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authorXiaoming Ni <nixiaoming@huawei.com>2022-05-05 11:01:11 +0800
committerSiddhesh Poyarekar <siddhesh@sourceware.org>2022-05-05 17:48:04 +0530
commitcf73acb596e39af4bd9f32846552cd41d9e17a78 (patch)
treecabece628862ed0abcadc51ae5bfb6fc415ba6e8 /time
parented2ddeffa5d4a51a0d7fe8af701e86cb2fd4ce05 (diff)
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clock_settime/clock_gettime: Use __nonnull to avoid null pointer
clock_settime()
clock_settime64()
clock_gettime()
clock_gettime64()
Add __nonnull((2)) to avoid null pointer access.

Link: https://sourceware.org/bugzilla/show_bug.cgi?id=27662
Link: https://sourceware.org/bugzilla/show_bug.cgi?id=29084
Signed-off-by: Xiaoming Ni <nixiaoming@huawei.com>
Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
Diffstat (limited to 'time')
-rw-r--r--time/time.h11
1 files changed, 7 insertions, 4 deletions
diff --git a/time/time.h b/time/time.h
index 847ac3f8c0..2cf89e6222 100644
--- a/time/time.h
+++ b/time/time.h
@@ -276,11 +276,12 @@ extern int nanosleep (const struct timespec *__requested_time,
 extern int clock_getres (clockid_t __clock_id, struct timespec *__res) __THROW;
 
 /* Get current value of clock CLOCK_ID and store it in TP.  */
-extern int clock_gettime (clockid_t __clock_id, struct timespec *__tp) __THROW;
+extern int clock_gettime (clockid_t __clock_id, struct timespec *__tp)
+     __THROW __nonnull((2));
 
 /* Set clock CLOCK_ID to value TP.  */
 extern int clock_settime (clockid_t __clock_id, const struct timespec *__tp)
-     __THROW;
+     __THROW __nonnull((2));
 # else
 #  ifdef __REDIRECT
 extern int __REDIRECT (nanosleep, (const struct timespec *__requested_time,
@@ -290,9 +291,11 @@ extern int __REDIRECT_NTH (clock_getres, (clockid_t __clock_id,
                                           struct timespec *__res),
                            __clock_getres64);
 extern int __REDIRECT_NTH (clock_gettime, (clockid_t __clock_id, struct
-                                           timespec *__tp), __clock_gettime64);
+                                           timespec *__tp), __clock_gettime64)
+                           __nonnull((2));
 extern int __REDIRECT_NTH (clock_settime, (clockid_t __clock_id, const struct
-                                           timespec *__tp), __clock_settime64);
+                                           timespec *__tp), __clock_settime64)
+                           __nonnull((2));
 #  else
 #   define nanosleep __nanosleep64
 #   define clock_getres __clock_getres64