showkey: suppress gcc warning

diff --git a/console-tools/showkey.c b/console-tools/showkey.c
index ee93180..681114d 100644 (file)
--- a/console-tools/showkey.c
+++ b/console-tools/showkey.c
@@ -50,7 +50,7 @@ static void signal_handler(int signo)
 {
        // restore keyboard and console settings
        xset1(STDIN_FILENO, &tio0, "stdin");
-       xioctl(STDIN_FILENO, KDSKBMODE, (void *)kbmode);
+       xioctl(STDIN_FILENO, KDSKBMODE, (void *)(ptrdiff_t)kbmode);
        // alarmed? -> exit 0
        exit(SIGALRM == signo);
 }
@@ -95,7 +95,7 @@ int showkey_main(int argc UNUSED_PARAM, char **argv)
                // we should exit on any signal
                bb_signals(BB_FATAL_SIGS, signal_handler);
                // set raw keyboard mode
-               xioctl(STDIN_FILENO, KDSKBMODE, (void *)((option_mask32 & OPT_k) ? K_MEDIUMRAW : K_RAW));
+               xioctl(STDIN_FILENO, KDSKBMODE, (void *)(ptrdiff_t)((option_mask32 & OPT_k) ? K_MEDIUMRAW : K_RAW));
 
                // read and show scancodes
                while (1) {