add cleanup_display call in case of SIGINT

src/display.c

@@ -57,7 +57,7 @@ void callback(const struct message *msg, const struct prog_info *pinfo) {
 
 
 //int init = 0;
-//int rows; 
+//int rows;
 //int cols;
 void prntscreen(const struct message *msg, const struct prog_info *pinfo) {
 	static int init = 0;

src/main.c

@@ -93,6 +93,7 @@ int main(int argc, char **argv) {
 			ret = run_server(&prog_info);
 		} else {
 			printf("running in CLIENT mode, using client number %d\n", prog_info.client_offset);
+			signal(SIGINT,&cleanup_display);
 			ret = run_client(&prog_info, callback);
 		}
 

src/net.c

@@ -152,7 +152,7 @@ int run_client(const struct prog_info *pinfo, void (*framecallback)(const struct
 	printf("check!\n");
 
 	freeaddrinfo(servinfo); // free whole list
- 
+
 	struct sockaddr_storage their_addr;
 	socklen_t addr_len = sizeof their_addr;
 	int numbytes;

src/net.h

@@ -4,7 +4,7 @@
 #include <sys/socket.h>	// struct sockaddr
 #include "misc.h"		// prog_info
 #include "msg.h"		// message serialization
-#include "display.h"	// callback 
+#include "display.h"	// callback
 
 void *get_in_addr(struct sockaddr *sa);
 int run_server(const struct prog_info *pinfo);