Update README

CMakeLists.txt

@@ -718,6 +718,7 @@ add_executable(
 	src/callbacks.c
 	src/resources.c
 	src/biggestint.c
+	src/signals.c
 )
 
 foreach(target kai)

src/callbacks.c

@@ -3,6 +3,7 @@
 
 #include "terminal.h"
 #include "callbacks.h"
+#include "signals.h"
 
 void progress_callback(const size_t total, const size_t current) {
 
@@ -11,3 +12,11 @@ void progress_callback(const size_t total, const size_t current) {
 	fflush(stdout);
 
 }
+
+SIGNAL_HANDLER_RETURN sigint_handler(SIGNAL_HANDLER_ARGS) {
+
+	show_cursor();
+
+	SIGNAL_HANDLER_END
+
+}

src/callbacks.h

@@ -3,6 +3,9 @@
 
 #include <stdlib.h>
 
+#include "signals.h"
+
 void progress_callback(const size_t total, const size_t current);
+SIGNAL_HANDLER_RETURN sigint_handler(SIGNAL_HANDLER_ARGS);
 
 #endif

src/main.c

@@ -2,6 +2,7 @@
 #include <string.h>
 #include <stdio.h>
 #include <errno.h>
+#include <signal.h>
 
 #include <curl/curl.h>
 #include <libavutil/error.h>
@@ -30,6 +31,7 @@
 #include "biggestint.h"
 #include "sslcerts.h"
 #include "resources.h"
+#include "signals.h"
 
 #if defined(_WIN32) && defined(_UNICODE)
 	#include "wio.h"
@@ -210,6 +212,7 @@ int main(int argc, argv_t* argv[]) {
 	}
 
 	hide_cursor();
+	signal_sethandler(SIGINT, &sigint_handler);
 
 	temporary_directory = get_temporary_directory();
 

src/signals.c

@@ -0,0 +1,8 @@
+#include "signals.h"
+
+void signal_sethandler(
+	const int signal,
+	SIGNAL_HANDLER_RETURN (*handler)(SIGNAL_HANDLER_ARGS)
+) {
+
+}

src/signals.h

@@ -0,0 +1,14 @@
+#if !defined(SIGNALS_H)
+#define SIGNALS_H
+
+#if defined(_WIN32)
+	#define SIGNAL_HANDLER_RETURN int
+	#define SIGNAL_HANDLER_ARGS int value, int subcode
+	#define SIGNAL_HANDLER_END return 0;
+#else
+	#define SIGNAL_HANDLER_RETURN void
+	#define SIGNAL_HANDLER_ARGS
+	#define SIGNAL_HANDLER_END
+#endif
+
+#endif