add: multi scan

include/parsing.h

@@ -28,6 +28,6 @@ struct option_lst {
 struct option_lst *parse_options(int ac, char *const *av);
 char *get_option_arg(const struct option_lst *options, e_flag flag);
 bool option_isset(const struct option_lst *options, e_flag flag);
-e_scantype parse_type(const char *arg);
+uint8_t parse_type(char *arg);
 void free_options(struct option_lst *options);
 int parsing(struct scan *general, const struct option_lst *options);

include/response.h

@@ -22,7 +22,7 @@ typedef enum {
 };
 
 struct response {
-	e_state states[SCAN_ALL];
+	e_state states[NB_SCAN];
 	char *service;
 };
 

include/scan.h

@@ -4,26 +4,26 @@
 
 #include "host.h"
 
-typedef enum {
-	SCAN_NULL,
-	SCAN_SYN,
-	SCAN_ACK,
-	SCAN_FIN,
-	SCAN_XMAS,
-	SCAN_UDP,
-	SCAN_ALL,
-} e_scantype;
+#define SCAN_NULL (1 << 0)
+#define SCAN_SYN (1 << 1)
+#define SCAN_ACK (1 << 2)
+#define SCAN_FIN (1 << 3)
+#define SCAN_XMAS (1 << 4)
+#define SCAN_UDP (1 << 5)
+#define SCAN_ALL (SCAN_NULL | SCAN_SYN | SCAN_ACK | SCAN_FIN | SCAN_XMAS | SCAN_UDP) 
 
 [[__maybe_unused__]] static const char *types_str[] = {
     "NULL", "SYN", "ACK", "FIN", "XMAS", "UDP",
 };
 
+#define NB_SCAN (sizeof(types_str) / sizeof(*types_str)) 
+
 struct scan {
 	struct host host;
 	char *dest_addr;
 	uint16_t port_start;
 	uint16_t port_end;
-	e_scantype type;
+	uint8_t type;
 	uint8_t ttl;
 	uint8_t max_retries;
 	struct response *responses;