On 30/08/2022 00:56, scan-ad...@coverity.com wrote:
** CID 1512552: High impact quality (Y2K38_SAFETY)
/cpukit/score/src/kern_tc.c: 1804 in _Timecounter_Windup()
________________________________________________________________________________________________________
*** CID 1512552: High impact quality (Y2K38_SAFETY)
/cpukit/score/src/kern_tc.c: 1804 in _Timecounter_Windup()
1798 /* Go live with the new struct timehands. */
1799 #ifdef FFCLOCK
1800 switch (sysclock_active) {
1801 case SYSCLOCK_FBCK:
1802 #endif
1803 time_second = th->th_microtime.tv_sec;
CID 1512552: High impact quality (Y2K38_SAFETY)
A "time_t" value is stored in an integer with too few bits to accommodate it. The expression
"th->th_offset.sec" is cast to "int32_t".
1804 time_uptime = th->th_offset.sec;
1805 #ifdef FFCLOCK
1806 break;
1807 case SYSCLOCK_FFWD:
1808 time_second = fftimehands->tick_time_lerp.sec;
1809 time_uptime = fftimehands->tick_time_lerp.sec -
ffclock_boottime.sec;
** CID 1512551: (Y2K38_SAFETY)
This seems to be a new Coverity feature. The Newlib time_t definition is:
#if defined(_USE_LONG_TIME_T) || __LONG_MAX__ > 0x7fffffffL
#define _TIME_T_ long
#else
#define _TIME_T_ __int_least64_t
#endif
typedef _TIME_T_ __time_t;
Does Coverity use the Newlib header files? The _USE_LONG_TIME_T should
be undefined for RTEMS.
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