Why this DLL to double the size of array?

Here's some code for a simple DLL that I use as a test case.  LabVIEW pré-alloue memory by initializing arrays of 19 and 21 items, but the output of the function is an array of 38 and an array of 42.  Why would he do that?

_declspec (dllexport) int split_array (unsigned char * array_in, unsigned char * split1, unsigned char * split2);

int split_array (unsigned char * array_in, unsigned char * split1, unsigned char * split2)

{

int i;
for (i = 0; i< 19;="">

{

Split1 [i] = array_in [i];

}

for (i = 19; I)< 40;="">

{

Split2 [(i-19)] = array_in [i];

}

return 0;

}


Tags: NI Software

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