Added comments

pendu.c

@@ -35,9 +35,49 @@ void display_hangman(int tries) {
     }
 }
 
+/*
+getWordByLength() function adds the possibility to the user to choose how many letters maximum the word to guess can contains.
+
+Returns:
+    A random word from the words list that correspond to the user input
+*/
+const char* getWordByLength(){
+    int maxLetters;
+    printf("Difficulté - Entrez le nombre de lettres maximum à deviner : ");
+    scanf(" %d", &maxLetters);
+    const char *newWords[MAX_WORDS];
+    int wordsFound = 0;
+    for (int i = 0; i < MAX_WORDS; i++) {
+        if(strlen(words[i]) <= maxLetters){
+            newWords[wordsFound] = words[i];
+            wordsFound++;
+        }
+    }
+    if(wordsFound==0){
+        return "";
+    }
+    const char *word = newWords[rand() % wordsFound];
+    /* SECOND WORD TO GUESS (NOT WORKING)
+    wordsFound = 0;
+    for (int i = 0; i < MAX_WORDS; i++) {
+        if(strlen(words[i]) <= maxLetters-strlen(word)){
+            newWords[wordsFound] = words[i];
+            wordsFound++;
+        }
+    }
+    if(wordsFound != 0){
+        word = (const char*) strcat((char *) word, newWords[rand() % wordsFound]);
+    }*/
+    return word;
+}
+
 int main() {
     srand(time(NULL));
-    const char *word = words[rand() % MAX_WORDS];
+    const char *word = getWordByLength();
+    if(word==""){
+        printf("Aucun mot n'a été trouvé.");
+        return 1;
+    }
     int word_length = strlen(word);
     char guessed[word_length];
     int tries = 0;
@@ -79,4 +119,4 @@ int main() {
     }
 
     return 0;
-}
+}