linux-kernel - [PATCH linux-next v3] selftests: net: change fprintf format specifiers

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Date:   Sat, 19 Mar 2022 15:37:30 +0800
From:   Guo Zhengkui <guozhengkui@...o.com>
To:     "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>, Shuah Khan <shuah@...nel.org>,
        netdev@...r.kernel.org (open list:NETWORKING [GENERAL]),
        linux-kselftest@...r.kernel.org (open list:KERNEL SELFTEST FRAMEWORK),
        linux-kernel@...r.kernel.org (open list)
Cc:     zhengkui_guo@...look.com, Guo Zhengkui <guozhengkui@...o.com>
Subject: [PATCH linux-next v3] selftests: net: change fprintf format specifiers

`cur64`, `start64` and `ts_delta` are int64_t. Change format
specifiers in fprintf from `"%lu"` to `"%" PRId64` to adapt
to 32-bit and 64-bit systems.

Signed-off-by: Guo Zhengkui <guozhengkui@...o.com>
---
 tools/testing/selftests/net/txtimestamp.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/tools/testing/selftests/net/txtimestamp.c b/tools/testing/selftests/net/txtimestamp.c
index fabb1d555ee5..10f2fde3686b 100644
--- a/tools/testing/selftests/net/txtimestamp.c
+++ b/tools/testing/selftests/net/txtimestamp.c
@@ -161,7 +161,7 @@ static void validate_timestamp(struct timespec *cur, int min_delay)
 	max_delay = min_delay + cfg_delay_tolerance_usec;
 
 	if (cur64 < start64 + min_delay || cur64 > start64 + max_delay) {
-		fprintf(stderr, "ERROR: %lu us expected between %d and %d\n",
+		fprintf(stderr, "ERROR: %" PRId64 " us expected between %d and %d\n",
 				cur64 - start64, min_delay, max_delay);
 		test_failed = true;
 	}
@@ -170,9 +170,9 @@ static void validate_timestamp(struct timespec *cur, int min_delay)
 static void __print_ts_delta_formatted(int64_t ts_delta)
 {
 	if (cfg_print_nsec)
-		fprintf(stderr, "%lu ns", ts_delta);
+		fprintf(stderr, "%" PRId64 " ns", ts_delta);
 	else
-		fprintf(stderr, "%lu us", ts_delta / NSEC_PER_USEC);
+		fprintf(stderr, "%" PRId64 " us", ts_delta / NSEC_PER_USEC);
 }
 
 static void __print_timestamp(const char *name, struct timespec *cur,
-- 
2.20.1