core: examples: fix warning for u64 formatting on 32bit

The watch_line_info example prints the u64 timestamps using "%ld" which
produces a warning for 32bit.  Replace it with PRIu64.

Signed-off-by: Kent Gibson <warthog618@gmail.com>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>

diff --git a/examples/watch_line_info.c b/examples/watch_line_info.c
index 1879a62c656006f2072d6cd237de39f5ba5ae73f..9df3121fb439887888786ee69ae0452a36f5cb68 100644 (file)
--- a/examples/watch_line_info.c
+++ b/examples/watch_line_info.c
@@ -5,6 +5,7 @@
 
 #include <errno.h>
 #include <gpiod.h>
+#include <inttypes.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ -63,7 +64,7 @@ int main(void)
 
                info = gpiod_info_event_get_line_info(event);
                timestamp_ns = gpiod_info_event_get_timestamp_ns(event);
-               printf("line %3d: %-9s %ld.%ld\n",
+               printf("line %3d: %-9s %" PRIu64 ".%" PRIu64 "\n",
                       gpiod_line_info_get_offset(info), event_type(event),
                       timestamp_ns / 1000000000, timestamp_ns % 1000000000);