bug with multiple input fixed

src/main/c/Hangman/playHangman.c

@@ -9,12 +9,30 @@ char toLower(char ch) {
     return ch;
 }
 
-// Ignores all inputs after the first character
+// Ignores the inputs with more than one letter
 void ignoreExtraInput() {
     int c;
     while ((c = getchar()) != '\n' && c != EOF);
 }
 
+// Function to get a single character input from the user
+char getSingleCharInput() {
+    char input[3];  // Buffer for input (including null terminator and newline character)
+
+    // Read a line of input (up to 2 characters) and consume the rest
+    if (fgets(input, sizeof(input), stdin) == NULL) {
+        return '\0';  // Error or end of file
+    }
+
+    ignoreExtraInput();  // Ignore extra characters
+
+    // Check if only one character is entered
+    if (strlen(input) == 2 && input[1] == '\n') {
+        return input[0];
+    } else {
+        return '\0';  // More than one character entered
+    }
+}
 void playHangman(char *wordToGuess) {
     int mistakes = 0;
     char guessedLetters[30]; //Guessed letters
@@ -27,30 +45,42 @@ void playHangman(char *wordToGuess) {
     while (mistakes < MAX_MISTAKES) {
         currentState(currentGuess, mistakes);
 
-        // Get a letter from the player
+        // Get a letter from the user
         char guess;
         printf("Enter your guess: \n");
-        scanf(" %c", &guess);
-        ignoreExtraInput();
+
+        // Function to get a single character input and check for errors
+        guess = getSingleCharInput();
+
+        // Check if a valid character is entered
+        if (guess == '\0') {
+            printf("Invalid input. Please enter a single letter.\n");
+            continue;
+        }
+
+        // Convert uppercase letter to lowercase
+        guess = toLower(guess);
 
         // Check if the guess is lower case and is a letter (valid)
         if (!isalpha(guess)) {
             printf("Please enter a valid alphabet.\n");
+            ignoreExtraInput();
             continue;
         }
 
-        // Convert uppercase letter to lowercase
-        guess = toLower(guess);
 
         // Check if the guess is a single letter
         if (strlen(&guess) != 1) {
             printf("Please enter only one letter.\n");
+            ignoreExtraInput();
             continue;
         }
 
+
         // Check if the letter has already been guessed by the player
         if (strchr(guessedLetters, guess) != NULL) {
             printf("You already guessed that letter. Try another letter.\n");
+            ignoreExtraInput();
             continue;
         }