Re: VS2005 C++ Express basic_istream::get(buf, size, delim) bug

From:

"kanze" <kanze@gabi-soft.fr>

Newsgroups:

comp.lang.c++.moderated,microsoft.public.vc.language

Date:

5 Oct 2006 09:34:59 -0400

Message-ID:

<1160041805.690079.34520@k70g2000cwa.googlegroups.com>

Hyman Rosen wrote:

Terry G wrote:

It seems that cin.get(char*, size_t, '\n') "fails" on a blank line.

Yes. See 27.6.1.3/8.

g++ has the same behavior if I strip the carriage returns
from the line ends.

Then g++ must have the input open in binary mode while VC has
it open in text mode. The latter is converting \r\n pairs to
\n before the input routines ever see them.

Or g++ was running under Unix, and obeying Unix conventions.
(As a quality of implementation issue, with the almost
universality of remote mounted filesystems in heterogeneous
networks, I would expect libraries on both Unix and Windows
platforms to support both line termination conventions.)

How do I fix this code, then, without using std::string?

Use cin.getline(char*, size_t, '\n') instead. It will extract the
delimiter but won't store it, relieving you from having to call
ignore.

That doesn't fix it, because it fails if the line is too long.

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