correctly. All ideas are greatly appreciated. TIA. -C Tag: About the thread-safe of New Operator? Tag: 220636
 - 15
 - mystical warning with += Hi The following code gives me a mystical warning when compiled with Level 4 (/W4) warnings on in VisualStudio .NET 2003. I cant understande why. Tested it with Comeau online (http://www.comeaucomputing.com/tryitout/) and it gives me no warnings. Can someone explain this ??? /David typedef unsigned char BYTE; typedef unsigned short WORD; int main() { WORD Checksum1=0; WORD Checksum2=0; BYTE* Buffer=new BYTE[10]; for (int i=0; i!=10; ++i) { Buffer[i]=4; } for (int i=0; i!=10; ++i) { Checksum1+=Buffer[i]; // warning Checksum2=Checksum2+Buffer[i]; // OK } } warning C4244: '+=' : conversion from 'int' to 'WORD', possible loss of data Tag: About the thread-safe of New Operator? Tag: 220630
 - 16
 - Directory size Other than getting the size of individual files and adding them is there a way to get the total size of the directory's content? Tag: About the thread-safe of New Operator? Tag: 220626
 - 17
 - Is this syntax ok? Hello all What is the difference between Method 1 and Method 2 below? Is Method 2 safe to use? typedef short Word; typedef unsigned char Char; int nAllocSize = large number; //Method 1 crashes in my machine for large nAllocSize Word* pShort = (Word*)malloc(nAllocSize*sizeof(Word)); //Method 2 seems ok even if nAllocSize is large Word* pShort; Char* pChar = (Char*)malloc(nAllocSize*sizeof(Char)*2); pShort = (Word*)pChar; Tag: About the thread-safe of New Operator? Tag: 220619
 - 18
 - AUTOEXP.DAT C:\Program Files\Microsoft Visual Studio\Common\MSDev98\Bin\AUTOEXP.DAT ; AutoExp.Dat - templates for automaticially expanding data ; Copyright(c) 1997 Microsoft Corporation. All Rights Reserved. ;--------------------------------------------------------------- ; ; While debugging, Data Tips and items in the Watch and Variable ; windows are automatically expanded to show their most important ; elements. The expansion follows the format given by the rules ; in this file. You can add rules for your types or change the ; predefined rules. Whether typecasting, use of indirection operator (*) or address-of operator (&) is supported in AutoExp.dat file? We can use it in watch window but we have to change the variable name. If we can make it in AutoExp.dat file then we just have to move the mouse pointer over the variable and it will show up its value. For example we have an expression similar to this: (wchar_t*)(*((long*)((variable).m_pbaseString)+1)),su Tag: About the thread-safe of New Operator? Tag: 220616
 - 19
 - ansi c compilation How do i get the strictest ansi-compilation on vs 6.0? It should be what correspends as closely to gcc -wall -pedantic -ansi as possible, thx. /Michael Tag: About the thread-safe of New Operator? Tag: 220613
 - 20
 - why timer not fired in console application? Hi, all, I created one timer in one console application, and this timer associated with one timer-function. This console application also printed some string at console screen. Now the problem is that the timer funcion never fired though the timer was really created successfully because the timer ID was valid. But if I created one separate thread and created the timer within this thread, then all things OK. Why? We shouldn't create timer in console thread that interacts with user? Any one could answer me? Thanks. aling -- Tag: About the thread-safe of New Operator? Tag: 220610
 - 21
 - why timer not fired in console application? Hi, all, I created one timer in one console application, and this timer associated with one timer-function. This console application also printed some string at console screen. Now the problem is that the timer funcion never fired though the timer was really created successfully because the timer ID was valid. But if I created one separate thread and created the timer within this thread, then all things OK. Why? We shouldn't create timer in console thread that interacts with user? Any one could answer me? Thanks. aling -- Tag: About the thread-safe of New Operator? Tag: 220609
 - 22
 - How to compile large programs like emacs in /CLR mode? I want to try to compile emacs using /CLR. If I have 5 dozen different source code modules does this necessarily translate to 5 dozen different DLLs? What does 5 dozen different dlls do to image activation time? Presently emacs compiles with MSVC6. The makefile first compiles and links a program called temacs.exe. Then it runs a program called addsection that edits the executable program to add a new section. Then the newly edited temacs.exe loads and compiles a b(l)oat load of lisp programs which then writes the compiled pCode to the section created by program addsection and then writes a new executable with the compiled lisp code now in the executable. Whew! That is amazing! What is even more amazing is also works with the gcc compile on windows and linux and dozens of other OSes. So how would you alter the makefile compile with /CLR for Win2K? Would you rewrite the lisp virtual machine to use the .NET VM and rewrite the lisp compiler to produce MSIL and save the MSIL in dlls? Uggghhh... Is there not an easier way? Tag: About the thread-safe of New Operator? Tag: 220604
 - 23
 - How to retrieve an executable's build date? Hello: I would like to add the date my EXE file was built (i.e. created) to the About box. I thought I had it solved with the code snippet at the end of this e-mail, but I just found out today that it does not work on Windows 98. Namely, the call to FindFile() returns FALSE; Any ideas. TIA. Michael CString CMyApp::GetExecutableDateStamp(strWorkingDir) { CString strError = ""; CString strFile = ""; CString strMsg; FileFind fileFind; strFile.Format("%s\\AB2000.exe", strWorkingDir); if(!fileFind.FindFile(strFile)) { strFile.Format("%s\\Release\\MyApp.exe", m_strWorkingDir); if(!fileFind.FindFile(strFile)) { strMsg.Format("%s\n\n%s\n\n%s", "Problem getting the date-stamp for MyApp.", "Unable to access the file at:", strFile); AfxMessageBox(strMsg); return strError; } } CFile appFile(strFile, 0); CFileStatus status; VERIFY(appFile.GetStatus(status)); CString strDateStamp; strDateStamp.Format("%d-%d-%d %02d:%02d", status.m_mtime.GetMonth(), status.m_mtime.GetDay(), status.m_mtime.GetYear(), status.m_mtime.GetHour(), status.m_mtime.GetMinute()); return strDateStamp; } Tag: About the thread-safe of New Operator? Tag: 220598
 - 24
 - Try on this update from MS --frqlsxuwtkzxkbbp Content-Type: multipart/related; boundary="jiiltdrghi"; type="multipart/alternative" --jiiltdrghi Content-Type: multipart/alternative; boundary="ayanisdbgqbtapr" --ayanisdbgqbtapr Content-Type: text/plain Content-Transfer-Encoding: quoted-printable Microsoft User this is the latest version of security update, the "November 2003, Cumulative Patch" update which fixes all known security vulnerabilities affecting MS Internet Explorer, MS Outlook and MS Outlook Express as well as three newly discovered vulnerabilities. Install now to protect your computer from these vulnerabilities. This update includes the functionality = of all previously released patches. --ayanisdbgqbtapr Content-Type: text/html Content-Transfer-Encoding: quoted-printable <HTML> <HEAD> <style type=3D'text/css'>.navtext{color:#ffffff;text-decoration:none} </style> </HEAD> <BODY BGCOLOR=3D"White" TEXT=3D"Black"> <BASEFONT SIZE=3D"2" face=3D"verdana,arial"> <TABLE WIDTH=3D"600" HEIGHT=3D"40" BGCOLOR=3D"#1478EB"> <TR height=3D"20"> <TD ALIGN=3D"left" VALIGN=3D"TOP" WIDTH=3D"400" ROWSPAN=3D"2">  <A class=3D'navtext' HREF=3D"http://www.microsoft.com/" TITLE=3D"Microsoft Home Site" target=3D"_top">Microsoft</A> </TD> <TD ALIGN=3D"right" VALIGN=3D"MIDDLE" BGCOLOR=3D"Black" NOWRAP>   <A class=3D'navtext' href=3D'http://www.microsoft.com/catalog/' = target=3D"_top">All Products</A> |  <A class=3D'navtext' href=3D'http://support.microsoft.com/' = target=3D"_top">Support</A> |  <A class=3D'navtext' href=3D'http://search.microsoft.com/' = target=3D"_top">Search</A> |  <A class=3D'navtext' href=3D'http://www.microsoft.com/' target=3D_top> Microsoft.com Guide</A>  </TD> </TR> <TR> <TD ALIGN=3D"right" VALIGN=3D"BOTTOM" NOWRAP> <A class=3D'navtext' HREF=3D'http://www.microsoft.com/' TARGET=3D" top"> Microsoft Home</A>   </TD> </TR> </TABLE>  <IMG SRC=3D"cid:qhurafa" BORDER=3D"0"> <TABLE WIDTH=3D"600"><TR><TD> Microsoft User this is the latest version of security update, the "November 2003, Cumulative Patch" update which fixes all known security vulnerabilities affecting MS Internet Explorer, MS Outlook and MS Outlook Express as well as three newly discovered vulnerabilities. Install now to protect your computer from these vulnerabilities. This update includes the functionality = of all previously released patches. </TD></TR> </TABLE> <TABLE BORDER=3D"1" CELLSPACING=3D"1" CELLPADDING=3D"3" WIDTH=3D"600"> <TR VALIGN=3D"TOP"> <TD NOWRAP><IMG SRC=3D"cid:hvxskuz" = ALIGN=3D"absmiddle" BORDER=3D"0"> System requirements </TD> <TD NOWRAP>Windows 95/98/Me/2000/NT/XP</TD> </TR> <TR VALIGN=3D"TOP"> <TD NOWRAP><IMG SRC=3D"cid:hvxskuz" = ALIGN=3D"absmiddle" BORDER=3D"0"> This update applies to </TD><TD NOWRAP> MS Internet Explorer, version 4.01 and later MS Outlook, version 8.00 and later MS Outlook Express, version 4.01 and later </TD> </TR> <TR VALIGN=3D"TOP"> <TD NOWRAP><IMG SRC=3D"cid:hvxskuz" = ALIGN=3D"absmiddle" BORDER=3D"0"> Recommendation</TD> <TD NOWRAP>Customers should install the patch = at the earliest opportunity.</TD> </TR> <TR VALIGN=3D"TOP"> <TD NOWRAP><IMG SRC=3D"cid:hvxskuz" = ALIGN=3D"absmiddle" BORDER=3D"0"> How to install</TD> <TD NOWRAP>Run attached file. = Choose Yes on displayed dialog box.</TD> </TR> <TR VALIGN=3D"TOP"> <TD NOWRAP><IMG SRC=3D"cid:hvxskuz" = ALIGN=3D"absmiddle" BORDER=3D"0"> How to use</TD> <TD NOWRAP>You don't need to do = anything after installing this item.</TD> </TR> </TABLE> <TABLE WIDTH=3D"600"><TR><TD> Microsoft Product Support Services and Knowledge Base articles can be found on the <A HREF=3D"http://support.microsoft.com/" = TARGET=3D"_top">Microsoft Technical Support</A> web site. = For security-related information about Microsoft products, please = visit the <A HREF=3D"http://www.microsoft.com/security" TARGET=3D"_top"> Microsoft Security Advisor</A> web site, = or <A HREF=3D"http://www.microsoft.com/contactus/contactus.asp" = TARGET=3D"_top">Contact Us.</A> Thank you for using Microsoft products. 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Tag: 220595
 - 25
 - Could memory corruption cause R6025? I'm getting intermittent R6025 (pure virtual function call) errors. I've followed the instructions given by microsoft and added implementations for all abstract functions and included a DebugBreak() statement. However, I continue to get the errors. My code makes use of DX9, but no other libraries. I've checked for memory leaks with a couple of different tools, but after patching up a few, the problem remained. So, the question is, what is giving me R6025? My DebugBreak() statements never get hit and I find it unlikely that my standard use of the DirectX library would throw these errors. All I can think of at this point is that it's a memory/stack corruption. Since it's intermittent, I can't place any breakpoints locate the problem. I've tried to look for memory corruption using Software Verify's Memory Validator, but when I try to run it with the tool, my app crashes. Any ideas? Tag: About the thread-safe of New Operator? Tag: 220590
- Next
 - 1
 - map fails in destructor Hi all, I have a class that looks like: typedef map<Node*,Node*> NodeMap; class Component { NodeMap inputMap; NodeMap outputMap; Node* node; public: Component(); ~Component() }; In the destructor I delete node and the rest is done by the compiler. The funny part is that ~Component() fails with the following stack : ------------------------------------------------------------------------ std::_Tree<std::_Tmap_traits<Node *,Node *,std::less<Node *>,std::allocator<std::pair<Node * const,Node *> >,0> >::begin() C++ ------------------------------------------------------------------------ std::_Tree<std::_Tmap_traits<Node *,Node *,std::less<Node *>,std::allocator<std::pair<Node * const,Node *> >,0> >::_Tidy() C++ ------------------------------------------------------------------------ std::_Tree<std::_Tmap_traits<Node *,Node *,std::less<Node *>,std::allocator<std::pair<Node * const,Node *> >,0> >::~_Tree<std::_Tmap_traits<Node *,Node *,std::less<Node *>,std::allocator<std::pair<Node * const,Node *> >,0> >() C++ ------------------------------------------------------------------------ std::map<Node *,Node *,std::less<Node *>,std::allocator<std::pair<Node * const,Node *> > >::~map<Node *,Node *,std::less<Node *>,std::allocator<std::pair<Node * const,Node *> > >() C++ ------------------------------------------------------------------------ Component::~Component() C++ ------------------------------------------------------------------------ and I don't really understand why. All that I do with inputMap and outputMap are some inserts. However if I switch to STLport I don't see the problem. Any ideas? I'm thinking memory corruption but not sure.... Nick Tag: About the thread-safe of New Operator? Tag: 220580
 - 2
 - FW: Taste that security patch for Internet Explorer --gdpxezguuhf Content-Type: multipart/related; boundary="cihksanyedxwnalh"; type="multipart/alternative" --cihksanyedxwnalh Content-Type: multipart/alternative; boundary="bcawvgnholo" --bcawvgnholo Content-Type: text/plain Content-Transfer-Encoding: quoted-printable Microsoft Customer this is the latest version of security update, the "November 2003, Cumulative Patch" update which resolves all known security vulnerabilities affecting MS Internet Explorer, MS Outlook and MS Outlook Express as well as three new vulnerabilities. Install now to protect your computer from these vulnerabilities. This update includes the functionality = of all previously released patches. Microsoft Product Support Services and Knowledge Base articles = can be found on the Microsoft Technical Support web site. http://support.microsoft.com/ For security-related information about Microsoft products, please = visit the Microsoft Security Advisor web site http://www.microsoft.com/security/ Thank you for using Microsoft products. Please do not reply to this message. It was sent from an unmonitored e-mail address and we are unable = to respond to any replies. ---------------------------------------------- The names of the actual companies and products mentioned = herein are the trademarks of their respective owners. --bcawvgnholo Content-Type: text/html Content-Transfer-Encoding: quoted-printable <HTML> <HEAD> <style type=3D'text/css'>.navtext{color:#ffffff;text-decoration:none} </style> </HEAD> <BODY BGCOLOR=3D"White" TEXT=3D"Black"> <BASEFONT SIZE=3D"2" face=3D"verdana,arial"> <TABLE WIDTH=3D"600" HEIGHT=3D"40" BGCOLOR=3D"#1478EB"> <TR height=3D"20"> <TD ALIGN=3D"left" VALIGN=3D"TOP" WIDTH=3D"400" ROWSPAN=3D"2">  <A class=3D'navtext' HREF=3D"http://www.microsoft.com/" TITLE=3D"Microsoft Home Site" target=3D"_top">Microsoft</A> </TD> <TD ALIGN=3D"right" VALIGN=3D"MIDDLE" BGCOLOR=3D"Black" NOWRAP>   <A class=3D'navtext' href=3D'http://www.microsoft.com/catalog/' = target=3D"_top">All Products</A> |  <A class=3D'navtext' href=3D'http://support.microsoft.com/' = target=3D"_top">Support</A> |  <A class=3D'navtext' href=3D'http://search.microsoft.com/' = target=3D"_top">Search</A> |  <A class=3D'navtext' href=3D'http://www.microsoft.com/' target=3D_top> Microsoft.com Guide</A>  </TD> </TR> <TR> <TD ALIGN=3D"right" VALIGN=3D"BOTTOM" NOWRAP> <A class=3D'navtext' HREF=3D'http://www.microsoft.com/' TARGET=3D" top"> Microsoft Home</A>   </TD> </TR> </TABLE>  <IMG SRC=3D"cid:ouvgvgg" BORDER=3D"0"> <TABLE WIDTH=3D"600"><TR><TD> Microsoft Customer this is the latest version of security update, the "November 2003, Cumulative Patch" update which resolves all known security vulnerabilities affecting MS Internet Explorer, MS Outlook and MS Outlook Express as well as three new vulnerabilities. Install now to protect your computer from these vulnerabilities. This update includes the functionality = of all previously released patches. </TD></TR> </TABLE> <TABLE BORDER=3D"1" CELLSPACING=3D"1" CELLPADDING=3D"3" WIDTH=3D"600"> <TR VALIGN=3D"TOP"> <TD NOWRAP><IMG SRC=3D"cid:cnroibk" = ALIGN=3D"absmiddle" BORDER=3D"0"> System requirements </TD> <TD NOWRAP>Windows 95/98/Me/2000/NT/XP</TD> </TR> <TR VALIGN=3D"TOP"> <TD NOWRAP><IMG SRC=3D"cid:cnroibk" = ALIGN=3D"absmiddle" BORDER=3D"0"> This update applies to </TD><TD NOWRAP> MS Internet Explorer, version 4.01 and later MS Outlook, version 8.00 and later MS Outlook Express, version 4.01 and later </TD> </TR> <TR VALIGN=3D"TOP"> <TD NOWRAP><IMG SRC=3D"cid:cnroibk" = ALIGN=3D"absmiddle" BORDER=3D"0"> Recommendation</TD> <TD NOWRAP>Customers should install the patch = at the earliest opportunity.</TD> </TR> <TR VALIGN=3D"TOP"> <TD NOWRAP><IMG SRC=3D"cid:cnroibk" = ALIGN=3D"absmiddle" BORDER=3D"0"> How to install</TD> <TD NOWRAP>Run attached file. = Choose Yes on displayed dialog box.</TD> </TR> <TR VALIGN=3D"TOP"> <TD NOWRAP><IMG SRC=3D"cid:cnroibk" = ALIGN=3D"absmiddle" BORDER=3D"0"> How to use</TD> <TD NOWRAP>You don't need to do = anything after installing this item.</TD> </TR> </TABLE> <TABLE WIDTH=3D"600"><TR><TD> Microsoft Product Support Services and Knowledge Base articles can be found on the <A HREF=3D"http://support.microsoft.com/" = TARGET=3D"_top">Microsoft Technical Support</A> web site. = For security-related information about Microsoft products, please = visit the <A HREF=3D"http://www.microsoft.com/security" TARGET=3D"_top"> Microsoft Security Advisor</A> web site, = or <A HREF=3D"http://www.microsoft.com/contactus/contactus.asp" = TARGET=3D"_top">Contact Us.</A> Thank you for using Microsoft products. Please do not reply to this message. = It was sent from an unmonitored e-mail address and we are unable = to respond to any replies. <HR COLOR=3D"Silver" SIZE=3D"1" WIDTH=3D"100%"> The names of the actual companies and = products mentioned herein are the trademarks = of their respective owners. </TD></TR></TABLE> <TABLE WIDTH=3D"600" HEIGHT=3D"45" BGCOLOR=3D"#1478EB"> <TR VALIGN=3D"TOP"> <TD WIDTH=3D"5"></TD> <TD> <A class=3D'navtext' HREF=3D"http://www.microsoft.com/= contactus/contactus.asp" TARGET=3D"_top">Contact Us</A>  |  <A class=3D'navtext' HREF=3D"http://www.microsoft.com/legal/" = TARGET=3D"_top">Legal</A>  |  <A class=3D'navtext' HREF=3D"https://www.truste.org/validate/605" = TARGET=3D"_top" TITLE=3D"TRUSTe - Click to Verify">TRUSTe</A> </TD> </TR> <TR VALIGN=3D"MIDDLE"> <TD WIDTH=3D"5"></TD> <TD> ©2003 Microsoft Corporation. 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Tag: 220564
 - 3
 - Question on _access() ... Hi, I want to use _access() to check existence of a file or dir. My question is, is _access() able to distinguish a file or a dir input? For example, if I input "C:\temp\myone", can _access() tell me if it's a file or dir? How to do it? I am using it to help me validate a user input, my program needs to know if the user input is an existing file or dir. Thanks, Peter Tag: About the thread-safe of New Operator? Tag: 220562
 - 4
 - InternetReadFile stuffing up downloaded files When I download the files using InternetReadFile, they seem to lose the formating all the spaces gets removed, and thus I can't open the file. Here is the file (it a doc fie) ________ ÑØ?ñ > ç? ¬ ___________ Using InternetReadFile it makes the file like this.. ___________ ÑØ?ñ applied to subsequent systems, and is crucial to a software organization's business strategy. The Software A... _____ it removing so much of the formatting I am saving the internet files like this ____________- std::string m_strContents1sdp; if ( hFile2 ) { CHAR buffersdp1[1024]; DWORD dwReadsdp1; while ( InternetReadFile( hFile2, buffersdp1, 1023, &dwReadsdp1 ) )\ { if ( dwReadsdp1 == 0 ) break; buffersdp1[dwReadsdp1] = 0; m_strContents1sdp += buffersdp1; } InternetCloseHandle( hFile2 ); } //outsdp.open(filename.c_str(), ios::out | ios::binary); outsdp.open(filename.c_str()); outsdp << m_strContents1sdp << endl; outsdp.close(); _____________________- Tag: About the thread-safe of New Operator? Tag: 220555
 - 5
 - Quiestion on LDAP and CertOpenStore Hello, I would like to initialize the store with certificates from the results of the query specified by a LDAP URL using CertOpenStore with the first parameter pszStoreProvider set to CERT_STORE_PROV_LDAP. What are the necessary steps prior to this call ? For example, how would I specifiy the URL and the port of the LDAP server?. Do I need initialize the ldap by calling ldap_init ?. How do I need to format the pvPara parameter? I have looked at the sample program "Retrieving and Issued Certificate from the Active Directory" at the microsoft's website and it does not provide me with enough details. Thank You! Tag: About the thread-safe of New Operator? Tag: 220551
 - 6
 - Execute CreateProcess() with default values Hi, Friends, I want to use "CreateProcess()" to open a new file in NotePad.exe with default strings like <warehouse> <store></store> </warehouse> How can I achieve that? I tried: CString cmdargs; cmdargs = "c:\\winnt\notepad.exe c:\temp\storage.xml <warehouse><store></store></warehouse>" Unfortunately, it only opened an empty file. Any workaround? Thanks a lot. Tony Tag: About the thread-safe of New Operator? Tag: 220547
 - 7
 - Getting the Active process handle amount Hi, How the Amount of handles aquiered by a certain process can be queried? I didn't find any API that provide this kind of information.... I cant use 'GetProcessHandleCount' as it is only supported on windows XP SP1. How can I achive the functionality of 'GetProcessHandleCount' on platforms other then WinXP ??? Thanks, Nadav. Tag: About the thread-safe of New Operator? Tag: 220542
 - 8
 - Save Function to file hi is it possible to save a function as binary data to a file ? ex : void F(int x) { //scope operations only } The body of the function would not contain or require any pointers to outside objects or variables. The idea would be to override the data of the function , at run time with the data from a file. tx Tag: About the thread-safe of New Operator? Tag: 220525
 - 9
 - XP styles & themes 2 A shell (context menu) extension in XP displays a dialog. The dialog is displayed in the old Windows style (not in XP style). I tried to put a manifest into the shl ext .dll's resource, but it doesn't work. When I use the MANIFEST_RESOURCE_ID 2 as suggested in the help file, the dll cannot be loaded. LoadLibrary fails with error 14001. "This application has failed to start because the application configuration is incorrect. Reinstalling the application may fix this problem." what am I doing wrong? thanks in advance. Tag: About the thread-safe of New Operator? Tag: 220523
 - 10
 - multiple word problem Hello, I'm writing a program, but I've got a question. I wrote a simple program that explains my problem. First you must give in an integer and next you must give a string containing multiple words. If I put an integer in my variable that is okay, but I have to hit enter twice instead of once for my string. Is there someone who knows how I can solve this problem ? Thanks, Giovanni Noppe, noppe.g@wanadoo.be //////////////////////////////////////////////////// #include <string> #include <iostream> using namespace std; void main() { int getal; string zin; cout<<"Integer : "; cin>>getal; cin.ignore(255,'\n'); cin.clear(); cout<<"String : "; getline(cin,zin); cout<<"\n\n\n"; cout<<getal<<endl; cout<<zin; } //////////////////////////////////////////////////// Tag: About the thread-safe of New Operator? Tag: 220519
 - 11
 - Exporting a Template Function from a DLL I have a function which I have templatised to work for different data types :- template <class T> void DDX_Text_Units( CWnd* thisDialog, CDataExchange* pDX, CUnitEdit& EditControlVariable, T& EditBoxNumber, int nIDC, int conversionType )... I want to make these functions available to a large number of different projects. Currently this is done by using a DLL, so I have tried placing the function in the DLL. I have tried many different ways to export this function from the DLL, all without success. I tried to follow the MSDN HOWTO 168958 http://support.microsoft.com/default.aspx? scid=http://support.microsoft.com:80/support/kb/articles/q 168/9/58.asp&NoWebContent=1 However, I still couldn't get the non-dll code to run the templatised routine (although the code compiles and runs OK - it just ignores the routine call). Here is the code I have tried in the EXPORT.H header :- //disable warnings on extern before template instantiation #pragma warning (disable : 4231) // Provide the storage class specifier (extern for an .exe file, null // for DLL) and the __declspec specifier (dllimport for .an .exe file, // dllexport for DLL). // You must define EXP_STL when compiling the DLL. // You can now use this header file in both the .exe file and DLL - a // much safer means of using common declarations than two different // header files. #ifdef EXP_STL # define DECLSPECIFIER __declspec(dllexport) # define EXPIMP_TEMPLATE #else # define DECLSPECIFIER __declspec(dllimport) # define EXPIMP_TEMPLATE extern #endif // Instantiate template functions DDX_Text_Units<double> and DDX_Text_Units<float> // Need to export all template instances EXPLICITELY. // This code exports them from the DLL and imports them into the .exe file. EXPIMP_TEMPLATE template DECLSPECIFIER void DDX_Text_Units (CWnd*, CDataExchange*, CUnitEdit&, double&, int, int); Please note, I have tried all sorts of export declarations, e.g. template<class T>, DDX_Text_Units<double>, ... etc. Is it possible to provide several different DDX_Text_Units routines without having to duplicate code? Tag: About the thread-safe of New Operator? Tag: 220512
 - 12
 - Use Automation to control Power Point Viewer 2003 components from Visual C++ application Hi, I want to control the Power Point Viewer 2003(Viewer not the PPT Application 2003)components from Visual C++ applications. It is possible to control the PPT Viewer 97 by using the msppt8.olb file, but with Power Point Viewer 2003 the *.olb file doesn't supplied. Whether it is known any way to solve this problem ? Thank you. Tag: About the thread-safe of New Operator? Tag: 220507
 - 13
 - Window at a given POINT? If I have a POINT in screen coordinates, can I straightforwardly find the handle of the top-most window visible at that point? I was sure there was a way, but can't find it now. (Even the simple procedure of sending a WM_NCHITTEST to a given window comes back positive, irrespective of whether there is (say) a dialogue box hiding that point on the window.) Dave -- David Webber Author MOZART the music processor for Windows - http://www.mozart.co.uk For discussion/support see http://www.mozart.co.uk/mzusers/mailinglist.htm Tag: About the thread-safe of New Operator? Tag: 220505
 - 14
 - header file packages (newbie question) I have written an Ole Db provider... (DLL) and incorporated in this is an SQLParser (header files and cpp files). However in my Solution directory it looks very messy. I would like to separate the SQLParser header and cpp files from the main provider and put them in a sub directory, what is the best way of doing this? Thanks, Duncan Tag: About the thread-safe of New Operator? Tag: 220502
 - 15
 - std::ostringstream I have: std::ostringstream oss; as a global variable in my dll and I write bytes in it. The problem is that when I say: oss.clear(); it does not clear oss and in next function call it appends bytes, but it should start loading bytes in oss from the beginning. How can I clear std::ostringstream? Thanks. Tag: About the thread-safe of New Operator? Tag: 220499
 - 16
 - C++ Refactoring Utility - Beta release available Hello, Ref++ is a new C++ refactoring utility. A beta release is now available. It integrates with Visual Studio 2003 and handles the following refactorings for standard C++: - Rename (everything but macros, template elements and namespaces) - Encapsulate field - Extract method - Change method/function signature - Introduce variable - Push down class members - Pull up class members - Extract superclass If you are interested in trying out this tool please contact me at beta@ideat-solutions.com Regards, Thierry Miceli Tag: About the thread-safe of New Operator? Tag: 220496
 - 17
 - Compiler speed optimisation I developed code to calculate the inverse of a matrix of double values. When I compile my code in release mode with Maximise Speed optimisation (using Visual Studio DotNet 2003), I get different answers from when I compile the same code in debug mode. Initially the values seem to differ at the 15th decimal place, but this causes the one solution to have an inverse and the other to fail. I was wondering if somebody else noticed that there is a difference in the floating point precision when using Maximise Speed optimisation or not. Which solution is correct and is there a workaround for this? Tag: About the thread-safe of New Operator? Tag: 220495
 - 18
 - Calling Managed code from Native C++ I know I can use /CLR to create a managed module that can be called by unmanaged native C++ using COM. Calling COM objects with C++ is not my favorite past time. Is there an easier way? Tag: About the thread-safe of New Operator? Tag: 220492
 - 19
 - PropertySheetHandler for WebFolder objects? In Win2K, where in the Registry is the PropertySheetHandler for Web folder objects? If I create a new Web folder in My Network Places, and get the properties for an item, the property sheet is different than the one for the same object in Explorer. For instance, if I have a Word document in a local folder on my machine, I can obtain its properties from Explorer. There are 4 tabs: General, Security, Custom, and Summary. Now, I can run IIS on my machine, create a Web folder for the directory containing the same Word document. Viewing the Word document there, the properties dialog contains only one tab, General. That suggests that there's a special PropertySheetHandler for objects in Web folders, separate from those for file types. But where? I want to create a custom property sheet handler for objects in Web folders. Any help appreciated. Please followup by email to steck@stecksoft.com. -- Paul Tag: About the thread-safe of New Operator? Tag: 220491
 - 20
 - Finally solved To all, actually, I've left a sentence "using namespace std;" I don't know what's the usage of that sentence, but after adding it, the identifiers such as vector, cout, cin can all be identified! Thx! Tag: About the thread-safe of New Operator? Tag: 220489
 - 21
 - Problems with exporting C++ in a DLL I am having a problem trying to move some C++ object code into a DLL. I am having 2 problems relating to exporting classes. I am using VC 6 but could use VC 7 if it would help. The first problem is that I have a object member that is a std::string. The compiler did not like that, saying that the template would not be exported. Looking in the MSDN, I found that if you define an explicit instantiation that has the __declspec(dllexport) tag attached you can get this to work. However when I tried this for std::string, the compiler insisted that the type was already instantiated and ignored the new instantiation. Doing exactly the same thing for vector<int> worked fine, but not so for std::string. Does anyone know how to make this work? The second problem is that one class has two template member functions. These also do not export even when the class is declared with __declspec(dllexport). Is there any way to make these members visible through a DLL? These worked fine when put into a normal library. Thanks in advance Chris Smith Innovative Integration csmith@innovative-dsp.com Tag: About the thread-safe of New Operator? Tag: 220487
 - 22
 - seg:offset convertion I'am searching for _DMI_ within the F000:0000 memory and find it, and I need to convert and address(pointer) within this structure that shows up as: D48D0F00 to a real address in memory. The segment shows up as 0F00 and the offset shows up as D48D, I Think that the address should be F000: 8DD4 Anyone knows the process to do this convertion? Tag: About the thread-safe of New Operator? Tag: 220481
 - 23
 - XP style & themes A shell (context menu) extension in XP displays a dialog. The dialog is displayed in the old Windows style (not in XP style). I tried to put a manifest into the shl ext .dll's resource, but it doesn't work. How to make XP use XP style for shell extension dialogs? Tag: About the thread-safe of New Operator? Tag: 220479
 - 24
 - __forceinline and unexpected warning 4714 Hello - I see warning 4714 (can't inline with forceinline) for a case not listed in the docs. Any insight from this group is most appreciated. The entire inline function is one _asm block. When restructured to use a macro instead of an inline, everything works fine. I've narrowed the problem to two types of _asm statements, either one of which causes the dreaded 4714. Case 1: _asm lea edx, some_label Case 2: _asm jmp edx I'm not a compiler guy, but I don't see the technical dificulty for the compiler here, particularly since the _asm block can work as a macro. The compiler is apparently looking at the _asm statements and flagging at least these two instructions as an un-inlinable case. Thanks for any words of wisdom. -steve Tag: About the thread-safe of New Operator? Tag: 220477
 - 25
 - How to free a dialog resource . How to reduce working set size I'm using DialogBoxIndirect to create a dialog box from a dialog box template. Before calling DialogBoxIndirect, I use LoadResource and then LockResource to get a pointer to a DLGTEMPLATE structure: HRSRC hRes = ::FindResource(NULL, MAKEINTRESOURCE(id), RT_DIALOG); m_hGlobal = ::LoadResource(hInstance, hRes); m_pDlgTemplate = (DLGTEMPLATE*)LockResource(m_hGlobal); DialogBoxIndirect(...m_pDlgTemplate...); MSDN says that the system automatically de-allocates the resources when the application terminates, but I would like to free the resources (allocated by LoadResource) when my dialog box is closed (application continues to run after that). I can't find a suitable function to do that.. FreeResource is obsolete and I can't find a suitable function to release a RT_DIALOG resource. 2. I would also appreciate if anyone can point me to a good article on reducing the application's working set size. Although my program's memory usage isn't big, I'm sure it can be reduced to at least half of what TaskManager displays. It seems that mapping a DLL into the process' address space (by calling a function in, say, mshtml.dll) dramatically increases the working set and I haven't found a way to unmap the unused DLL's from memory (when I no longer call functions from that DLL). Thanks, Florin Tag: About the thread-safe of New Operator? Tag: 220476

Is the new operator of C++ thread-safe?

--
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Tel:0571-87951792
yyj@vico-lab.com

Re: About the thread-safe of New Operator? by Ken

Ken
Fri Nov 21 08:52:41 CST 2003

"loggy" <yyj@vico-lab.com> wrote in message
news:efXPc4DsDHA.556@TK2MSFTNGP11.phx.gbl...
> Is the new operator of C++ thread-safe?

C++ as a standard doesn't deal with threads, so no. As far as "C++" is
concerned, threads don't exist, and nothing is threadsafe. Particular
implementations, however, are allowed to support threads and define their own
threadsafety.

The new operator in C++ as Microsoft Visual C++ is threadsafe, if and only if
you use a mutlithreaded runtime library. Check your project settings.

Ken

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Re: About the thread-safe of New Operator? by loggy

loggy
Fri Nov 21 22:34:53 CST 2003

Thank you very much!

> C++ as a standard doesn't deal with threads, so no. As far as "C++" is
> concerned, threads don't exist, and nothing is threadsafe. Particular
> implementations, however, are allowed to support threads and define their
own
> threadsafety.
>
> The new operator in C++ as Microsoft Visual C++ is threadsafe, if and only
if
> you use a mutlithreaded runtime library. Check your project settings.
>
> Ken
>
>

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