rfkill: fix compiler warning [-Wformat=]

* `RFKILL_EVENT_SIZE_V1` is defined as sizeof(struct rfkill_event), so let's use %zu

* cast `len` to size_t to make it usable with %zu

Signed-off-by: Karel Zak <kzak@redhat.com>

diff --git a/sys-utils/rfkill.c b/sys-utils/rfkill.c
index 542614b1bae44a12fd3e9afd22ee9c8bf1401a80..0b72fa96384ba29a9e82b00bff50acf62bf222c4 100644 (file)
--- a/sys-utils/rfkill.c
+++ b/sys-utils/rfkill.c
@@ -218,7 +218,8 @@ static int rfkill_read_event(int fd, struct rfkill_event *event)
        }
 
        if (len < RFKILL_EVENT_SIZE_V1) {
-               warnx(_("wrong size of rfkill event: %zu < %d"), len, RFKILL_EVENT_SIZE_V1);
+               warnx(_("wrong size of rfkill event: %zu < %zu"),
+                               (size_t) len, RFKILL_EVENT_SIZE_V1);
                return 1;
        }