Solved

compare BSTR

Posted on 2000-02-26
7
3,879 Views
Last Modified: 2008-08-26
Hi Folks,

what is your preferred way of comparing BSTRs - this is the only way i know:

int func1(BSTR val)
{
if(!strcmp((char *)val, "true")) return 1;
else return 0;
}

not surprising this doesn't work anyway...

thanks and regards.

0
Comment
Question by:meverest
  • 6
7 Comments
 
LVL 5

Expert Comment

by:Wyn
ID: 2560811


int func1(BSTR val)
{
wchar_t str[]=L"true";
wchar_t* temp=val;
if(!wcscmp(++temp, temp))
return 1;
else return 0;
}
0
 
LVL 5

Expert Comment

by:Wyn
ID: 2560812


0
 
LVL 5

Expert Comment

by:Wyn
ID: 2560831
sorry,many typo:

int func1(BSTR val)
{
wchar_t str[]=L"true";
if(!wcscmp(val,str))
return 1;
else return 0;
}
0
Is Your Active Directory as Secure as You Think?

More than 75% of all records are compromised because of the loss or theft of a privileged credential. Experts have been exploring Active Directory infrastructure to identify key threats and establish best practices for keeping data safe. Attend this month’s webinar to learn more.

 
LVL 5

Expert Comment

by:Wyn
ID: 2560832
sorry,many typo:

int func1(BSTR val)
{
wchar_t str[]=L"true";
if(!wcscmp((wchar_t*)val,str))
return 1;
else return 0;
}
0
 
LVL 5

Accepted Solution

by:
Wyn earned 50 total points
ID: 2560836
hmmm
0
 
LVL 5

Expert Comment

by:Wyn
ID: 2560841
Here code again in case mess you up:)

int func1(BSTR val)
{
wchar_t str[]=L"true";
if(!wcscmp((wchar_t*)val, str))

//or simply use wcscmp((...),L"true")

return 1;
else return 0
}

Regards
W.Yinan
0
 
LVL 37

Author Comment

by:meverest
ID: 2562254
thanks, wcscmp() works fine.
0

Featured Post

Is Your Active Directory as Secure as You Think?

More than 75% of all records are compromised because of the loss or theft of a privileged credential. Experts have been exploring Active Directory infrastructure to identify key threats and establish best practices for keeping data safe. Attend this month’s webinar to learn more.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Suggested Solutions

Written by John Humphreys C++ Threading and the POSIX Library This article will cover the basic information that you need to know in order to make use of the POSIX threading library available for C and C++ on UNIX and most Linux systems.   [s…
C++ Properties One feature missing from standard C++ that you will find in many other Object Oriented Programming languages is something called a Property (http://www.experts-exchange.com/Programming/Languages/CPP/A_3912-Object-Properties-in-C.ht…
The viewer will be introduced to the technique of using vectors in C++. The video will cover how to define a vector, store values in the vector and retrieve data from the values stored in the vector.
The viewer will be introduced to the member functions push_back and pop_back of the vector class. The video will teach the difference between the two as well as how to use each one along with its functionality.

867 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question

Need Help in Real-Time?

Connect with top rated Experts

22 Experts available now in Live!

Get 1:1 Help Now