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Update documentation

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Jeffrey Walton 2019-07-14 12:50:50 -04:00
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18
misc.h
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@ -103,14 +103,16 @@
#if CRYPTOPP_DOXYGEN_PROCESSING #if CRYPTOPP_DOXYGEN_PROCESSING
/// \brief The maximum value of a machine word /// \brief The maximum value of a machine word
/// \details SIZE_MAX provides the maximum value of a machine word. The value is /// \details <tt>SIZE_MAX</tt> provides the maximum value of a machine word. The value
/// 0xffffffff on 32-bit machines, and 0xffffffffffffffff on 64-bit machines. /// is <tt>0xffffffff</tt> on 32-bit targets, and <tt>0xffffffffffffffff</tt> on 64-bit
/// Internally, SIZE_MAX is defined as __SIZE_MAX__ if __SIZE_MAX__ is defined. If not /// targets.
/// defined, then SIZE_T_MAX is tried. If neither __SIZE_MAX__ nor SIZE_T_MAX is /// \details If <tt>SIZE_MAX</tt> is not defined, then <tt>__SIZE_MAX__</tt> is used if
/// is defined, the library uses std::numeric_limits<size_t>::max(). The library /// defined. If not defined, then <tt>SIZE_T_MAX</tt> is used if defined. If not defined,
/// prefers __SIZE_MAX__ because its a constexpr that is optimized well /// then the library uses <tt>std::numeric_limits<size_t>::max()</tt>.
/// by all compilers. std::numeric_limits<size_t>::max() is not always a constexpr, /// \details The library prefers <tt>__SIZE_MAX__</tt> or <tt>__SIZE_T_MAX__</tt> because
/// and it is not always optimized well. /// they are effectively <tt>constexpr</tt> that is optimized well by all compilers.
/// <tt>std::numeric_limits<size_t>::max()</tt> is not always a <tt>constexpr</tt>, and
/// it is not always optimized well.
# define SIZE_MAX ... # define SIZE_MAX ...
#else #else
// Its amazing portability problems still plague this simple concept in 2015. // Its amazing portability problems still plague this simple concept in 2015.