Re: sscanf with CString

From:

"AliR $VC++ MVP$" <AliR@online.nospam>

Newsgroups:

microsoft.public.vc.mfc

Date:

Tue, 20 Mar 2007 18:21:30 GMT

Message-ID:

<KCVLh.8623$yW.8400@newssvr11.news.prodigy.net>

My bad, I realized that once I reread the post.

AliR.

"Joseph M. Newcomer" <newcomer@flounder.com> wrote in message
news:o56003pckfpm7ssep2f2t5jdblsgerlt1u@4ax.com...

Since the OP didn't explain how it gets populated, I assumed from the
example code that it
was a CString that had the data already in it.
joe

On Tue, 20 Mar 2007 15:29:04 GMT, "AliR $VC++ MVP$" <AliR@online.nospam>
wrote:

It's not std::string that replaces does the work. It is the >> operator of
istream that does the trick.

One question about joe's example how does m_recBuff get populated?

AliR.

"Tom Serface" <tom.nospam@camaswood.com> wrote in message
news:OPgYIDwaHHA.1220@TK2MSFTNGP03.phx.gbl...

Hi Norbert,

I haven't used std::string much. Can you explain how this does the same
thing as the sscanf or what Joe posted. I'm sure there is some good
juju
in there somewhere, but I don't see it.

Thanks,

Tom

"Norbert Unterberg" <nunterberg@newsgroups.nospam> wrote in message
news:eANXUAtaHHA.4832@TK2MSFTNGP02.phx.gbl...

Joseph M. Newcomer schrieb:

The correct usage would be

CString strUserName;
CString strPassword;
m_recBuff.Trim(); // remove leading and trailing space
int n = m_recvBuff.Find(_T(" "));
if(n < 0)
   { /* no space */
    strUserName = m_recvBuff;
  } /* no space */
else
   { /* has space */
    strUserName = m_recvBuff.Left(n);
    strPassword = m_recvBuff.Mid(n + 1);
    strPassword.Trim();
   } /* has space */

This looks quite complex.

How about something like this:

#include <istream>
std::istringstream in(recvBuff);
std::string username, password;
in >> username >> password;

Norbert

Joseph M. Newcomer [MVP]
email: newcomer@flounder.com
Web: http://www.flounder.com
MVP Tips: http://www.flounder.com/mvp_tips.htm