On Thu, 22 Jan 2015, Joel Sherrill wrote:
I think this is a glibc issue but since this method is defined in the C++
standards, I thought there were plenty of language lawyers here. :)
s/glibc/libstdc++/ and they have their own ML.
<strstream>
That's deprecated, isn't it?
class strstreambuf : public basic_streambuf<char, char_traits<char> >
ISSUE ====> int pcount() const; <===== ISSUE
My reading of the C++03 and draft C++14 says that the int pcount() method
in this class is not const. glibc has it const in the glibc shipped with
Fedora 20
and CentOS 6.
This is a simple test case:
#include <strstream>
int main() {
int (std::strstreambuf::*dummy)() = &std::strstreambuf::pcount;
/*-- pcount is conformant --*/
return 0;
}
What's the consensus?
The exact signature of member functions is not mandated by the standard,
implementations are allowed to make the function const if that works (or
provide both a const and a non-const version). Your code is not guaranteed
to work. Lambdas usually provide a fine workaround.
--
Marc Glisse
