* [hurd, commited] hurd: Fix timer/clock_getres crash on NULL res parameter
@ 2022-01-15 14:37 Samuel Thibault
0 siblings, 0 replies; only message in thread
From: Samuel Thibault @ 2022-01-15 14:37 UTC (permalink / raw)
To: libc-alpha; +Cc: Samuel Thibault, commit-hurd
POSIX allows res to be NULL.
---
sysdeps/posix/clock_getres.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/sysdeps/posix/clock_getres.c b/sysdeps/posix/clock_getres.c
index 252fc9b4ed..b6c3a10791 100644
--- a/sysdeps/posix/clock_getres.c
+++ b/sysdeps/posix/clock_getres.c
@@ -34,8 +34,11 @@ realtime_getres (struct timespec *res)
/* This implementation assumes that the realtime clock has a
resolution higher than 1 second. This is the case for any
reasonable implementation. */
- res->tv_sec = 0;
- res->tv_nsec = 1000000000 / clk_tck;
+ if (res)
+ {
+ res->tv_sec = 0;
+ res->tv_nsec = 1000000000 / clk_tck;
+ }
return 0;
}
--
2.34.1
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2022-01-15 14:37 [hurd, commited] hurd: Fix timer/clock_getres crash on NULL res parameter Samuel Thibault
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