std::strstream::pcount
From cppreference.com
int pcount()const; | (deprecated in C++98) (removed in C++26) | |
Returns the number of characters that were output in the put area of the associated std::strstreambuf. Effectively calls rdbuf()->pcount().
Contents |
[edit]Parameters
(none)
[edit]Return value
The number of characters in the put area, or zero if nothing was output.
[edit]Example
Run this code
#include <iostream>#include <strstream> int main(){std::strstream dyn;// dynamically-allocated output buffer dyn <<"Test: "<<1.23<<std::ends;std::cout<<"The size of the output is "<< dyn.pcount()<<" and it holds \""<< dyn.str()<<"\"\n"; dyn.freeze(false); char buf[10];std::strstream user(buf, 10);// user-provided output buffer user <<1.23;// note: no std::endsstd::cout.write(buf, user.pcount());std::cout<<'\n';}
Output:
The size of the output is 11 and it holds "Test: 1.23" 1.23
[edit]See also
returns the next pointer minus the beginning pointer in the output sequence: the number of characters written (public member function of std::strstreambuf ) |