replace parsing to use getopt (safer), change count opt behavior, close socket when needed

srcs/includes/ft_ping.h

@@ -16,6 +16,7 @@
 #include <sys/param.h>
 #include <math.h>
 #include <netinet/ip.h>
+#include <getopt.h>
 
 #include <fcntl.h>
 
@@ -29,8 +30,9 @@ Send ICMP ECHO_REQUEST packets to network hosts.\n\
   -i, --interval=N	Wait N seconds between sending each packet\n\
   -w, --timeout=N	Stop after N seconds\n\
   -W, --linger=N	Number of seconds to wait for response\n\
+  -v, --verbose		Enable verbose mode\n\
 \n\
-  -?, --help		Give this help list\n"
+  -h, --help		Print this usage info\n"
 
 extern int g_stop;
 
@@ -56,7 +58,7 @@ typedef struct s_settings
 	int				linger; //-W (--linger)
 	int				ttl;	// --ttl
 	short			setTtl; // is ttl set
-	short			verbose; // -v (--verbose)
+	int				verbose; // -v (--verbose)
 	
 	int				socket;
 	uint16_t		id;
@@ -102,8 +104,8 @@ typedef struct s_stats
 t_icmp_echo prepare_icmp_echo(uint16_t sequence, uint16_t identifier);
 int add_host(t_settings *res, char *host);
 void free_hosts(t_host_list *list);
-t_settings parse_args(int argc, char **argv);
-void show_help(t_settings *set, char *name);
+int parse_args(int argc, char **argv, t_settings *set);
+void show_help(t_settings *set);
 void send_pings(t_settings *set);
 uint16_t calc_checksum(void *ptr, size_t len);
 double timediff(struct timeval *from);