// header files
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include "StandardConstants.h"

// constants

// function implementations

/*
Name: getStringLength
Process: gets length of string from start to NULL_CHAR ('\0')
Function input/parameters: c-style string (char *)
Function output/parameters: NONE
Function output/returned: length of string (int)
Device input/---: NONE
Device output/---: NONE
Dependencies: included by standard libraries
*/
int getStringLength(const char *stringIn)
{
    // define variables
    int stringLength = 0, currentCharacter = 0;
    // get user input (not needed)
    // do calculations
    while(currentCharacter < STD_STR_LEN && stringIn[currentCharacter] != NULL_CHAR)
    {
        // increment string length
        stringLength = stringLength + 1;
        // increment currentCharacter
        currentCharacter = currentCharacter + 1;
    }
    // display results (not needed)
    // return success
    return stringLength;
}

/*
Name: main
Process: Runs all the functions listed above that was used as preparation for 
                                CS480. Videos were used as the similar practice.
Function input/parameters: NONE
Function output/parameters: NONE
Function output/returned: NONE
Device input/---: NONE
Device output/---: NONE
Dependencies: included by standard libraries
*/
int main()
{
    // define/initialize variables
    int stringLen = 0;
    char newString[] = "This is my new string!!!";
    printf("\n---Phase 4: Getting String Length---\n");
    printf("====================================\n");
    // get user input
    // do calculations
    stringLen = getStringLength(newString);
    // display results
    printf("\nThe length of string '%s' is %d.\n", newString, stringLen);
    printf("\nProgram End\n");
    // return success
    return 0;
}