cstring to tchar conversion

[Francis K Antony]

i am using encryption in the server and cliient . in that i want to encrypt my data in the server and to decrypt in the client side . to encrypt the data want to convert CSTRING into TCHAR ...

Franics K Antony

[Rajkumar R]

Man, u want to encrypt data i agree, but why u r encrypting the question? What is the issue, can u post the code snippet.

[CPallini]

Rajkumar R wrote:

Oh "My brilliant Brain" !!!

Indeed. But not your, mine. :laugh:

If the Lord God Almighty had consulted me before embarking upon the Creation, I would have recommended something simpler. -- Alfonso the Wise, 13th Century King of Castile.
[my articles]

[Rajkumar R]

yes offcource, "My Brilliant Brain" is a program on National Geographic :-D :laugh: ;P

[CPallini]

So I'm on TV and noone told me. :rolleyes:

If the Lord God Almighty had consulted me before embarking upon the Creation, I would have recommended something simpler. -- Alfonso the Wise, 13th Century King of Castile.
[my articles]

[Rajkumar R]

Rajesh R Subramanian wrote:

but I am not in need of this information.

this is not for ur info and to mispell it, the similarity i meant here is, if the person is forgetting to write ReleaseBuffer, the same can happen in delete, and also between CreateFile-CloseHandle, GetDC-ReleaseDC, lock-unlock, ... It all upto the programmer who should be careful writting a single character of production quality code.

Rajesh R Subramanian wrote:

We may do it, becasue we know it. You can't expect the O.P. to always know it.

ignorance and carelessness will always leads to bugs. I don't think this argument is supportive.

Rajesh R Subramanian wrote:

Also, I've stated several times this is not the best approach

It is not supported by valid statements. I believe this class is not designed by a team of junk fellows, they might have analysed many usecases. Direct use of CString with C-Style API, System API considering performance (while calling ReleaseBuffer CString is updated without need to assign back the editted one) and ease of use...

Rajesh R Subramanian wrote:

I would not recommend the usage of GetBuffer() method for the sake of copying the string content to another TCHAR* .

make no sense, example i have given is tcscpy doesnot mean that it is for the sake of copy. if you meant that getbuffer is making copy FYI it does return pointer without any copy unless the required buffer size is greater, the editted TCHAR data is also not copied back to CString

[Rajkumar R]

wow, error in error statement, Hint in Hint statement. ;P May be this was because the brain-integrated Spell checker cannot spawn when the heavily loaded integrated compiler. :laugh:

[Rajesh R Subramanian]

Rajkumar R wrote:

this is not for ur info and to mispell it, the similarity i meant here is, if the person is forgetting to write ReleaseBuffer, the same can happen in delete, and also between CreateFile-CloseHandle, GetDC-ReleaseDC, lock-unlock, ..

But then the point here is that GetBuffer() is a member function and so people may just call it like that, while they'd generally know that new and delete, etc., go as pairs. But, they may not know it's the case with GetBuffer(). See here[^] for an example. It is up to the programmer to write good quality code, but then someone who's asking how to extract the string out of a CString will definitely need some assistance in writing good quality code. So, I'd always explain the tradeoffs while using something like GetBuffer().

Rajkumar R wrote:

ignorance and carelessness will always leads to bugs. I don't think this argument is supportive.

Again, if I feel that someone may do it in an ignorant way, rather than just providing an answer which may lead him to do somethign in a wrong way, I'd try to correct him when I am answering his query.

Rajkumar R wrote:

if you meant that getbuffer is making copy FYI it does return pointer without any copy unless

Do you even think that I wouldn't know this? This shows that you didn't even understand what I was talking about.

Nobody can give you wiser advice than yourself. - Cicero .·´¯`·->Rajesh<-·´¯`·. Codeproject.com: Visual C++ MVP

[Rajkumar R]

Rajesh R Subramanian wrote:

But then the point here is that GetBuffer() is a member function and so people may just call it like that

Lock is also a member function of CMutex() :)

Rajesh R Subramanian wrote:

Do you even think that ...

that is why i used "if", but i think i pointed what u meant just above that. "hey, use GetBuffer()" by him, doesnot mean simply code without reading doc, he given a hint, he may not like spoon feeding and use bandwidth for explaining which is already explained in doc. however we used bandwidth enough debating. :)

[CPallini]

Actually the brain-integrated Spell checker is Express Edition :-O . :-D

If the Lord God Almighty had consulted me before embarking upon the Creation, I would have recommended something simpler. -- Alfonso the Wise, 13th Century King of Castile.
[my articles]

[Rajesh R Subramanian]

Rajkumar R wrote:

Lock is also a member function of CMutex()

Again, Lock and Unlock goes as one pair always. Even newbies would know it, unlike ReleaseBuffer() after GetBuffer().

Rajkumar R wrote:

however we used bandwidth enough debating.

I think yes.