public class Util
{
/*
* Description: Compares up to n elements of byte array a[] against byte array b[].
* The first byte comparison is made between a[a_first] and b[b_first]. Comparisons continue
* until the null terminating byte '\0' is reached or until n bytes are compared.
* Return Value: Returns 0 if arrays are the same up to and including the null terminating byte
* or up to and including the first n bytes,
* whichever comes first.
*/
public static int bytencmp(byte[] a, int a_first, byte[] b, int b_first, int n)
{
int elem;
for (elem = 0; elem < n; ++elem)
{
if ('\0' == a[a_first + elem] && '\0' == b[b_first + elem])
{
return 0;
}
if (a[a_first + elem] < b[b_first + elem])
{
return 1;
}
else if (a[a_first + elem] > b[b_first + elem])
{
return -1;
}
}
return 0;
}
}