avoid invalid calls to memcpy(): when ndot == 0, pointers may be NULL (51a06334) · Commits · 郑智淋 / lammps

src/rcb.cpp

+9 −9

Original line number	Diff line number	Diff line
		@@ -461,7 +461,7 @@ void RCB::compute(int dimension, int n, double *x, double wt,
		largest = smaller;
		dim_select = dim;
		valuehalf_select = valuehalf;
		memcpy(dotmark_select,dotmark,ndot*sizeof(int));
		if (ndot > 0) memcpy(dotmark_select,dotmark,ndot*sizeof(int));
		}
		}

		@@ -469,7 +469,7 @@ void RCB::compute(int dimension, int n, double *x, double wt,

		dim = dim_select;
		valuehalf = valuehalf_select;
		memcpy(dotmark,dotmark_select,ndot*sizeof(int));
		if (ndot > 0) memcpy(dotmark,dotmark_select,ndot*sizeof(int));

		// found median
		// store cut info only if I am procmid