ifpps, flowtop: Move ncurses init and end to common module

ncurses (de-)initialization is duplicated across flowtop and ifpps, so
move it to an own module and use it from both tools.

Signed-off-by: Tobias Klauser <tklauser@distanz.ch>

1 files changed, 24 insertions, 0 deletions

diff --git a/screen.c b/screen.c
new file mode 100644
index 0000000..34b27f3
--- /dev/null
+++ b/screen.c
@@ -0,0 +1,24 @@
+#include <curses.h>
+
+#include "screen.h"
+
+WINDOW *screen_init(bool israw)
+{
+	WINDOW *screen = initscr();
+
+	if (israw)
+		raw();
+	noecho();
+	cbreak();
+	nodelay(screen, TRUE);
+	keypad(stdscr, TRUE);
+	refresh();
+	wrefresh(screen);
+
+	return screen;
+}
+
+void screen_end(void)
+{
+	endwin();
+}