Technical facts

Operating system(s) or programming environment(s)

Lubuntu 15.04 (vivid)

IDE(s):

Qt Creator 3.1.1

Project type:

Console application

C++ standard:

C++98

Compiler(s):

G++ 4.9.2

Libraries used:

STL: GNU ISO C++ Library, version 4.9.2

Qt project file: ./CppStdStrncpyExample1/CppStdStrncpyExample1.pro


TEMPLATE = app

CONFIG += console

CONFIG -= app_bundle

CONFIG -= qt



SOURCES += main.cpp

./CppStdStrncpyExample1/main.cpp


#include <cassert>

#include <cstring>

#include <iostream>



int main()

{

  const char s[] = "0123456789";



  const int sz = static_cast<int>(std::strlen(s));

  assert(sz == 10);

  for (int i=0; i!=sz + 1; ++i) //+1 because both empty and full string are shown

  {

    char * const t = new char[i + 1]; //+1 for null terminator

    std::strncpy(t,s,i);

    t[i] = '\0';

    std::cout << t << '\n';

    delete[] t;

  }

}



/* Screen output:





0

01

012

0123

01234

012345

0123456

01234567

012345678

0123456789

Press <RETURN> to close this window...



*/

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(C++) StdStrncpyExample1

Technical facts

Qt project file: ./CppStdStrncpyExample1/CppStdStrncpyExample1.pro

./CppStdStrncpyExample1/main.cpp