ui: Refactor

ui/Makefile.objs

@@ -26,7 +26,6 @@ endif
 # Override with xemu UI
 sdl.mo-objs := \
 	imgui/imgui.o \
-	imgui/imgui_demo.o \
 	imgui/imgui_draw.o \
 	imgui/imgui_widgets.o \
 	imgui/examples/imgui_impl_opengl3.o \

ui/xemu-monitor.c

@@ -102,9 +102,9 @@ void xemu_run_monitor_command(const char *cmd)
     int len = strlen(cmd)+1;
 
     /* FIXME: qemu_chr_be_write needs to be fixed to declare inbuf as const. It
-     * does not modify the data. Accept the warning for now as a reminder.
+     * does not modify the data. Cast for now.
      */
-    qemu_chr_be_write(mon_chr, cmd, len);
+    qemu_chr_be_write(mon_chr, (unsigned char*)cmd, len);
 }
 
 static const TypeInfo char_xemu_type_info = {

ui/xemu-os-utils-linux.c

@@ -69,6 +69,10 @@ const char *xemu_get_os_info(void)
 void xemu_open_web_browser(const char *url)
 {
 	char *cmd = g_strdup_printf("xdg-open %s", url);
-	system(cmd);
+	int status = system(cmd);
+	if (status < 0) {
+		fprintf(stderr, "Failed to run: %s\n", cmd);
+	}
+
 	free(cmd);
 }

ui/xemu.c

@@ -1420,9 +1420,8 @@ static void post_swap(void)
     }
 }
 
-// #undef main
-
-int main(int argc, char **argv) {
+int main(int argc, char **argv)
+{
     QemuThread thread;
 
     DPRINTF("Entered main()\n");