/* This prompts user to enter the number of letters
* in the word they would like to guess */
int numberOfLetters(){
int number = -1;
while(1){
number = -1;
printf(" \n Please enter the number of letters you would like in the word:");
do {
scanf("%d", &number);
if (number<0) {
printf("That is not a number.\n");
}
flushStdin();
} while (number < 0);
/*Restrict word length by making sure there is at least one word of that
* length in the dictionary.*/
if (!listsAux[number]<=0) {
printf("You will have to guess a word %d letters long.\n", number);
return number;
}
else {
printf("That is not possible. Please pick a number greater than 1 and less than 31.\n");
}
}
}
/*Obtains user guess and verifies that it is valid.
*Returns the valid character guessed*/
char obtainGuess(){
/*While incorrect is 1 the function will keep asking
* the user for input, until a valid guess is entered.*/
char incorrect=1;
//While the entered guess is invalid repeat loop
while (incorrect) {
printf("Your guess:");
char letter = getchar();
flushStdin();
//verifies that guess is a letter
if (isalpha(letter)) {
incorrect=0;
// Takes care of matching letters of different cases
char lowerLetter=tolower(letter);
if (testIfAleadyGuessed(head,letter)) {
return lowerLetter;
}
else {
printf("This character has already been guessed.\n");
incorrect = 1;
}
} else {
printf("This character is not a letter. Please input a letter.\n");
}
}
}
unsigned int getSel(void)
{
unsigned int selection = 0;
scanf("%u",&selection);
flushStdin();
while( !isValid(selection) )
{
puts("Selection not valid. Try again :");
scanf("%u",&selection);
flushStdin();
}
return selection;
}
int cli_get_student_id()
{
char stundent_id[10];
printf("enter student id:\n");
fgets(stundent_id, sizeof(stundent_id), stdin);
size_t idLn = strlen(stundent_id) - 1;
if (stundent_id[idLn] == '\n')
stundent_id[idLn] = '\0';
else flushStdin();
return atoi(stundent_id);
}
extern double input()
{
double user_input=0.0;
//while scanf gets a correct input
//clean the buffer and try again
//scanf is documented to have a return value of
//the number of inputs it will recieve
while( scanf("%lf",&user_input) != 1)
{
fprintf(stderr,"Please enter a float\r\n");
flushStdin();
}
return user_input;
}
/* This prompts user to enter the difficulty
* of the game they would like to play*/
int difficulty(){
int number = -1;
while(1){
number = -1;
printf(" \n Please enter 1 if you want an easy game, or 0 if you want a difficult game:");
do {
scanf("%d", &number);
//Checks that input was a number
if (number<0) {
printf("That is not a number.\n");
}
flushStdin();
} while (number<0);
//Checks that input was in correct range.
if (number!=0 && number!=1) {
printf("That is not possible.\n");
}
else {
return number;
}
}
}
/* This prompts user to enter the number of guesses
* they would like to allow themselves */
int numberOfGuesses(){
int number = -1;
while(1){
number = -1;
printf(" \n Please enter the number of guesses you would like to allow yourself:");
do {
scanf("%d", &number);
//Checks that input was a number
if (number<0) {
printf("That is not a number.\n");
}
flushStdin();
} while (number < 0);
//Checks that input was in correct range.
if (number<lettersInAlphabet && number>minimumGuesses) {
printf("You will have %d guesses.\n", number);
return number;
}
else {
printf("That is not possible. Please pick a number greater than 1 and less than 26.\n");
}
}
}
