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In this particular example I initialized len to strlen(testStr) which excludes the null terminator, so there's no need to worry about null terminator and hence no need for -1. You're always guaranteed to put only valid data in the wrkFld2 buffer. Elvis -----Original Message----- >memcpy(wrkFld2, testStr, len > sizeof(wrkFld2) ? sizeof(wrkFld2) : len); Maybe a minor detail, but wouldn't this be better as: memcpy(wrkFld2, testStr, len > sizeof(wrkFld2) ? sizeof(wrkFld2) -1 : len); That way you wouldn't lose that final null terminator if testStr happens to be bigger than wrkFld2. Robert Martin
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