minor tweaks to 4b19730c

/**

 * \file di_ops.c

 * \brief Functions for data-independent operations

 * \brief Functions for data-independent operations.

 **/

#include "orconfig.h"

/**

 * Timing-safe version of memcmp.  As memcmp, compare the <b>sz</b> bytes

 * at <b>a</b> with the <b>sz</b> bytes at <b>, and returns less than 0 if the

 * at <b>a</b> with the <b>sz</b> bytes at <b>, and return less than 0 if the

 * bytes at <b>a</b> lexically precede those at <b>b</b>, 0 if the byte ranges

 * are equal, and greater than zero if the bytes at <b>a</b> lexically follow

 * those at <b>.