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[v4,16/18] selftests/nolibc: stat_timestamps: remove procfs dependency

Message ID c8708f02f9c0bd0e25de4296fed319673ade07ed.1688750763.git.falcon@tinylab.org (mailing list archive)
State Accepted
Commit f576d3c075dbc469480e737a97916be3c8f1a723
Headers show
Series selftests/nolibc: allow run with minimal kernel config | expand

Commit Message

Zhangjin Wu July 7, 2023, 6:43 p.m. UTC 
'/proc/self/' is a good path which doesn't have stale time info but it
is only available for CONFIG_PROC_FS=y.

When CONFIG_PROC_FS=n, use argv0 instead of '/proc/self', use '/' for the
worst case.

Reviewed-by: Thomas Weißschuh <linux@weissschuh.net>
Signed-off-by: Zhangjin Wu <falcon@tinylab.org>
---
 tools/testing/selftests/nolibc/nolibc-test.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/tools/testing/selftests/nolibc/nolibc-test.c b/tools/testing/selftests/nolibc/nolibc-test.c
index 0ed207495ea6..2065b5b0d171 100644
--- a/tools/testing/selftests/nolibc/nolibc-test.c
+++ b/tools/testing/selftests/nolibc/nolibc-test.c
@@ -584,7 +584,7 @@  static int test_stat_timestamps(void)
 	if (sizeof(st.st_atim.tv_sec) != sizeof(st.st_atime))
 		return 1;
 
-	if (stat("/proc/self/", &st))
+	if (stat("/proc/self/", &st) && stat(argv0, &st) && stat("/", &st))
 		return 1;
 
 	if (st.st_atim.tv_sec != st.st_atime || st.st_atim.tv_nsec > 1000000000)