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avoid overflow on 32-bit machines when working with large ns values

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This commit is contained in:
hsu 2016-08-24 15:40:44 -07:00
parent b5a77f2233
commit 88db3d821a
1 changed files with 2 additions and 2 deletions
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4
rcl/src/rcl/time_unix.c
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@ -66,7 +66,7 @@ rcl_system_time_now(rcl_time_point_value_t * now)
RCL_SET_ERROR_MSG("unexpected negative time"); RCL_SET_ERROR_MSG("unexpected negative time");
return RCL_RET_ERROR; return RCL_RET_ERROR;
} }
*now = RCL_S_TO_NS(timespec_now.tv_sec) + timespec_now.tv_nsec; *now = RCL_S_TO_NS((uint64_t)timespec_now.tv_sec) + timespec_now.tv_nsec;
return RCL_RET_OK; return RCL_RET_OK;
} }
@ -97,7 +97,7 @@ rcl_steady_time_now(rcl_time_point_value_t * now)
RCL_SET_ERROR_MSG("unexpected negative time"); RCL_SET_ERROR_MSG("unexpected negative time");
return RCL_RET_ERROR; return RCL_RET_ERROR;
} }
*now = RCL_S_TO_NS(timespec_now.tv_sec) + timespec_now.tv_nsec; *now = RCL_S_TO_NS((uint64_t)timespec_now.tv_sec) + timespec_now.tv_nsec;
return RCL_RET_OK; return RCL_RET_OK;
} }