Finished message address checking, worked on SIGINT handling

Makefile

@@ -1,13 +1,12 @@
 EXEC_FILE=main
 TARGETS=$(EXEC_FILE).o message.o user.o message_helpers.o file_helpers.o
-
+CFLAGS=
 
 
 all: $(EXEC_FILE)
 
-
 $(EXEC_FILE): $(TARGETS)
-	gcc -o $(EXEC_FILE) $^ -leasysock
+	gcc $(CFLAGS) -o $(EXEC_FILE) $^ -leasysock
 
 
 $(EXEC_FILE).o: $(EXEC_FILE).c
@@ -15,13 +14,19 @@ message.o: message.c
 user.o: user.c
 message_helpers.o: message_helpers.c
 file_helpers.o: file_helpers.c
-
 $(TARGETS):
-	gcc -c -o $@ $^
+	gcc $(CFLAGS) -c -o $@ $^
 
 
+.PHONY: debug
+debug: CFLAGS+=-g
+debug: $(EXEC_FILE)
 
 
+.PHONY: allwarn
+allwarn: CFLAGS+=-Wall -Wextra -pedantic
+allwarn: $(EXEC_FILE)
+
 .PHONY: clean
 clean:
 	rm $(TARGETS)

main.c

@@ -4,6 +4,7 @@
 #include <stdbool.h>
 #include <assert.h>
 #include <unistd.h>
+#include <signal.h>
 
 #include "message.h"
 #include "user.h"
@@ -14,11 +15,15 @@
 #define BUFFER_SIZE 10000
 #define MAX_CONNECTIONS 100
 
-int num_of_lines(char* filename);
-char* file_to_string(char* filename);
 User* create_user_list(char* filename);
+void sigint_handler(int dummy);
+
+bool stop_running = false;
 
 int main() {
+
+	signal(SIGINT,sigint_handler);
+
 	struct sockaddr temp_addr;
 	socklen_t temp_addrlen;
 
@@ -73,6 +78,9 @@ int main() {
 							if (check_ip_ver(dest_address[i]) == -1) {
 								printf("Invalid address: %s\n",dest_address[i]);
 								exit(242);
+							} else {
+								printf("Valid IPv%d addres: %s\n",check_ip_ver(dest_address[i]),dest_address[i]);
+								exit(0);
 							}
 
 						}
@@ -91,6 +99,13 @@ int main() {
 		}
 		
 
+	if (stop_running) {
+		for (int i=0; i< MAX_CONNECTIONS; i++) {
+			close(conn_sockets[i]);
+		}
+		exit(130);
+	}
+
 
 	}
 
@@ -125,3 +140,7 @@ User* create_user_list(char* filename) {
 	return users;
 
 }
+
+void sigint_handler(int dummy) {
+	stop_running = true;	
+}

message_helpers.c

@@ -4,9 +4,9 @@
 
 char* fetch_address(char* message) {
 	char* token = malloc (sizeof(char) * strlen(message));
-	token = strtok(message," \n");
+	token = strtok(message," \r\n");
 	if (strcmp(token,"TO:") == 0) {
-		token = strtok(NULL," \n");
+		token = strtok(NULL," \r\n");
 	} else {
 		return NULL;
 	}