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: ./CppStdStrncatExample1/CppStdStrncatExample1.pro


TEMPLATE = app

CONFIG += console

CONFIG -= app_bundle

CONFIG -= qt



SOURCES += main.cpp

./CppStdStrncatExample1/main.cpp


#include <cstring>

#include <iostream>



int main()

{

  const char a[] = "X";

  const char b[] = "0123456789";



  const int sz = std::strlen(b) + 1; //Show both empty and complete string

  for (int i=0; i!=sz; ++i)

  {

    char * c = new char[ std::strlen(a) + i + 1 ]; //+1 for null terminator

    std::strcpy(c,a);

    std::strncat(c,b,i);

    std::cout << c << '\n';

  }

}



/* Screen output:



X

X0

X01

X012

X0123

X01234

X012345

X0123456

X01234567

X012345678

X0123456789

Press <RETURN> to close this window...



*/

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(C++) StdStrncatExample1

Technical facts

Qt project file: ./CppStdStrncatExample1/CppStdStrncatExample1.pro

./CppStdStrncatExample1/main.cpp