This is used in various selftests and will be handy when integrating
those with nolibc.
Signed-off-by: Thomas Weißschuh <thomas.weisssc...@linutronix.de>
---
tools/include/nolibc/time.h | 7 +++++++
tools/testing/selftests/nolibc/nolibc-test.c | 1 +
2 files changed, 8 insertions(+)
diff --git a/tools/include/nolibc/time.h b/tools/include/nolibc/time.h
index
28a1549adb14e2087fa8fbdb7e9c35e1c3f22c2a..760133c574ece97165e3bba5616a387deaf07aff
100644
--- a/tools/include/nolibc/time.h
+++ b/tools/include/nolibc/time.h
@@ -105,6 +105,13 @@ int clock_settime(clockid_t clockid, struct timespec *tp)
}
+static __inline__
+double difftime(time_t time1, time_t time2)
+{
+ return time1 - time2;
+}
+
+
static __attribute__((unused))
time_t time(time_t *tptr)
{
diff --git a/tools/testing/selftests/nolibc/nolibc-test.c
b/tools/testing/selftests/nolibc/nolibc-test.c
index
aed71de4b4f3dd1f183c7fc25e5a5cee466600ed..fd8bab42e75157967658690005bc9142360fc135
100644
--- a/tools/testing/selftests/nolibc/nolibc-test.c
+++ b/tools/testing/selftests/nolibc/nolibc-test.c
@@ -1423,6 +1423,7 @@ int run_stdlib(int min, int max)
CASE_TEST(toupper_noop); EXPECT_EQ(1, toupper('A'),
'A'); break;
CASE_TEST(abs); EXPECT_EQ(1, abs(-10), 10);
break;
CASE_TEST(abs_noop); EXPECT_EQ(1, abs(10), 10);
break;
+ CASE_TEST(difftime); EXPECT_EQ(1, difftime(200.,
100.), 100.); break;
case __LINE__:
return ret; /* must be last */
--
2.49.0
