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atom0s
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Posted: Sun Jun 22, 2008 4:56 pm Post subject:

oib111 wrote:

When I try outputting the value I get an error. Here's my code:

Code:

cout<<"User Currently Logged In: "<<*lpBuffer<<"\n\n";

Use the following instead:

Code:

cout << "User currently logged in: " << (LPSTR)lpBuffer << "\n\n";

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DeletedUser14087
I post too much

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Joined: 21 Jun 2006
Posts: 3069

Posted: Mon Jun 23, 2008 5:21 am Post subject:

Wiccaan wrote:

GetUserName:
http://msdn.microsoft.com/en-us/library/ms724432(VS.85).aspx

Using TCHAR:

Code:

#include <windows.h>
#include <lmcons.h> // For UNLEN (As described on MSDN.)
#include <tchar.h>
#include <stdio.h>

int main( int argc, TCHAR* argcv[] )
{
TCHAR tszUser[ UNLEN+1 ];
DWORD dwSize = UNLEN+1;
GetUserName( tszUser, &dwSize );
_tprintf( tszUser );
return 0;
}

Edit: Oib your code wont work as you are trying to output to the pointer not the actual contents. All yours will do is output the pointer to the string.

I did Excalty (almost) like that, but when i ran it it didn't show me anything -.-" i'll try this later thanks.

oib111
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Posted: Mon Jun 23, 2008 5:35 am Post subject:

Code:

char lpBuffer[32767];
DWORD size = 32767;
GetUserName(lpBuffer, &size);
printf(lpBuffer);

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atom0s
Moderator

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Location: 127.0.0.1

Posted: Mon Jun 23, 2008 12:38 pm Post subject:

oib111 wrote:

Code:

char lpBuffer[32767];
DWORD size = 32767;
GetUserName(lpBuffer, &size);
printf(lpBuffer);

It is better to use the defined macros given to you by the system includes for variable sizes for such things as on different versions of Windows, the sizes can change. Different compilers also have different predefined variables such as _WIN32_WINNT. While the default for this is 0x501 on VS2005, the default for it in VS2008 is 0x600.

For this specific API, the param size cannot exceed 32767, but in other cases that could lead to non-working code.
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samuri25404
Grandmaster Cheater

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Joined: 04 May 2007
Posts: 955
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Posted: Mon Jun 23, 2008 6:46 pm Post subject:

Rot1 wrote:

Wiccaan wrote:

GetUserName:
http://msdn.microsoft.com/en-us/library/ms724432(VS.85).aspx

Using TCHAR:

Code:

Edit: Oib your code wont work as you are trying to output to the pointer not the actual contents. All yours will do is output the pointer to the string.

I did Excalty (almost) like that, but when i ran it it didn't show me anything -.-" i'll try this later thanks.

Did you try doing the little

Code:

cin.get();

thing, or whatever, to wait for the user?
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DeletedUser14087
I post too much

Reputation: 2

Joined: 21 Jun 2006
Posts: 3069

Posted: Tue Jun 24, 2008 4:14 am Post subject:

samuri25404 wrote:

Rot1 wrote:

Wiccaan wrote:

GetUserName:
http://msdn.microsoft.com/en-us/library/ms724432(VS.85).aspx

Using TCHAR:

Code:

Edit: Oib your code wont work as you are trying to output to the pointer not the actual contents. All yours will do is output the pointer to the string.

I did Excalty (almost) like that, but when i ran it it didn't show me anything -.-" i'll try this later thanks.

Did you try doing the little

Code:

cin.get();

thing, or whatever, to wait for the user?

nope, what is cin. ? a structure?

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