Added difficulty and comments

Reviewed-on: #6

pendu.c

@@ -1,7 +1,9 @@
+#include <signal.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <time.h>
+#include <unistd.h>
 
 #define MAX_WORDS 14
 #define MAX_TRIES 6
@@ -35,6 +37,10 @@ void display_hangman(int tries) {
     }
 }
 
+<<<<<<< HEAD
+<<<<<<< HEAD
+<<<<<<< HEAD
+<<<<<<< HEAD
 /*
 this function allow to save the last party
 
@@ -74,27 +80,96 @@ void save_party(char * status, const char * good_word, char try[]) {
         fclose(fichier); // On ferme le fichier qui a été ouvert
     }
 
+=======
+<<<<<<< HEAD
+=======
+void sig_handler(int signum){
+    printf("\ntime out\n");
+    exit (1);
+>>>>>>> b4f25a5 (ajout du cooldown sur le scanf)
+=======
+=======
+>>>>>>> dev-rocherl
+>>>>>>> 083b1f2 (Commentaires)
+/* this function display time out when user does nothing during 30s and verify signal*/
+void sig_handler(int signum){
+    if (signum == SIGALRM){
+
+        printf("\ntime out\n");
+        exit (1);
+    }
+<<<<<<< HEAD
+>>>>>>> 83066e1 (ajout des commentaires.)
+=======
+>>>>>>> dev-rocherl
+=======
+/*
+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;
+>>>>>>> dev-schied
 }
 
 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;
     int guessed_correctly = 0;
     char try[MAX_TRIES]; //save the carcater try
 
+    signal(SIGALRM,sig_handler);
+
+    signal(SIGALRM,sig_handler);
+
     for (int i = 0; i < word_length; i++) {
         guessed[i] = '_';
     }
     guessed[word_length] = '\0';
 
     while (tries < MAX_TRIES && guessed_correctly < word_length) {
+
         printf("\nMot à deviner : %s\n", guessed);
         display_hangman(tries);
         char guess;
+        alarm(30);
         printf("Entrez une lettre : ");
+        alarm(30);
         scanf(" %c", &guess);