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avoid invalid calls to memcpy(): when ndot == 0, pointers may be NULL

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Axel Kohlmeyer
2017-07-26 12:08:42 -04:00
parent aa5ea95a0f
commit 51a06334ad
1 changed files with 9 additions and 9 deletions
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src/rcb.cpp
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@ -461,7 +461,7 @@ void RCB::compute(int dimension, int n, double **x, double *wt,
largest = smaller; largest = smaller;
dim_select = dim; dim_select = dim;
valuehalf_select = valuehalf; 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; dim = dim_select;
valuehalf = valuehalf_select; valuehalf = valuehalf_select;
memcpy(dotmark,dotmark_select,ndot*sizeof(int)); if (ndot > 0) memcpy(dotmark,dotmark_select,ndot*sizeof(int));
// found median // found median
// store cut info only if I am procmid // store cut info only if I am procmid