PracticeDev/study_cpp/cpp_primer_source_code/Chapter 9/static.cpp

50 lines
1.2 KiB
C++

// static.cpp -- using a static local variable
#include <iostream>
// constants
const int ArSize = 10;
// function prototype
void strcount(const char * str);
int main()
{
using namespace std;
char input[ArSize];
char next;
cout << "Enter a line:\n";
cin.get(input, ArSize);
while (cin)
{
cin.get(next);
while (next != '\n') // string didn't fit!
cin.get(next); // dispose of remainder
strcount(input);
cout << "Enter next line (empty line to quit):\n";
cin.get(input, ArSize);
}
cout << "Bye\n";
// code to keep window open for MSVC++
/*
cin.clear();
while (cin.get() != '\n')
continue;
cin.get();
*/
return 0;
}
void strcount(const char * str)
{
using namespace std;
static int total = 0; // static local variable
int count = 0; // automatic local variable
cout << "\"" << str <<"\" contains ";
while (*str++) // go to end of string
count++;
total += count;
cout << count << " characters\n";
cout << total << " characters total\n";
}