storing an string in C dynamically

**angelblade27** · 03-10-2006

is there anyway to store a string (which is imputted from the user)
into an array?

**homeyg** · 03-10-2006

Code:

char* cstyle = new char[50];

cin.getline(cstyle, 50);

For next time, please read a tutorial on the C/C++ language before posting questions like this (this is pretty basic stuff).

**MadCow257** · 03-10-2006

This is c++ anyways, so why not use string?

If for whatever reason you needed a c array you can use the c_str() method

**homeyg** · 03-10-2006

He said put a string into an array, not put a string into a string..

Plus the string class is for morons who can't properly handle real C style strings.

**OnionKnight** · 03-10-2006

Maybe he wanted something like

Code:

string array[5];

for (int i = 0; i < 5; i++)
  getline(cin, array[i], '\n');

Not sure if he wanted the array dynamical though.

**dwks** · 03-11-2006

is there anyway to store a string (which is imputted from the user)
into an array?

This sounds like "how do I get a string from the user?". FAQ: FAQ > How do I... (Level 1) > Obtain a string from the user (C++)

**ChaosEngine** · 03-11-2006

Originally Posted by homeyg

He said put a string into an array, not put a string into a string..

Plus the string class is for morons who can't properly handle real C style strings.

I really hope you're joking. I'm not even gonna go into why that's stupid.

He also said store a string in C dynamically not C++, so no std::string and no new.

Code:

#incude <stdio.h>

int main()
{
   int len = 0;
   char* pString = NULL;
   printf("How long is a piece of string?");

   scanf("%d", &len);

   pString = malloc(len);

   printf("enter the string");
   scanf("%s", pString);
}

man that takes me back! That's the C way to do it.

if you ARE using C++, that's about the worst way to do it.

Code:

#include <iostream>
#include <string>

using namespace std;

int main()
{
    string str;
    cout << "enter a string: ";
    cin >> str
}

**7stud** · 03-11-2006

He said put a string into an array, not put a string into a string..

Code:

#include <iostream>
#include <string>
using namespace std;

int main()
{

	string myStr;
	cout<<"Enter a string of any length: ";
	getline(cin, myStr);

	cout<<"The characters you entered were:\n";
	
	for(int i = 0; i < myStr.length(); i++)
	{
		cout<<myStr[i]<<endl;
	}

	return 0;
}

Well, looky there: a string is an array. Imagine that.

He also said store a string in C dynamically not C++, so no std::string and no new.

...but it was posted in a C++ forum. std::string and new until the sun don't shine!

**CornedBee** · 03-11-2006

Originally Posted by ChaosEngine

Code:

#incude <stdio.h>

int main()
{
   int len = 0;
   char* pString = NULL;
   printf("How long is a piece of string?");

   scanf("%d", &len);

   pString = malloc(len);

   printf("enter the string");
   scanf("%s", pString);
}

man that takes me back! That's the C way to do it.

if you ARE using C++, that's about the worst way to do it.

If you're using C, that's STILL the worst way to do it. What happens if I claim my string is shorter than what I actually enter?

**JeremyCAFE** · 03-11-2006

Originally Posted by 7stud

Code:

#include <iostream>
#include <string>
using namespace std;

int main()
{

	string myStr;
	cout<<"Enter a string of any length: ";
	getline(cin, myStr);

	cout<<"The characters you entered were:\n";
	
	for(int i = 0; i < myStr.length(); i++)
	{
		cout<<myStr[i]<<endl;
	}

	return 0;
}

Well, looky there: a string is an array. Imagine that.

...but it was posted in a C++ forum. std::string and new until the sun don't shine!

strings are for the lazy >.>

**SlyMaelstrom** · 03-11-2006

Originally Posted by homeyg

He said put a string into an array, not put a string into a string..

Plus the string class is for morons who can't properly handle real C style strings.

Originally Posted by JeremyCAFE

strings are for the lazy >.>

*........es himself*

Rebels without a cause... I suppose you shouldn't use the ANSI strlen(), strcpy(), strcmp(), or any other predefined functions for strings either. They're just for lazy morons.

**ChaosEngine** · 03-11-2006

Originally Posted by CornedBee

If you're using C, that's STILL the worst way to do it. What happens if I claim my string is shorter than what I actually enter?

true. to be honest it's been a long time since I've done any C (actually had to look up scanf and malloc

),

**7stud** · 03-12-2006

strings are for the lazy >.>

Crazy lazy:

Code:

#include <iostream>
#include <string>
#include <algorithm>

using namespace std;

int main()
{

	string myStr;
	cout<<"Enter a string of any length: ";
	getline(cin, myStr);
	
	cout<<"The characters you entered were:\n";
	
	copy(myStr.begin(), myStr.end(), ostream_iterator<char>(cout, "\n"));

	return 0;
}

**CornedBee** · 03-12-2006

Laziness is a virtue.

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