C++ printing char array with string lib

Question

Say I have a char array: Char[3] which contains a,b,c.

What would be the easiest way to print Char as "abc" without using any of the c++ string libraries.

I am trying to overload the << operator so that i can print a class obj that contains a char array back as the original string that the obj was made with.

I am confused as to how to implement the solutions provided.

my word objs can be used like this:

Word.length() returns how long it is Word[XXX] will return whats at index XXX

@SethBattin, Char arrays in C and C++ are typically null-terminated. I took the string referred to as std::string. — Qaz
– Qaz, Commented Oct 26, 2012 at 3:07
@chris Regardless, this operation does not require them. Although simonarame's implementation wisely checks for them anyway, since the objects are constructed from strings. Which should, yes, contain null terminators. :) — Seth Battin
– Seth Battin, Commented Oct 26, 2012 at 3:28

Kerrek SB · Accepted Answer · 2012-10-26 02:39:47Z

2

Try copy:

#include <algorithm>
#include <iterator>
#include <iostream>

char data[3] = { 'a', 'b', 'c' };

std::copy(data, data + sizeof data, std::ostream_iterator<char>(std::cout));

answered Oct 26, 2012 at 2:39

Kerrek SB

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simonarame · Accepted Answer · 2012-10-26 02:59:45Z

0

class OverloadedCharArrayClass {
 public:
  char* chars;

 friend ostream& operator<<(ostream& os, const OverloadedCharArrayClass& charArray){
  int i=0;
  while(charArray.chars[i]!='\0'){
   os<<charArray.chars[i];
   i++;
  }
  return os;
 }
}

answered Oct 26, 2012 at 2:59

simonarame

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