// cppProjectCharArray.cpp : Defines the entry point for the console application.
//
#include "stdafx.h"
#include
#include
#include
#include
#include
#define MAX_LEN 256
using namespace std;
char * strncpy_convert( char * destination, const char * source, size_t num)
{
destination[num-1] = '\0';
return strncpy(destination, source, num-1);
}
void displayArray(char * p){
while(*p){
cout << *p;
p++;
}
cout << endl;
}
// the following function will not return the actual size of a
// char string but 4.
int testFunc(char p[]){
displayArray(p);
return sizeof(p);
}
int stringLength(std::string& s){
return s.size();
}
int main(){
string name,name1, name2;
name1 = "Yaya";
name2 = "Wawa";
string newLine(20,'*');
newLine.push_back('\n');
char obligor_cstr[MAX_LEN];
char obligor_cstr1[MAX_LEN];
char* ptrObligor;
name = "AGeeieke99292,,92921@UI";
//boost::to_upper(name);
strcpy(obligor_cstr,name.c_str());
//cout << typeid(name.c_str()).name << endl;
//strcpy(ptrObligor,name.c_str());
strncpy_convert(obligor_cstr1,name.c_str(),MAX_LEN);
cout << newLine;
cout << name << endl;
cout << newLine;
//displayArray(ptrObligor);
cout << newLine;
char str1[]="Sample string";
char str2[40];
char str3[40];
char* str4 = "char pointer";
strcpy (str2,name.c_str());
strcpy (str3,"copy successful");
strcpy (str1,"name");
//strcpy (str4,"Julian"); /* this will cause serious problem */
printf ("str1: %s\nstr2: %s\nstr3: %s\nstr4: %s\n",str1,str2,str3,str4);
cout << newLine;
displayArray(str2);
boost::to_upper(obligor_cstr1);
displayArray(obligor_cstr1);
cout << newLine;
cout << "The size of obligor_cstr1 is: " << sizeof(obligor_cstr) << endl;
cout << "The size of the name string is :" << sizeof(string) << endl;
cout << newLine;
cout << "The name is : " << name << endl;
name = std::string(str1);
cout << "Now the name is : " << name << endl;
cout << newLine;
cout << newLine;
cout << testFunc(str2) << endl;
std::string tempS;
tempS = std::string(str2);
cout << tempS << endl;
cout << stringLength(tempS) << endl; // this gives the numbers of characters in the string
cout << sizeof(str2) << endl; // this just gives the occuputation of char [] in memory.
cout << strlen(str2) << endl;
return 0;
}