Added static assertion to check wchar_t type for C++
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@ -77,6 +77,71 @@
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# endif
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#endif
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/* =========================================================================
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* MACROS THAT CHANGES THE BEHAVIORS OF THE C COMPILER/LINKER
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* =========================================================================*/
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#if defined(EMSCRIPTEN)
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# define HAWK_IMPORT
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# define HAWK_EXPORT EMSCRIPTEN_KEEPALIVE
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# define HAWK_PRIVATE
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#elif defined(__BORLANDC__) && (__BORLANDC__ < 0x500)
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# define HAWK_IMPORT
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# define HAWK_EXPORT
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# define HAWK_PRIVATE
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#elif defined(_WIN32) || (defined(__WATCOMC__) && (__WATCOMC__ >= 1000) && !defined(__WINDOWS_386__))
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# define HAWK_IMPORT __declspec(dllimport)
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# define HAWK_EXPORT __declspec(dllexport)
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# define HAWK_PRIVATE
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#elif defined(__GNUC__) && ((__GNUC__>= 4) || (__GNUC__ == 3 && __GNUC_MINOR__ >= 3))
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# define HAWK_IMPORT __attribute__((visibility("default")))
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# define HAWK_EXPORT __attribute__((visibility("default")))
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# define HAWK_PRIVATE __attribute__((visibility("hidden")))
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/*# define HAWK_PRIVATE __attribute__((visibility("internal")))*/
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#else
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# define HAWK_IMPORT
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# define HAWK_EXPORT
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# define HAWK_PRIVATE
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#endif
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#if defined(__cplusplus) || (defined(__STDC_VERSION__) && (__STDC_VERSION__>=199901L))
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/* C++/C99 has inline */
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# define HAWK_INLINE inline
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# define HAWK_HAVE_INLINE
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#elif defined(__GNUC__) && defined(__GNUC_GNU_INLINE__)
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/* gcc disables inline when -std=c89 or -ansi is used.
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* so use __inline__ supported by gcc regardless of the options */
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# define HAWK_INLINE /*extern*/ __inline__
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# define HAWK_HAVE_INLINE
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#else
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# define HAWK_INLINE
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# undef HAWK_HAVE_INLINE
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#endif
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#if defined(__GNUC__) && (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ > 4))
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# define HAWK_UNUSED __attribute__((__unused__))
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#else
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# define HAWK_UNUSED
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#endif
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/* =========================================================================
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* STATIC ASSERTION
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* =========================================================================*/
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#define HAWK_STATIC_JOIN_INNER(x, y) x ## y
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#define HAWK_STATIC_JOIN(x, y) HAWK_STATIC_JOIN_INNER(x, y)
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#if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 201112L)
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# define HAWK_STATIC_ASSERT(expr) _Static_assert (expr, "invalid assertion")
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#elif defined(__cplusplus) && (__cplusplus >= 201103L)
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# define HAWK_STATIC_ASSERT(expr) static_assert (expr, "invalid assertion")
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#elif defined(__cplusplus) || (defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L))
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# define HAWK_STATIC_ASSERT(expr) typedef char HAWK_STATIC_JOIN(HAWK_STATIC_ASSERT_T_, __LINE__)[(expr)? 1: -1] HAWK_UNUSED
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#else
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# define HAWK_STATIC_ASSERT(expr) do { typedef char HAWK_STATIC_JOIN(HAWK_STATIC_ASSERT_T_, __LINE__)[(expr)? 1: -1] HAWK_UNUSED; } while(0)
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#endif
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#define HAWK_STATIC_ASSERT_EXPR(expr) ((void)HAWK_SIZEOF(char[(expr)? 1: -1]))
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/* =========================================================================
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* PRIMITIVE TYPE DEFINTIONS
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* ========================================================================= */
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@ -411,7 +476,7 @@ typedef unsigned char hawk_bchu_t; /* unsigned version of hawk_bch_t f
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#define HAWK_SIZEOF_BCH_T HAWK_SIZEOF_CHAR
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#define HAWK_SIZEOF_BCI_T HAWK_SIZEOF_INT
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#if (defined(__cplusplus) && (defined(HAWK_USE_CPP_CHAR16_T) || (__cplusplus >= 201103L) || (defined(_MSC_VER) && _MSC_VER >= 1900))) /* user chosen or C++11 or later */
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#if (defined(__cplusplus) && (defined(HAWK_USE_CXX_CHAR16_T) || (__cplusplus >= 201103L) || (defined(_MSC_VER) && _MSC_VER >= 1900))) /* user chosen or C++11 or later */
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# if defined(HAWK_UNICODE_SIZE) && (HAWK_UNICODE_SIZE >= 4)
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typedef char32_t hawk_uch_t; /* char32_t is an unsigned integer type used for 16-bit wide characters */
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typedef char32_t hawk_uchu_t; /* same as hawk_uch_t as it is already unsigned */
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@ -428,11 +493,21 @@ typedef unsigned char hawk_bchu_t; /* unsigned version of hawk_bch_t f
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typedef hawk_uint32_t hawk_uchu_t;
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# define HAWK_SIZEOF_UCH_T 4
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// if this assertion becomes false, you must check if the size of the wchar_t type is the same as the size used
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// for this library.
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HAWK_STATIC_ASSERT (HAWK_UNICODE_SIZE == sizeof(hawk_uch_t));
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#elif defined(__cplusplus) && defined(HAWK_UNICODE_SIZE) && (HAWK_UNICODE_SIZE == 2) && (HAWK_SIZEOF_WCHAR_T == 2)
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typedef wchar_t hawk_uch_t;
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typedef hawk_uint16_t hawk_uchu_t;
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# define HAWK_SIZEOF_UCH_T 2
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// if the library is compiled with 2-byte wchar_t, and the library user compiles a program with 4-byte wchar_t,
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// there will be size disparity issue on the hawk_uch_t type.
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// if this assertion becomes false, you must check if the size of the wchar_t type is the same as the size used
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// for this library.
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HAWK_STATIC_ASSERT (HAWK_UNICODE_SIZE == sizeof(hawk_uch_t));
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#elif defined(HAWK_UNICODE_SIZE) && (HAWK_UNICODE_SIZE >= 4) && defined(__GNUC__) && defined(__CHAR32_TYPE__)
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typedef __CHAR32_TYPE__ hawk_uch_t;
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typedef hawk_uint32_t hawk_uchu_t;
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@ -989,52 +1064,8 @@ enum hawk_log_mask_t
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typedef enum hawk_log_mask_t hawk_log_mask_t;
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/* =========================================================================
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* MACROS THAT CHANGES THE BEHAVIORS OF THE C COMPILER/LINKER
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* MACROS THAT DETERMINES NUMERIC SIGN
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* =========================================================================*/
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#if defined(EMSCRIPTEN)
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# define HAWK_IMPORT
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# define HAWK_EXPORT EMSCRIPTEN_KEEPALIVE
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# define HAWK_PRIVATE
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#elif defined(__BORLANDC__) && (__BORLANDC__ < 0x500)
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# define HAWK_IMPORT
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# define HAWK_EXPORT
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# define HAWK_PRIVATE
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#elif defined(_WIN32) || (defined(__WATCOMC__) && (__WATCOMC__ >= 1000) && !defined(__WINDOWS_386__))
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# define HAWK_IMPORT __declspec(dllimport)
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# define HAWK_EXPORT __declspec(dllexport)
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# define HAWK_PRIVATE
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#elif defined(__GNUC__) && ((__GNUC__>= 4) || (__GNUC__ == 3 && __GNUC_MINOR__ >= 3))
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# define HAWK_IMPORT __attribute__((visibility("default")))
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# define HAWK_EXPORT __attribute__((visibility("default")))
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# define HAWK_PRIVATE __attribute__((visibility("hidden")))
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/*# define HAWK_PRIVATE __attribute__((visibility("internal")))*/
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#else
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# define HAWK_IMPORT
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# define HAWK_EXPORT
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# define HAWK_PRIVATE
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#endif
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#if defined(__cplusplus) || (defined(__STDC_VERSION__) && (__STDC_VERSION__>=199901L))
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/* C++/C99 has inline */
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# define HAWK_INLINE inline
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# define HAWK_HAVE_INLINE
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#elif defined(__GNUC__) && defined(__GNUC_GNU_INLINE__)
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/* gcc disables inline when -std=c89 or -ansi is used.
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* so use __inline__ supported by gcc regardless of the options */
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# define HAWK_INLINE /*extern*/ __inline__
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# define HAWK_HAVE_INLINE
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#else
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# define HAWK_INLINE
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# undef HAWK_HAVE_INLINE
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#endif
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#if defined(__GNUC__) && (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ > 4))
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# define HAWK_UNUSED __attribute__((__unused__))
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#else
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# define HAWK_UNUSED
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#endif
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/**
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* The HAWK_TYPE_IS_SIGNED() macro determines if a type is signed.
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* \code
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@ -1246,24 +1277,6 @@ typedef enum hawk_log_mask_t hawk_log_mask_t;
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#endif
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/* =========================================================================
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* STATIC ASSERTION
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* =========================================================================*/
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#define HAWK_STATIC_JOIN_INNER(x, y) x ## y
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#define HAWK_STATIC_JOIN(x, y) HAWK_STATIC_JOIN_INNER(x, y)
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#if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 201112L)
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# define HAWK_STATIC_ASSERT(expr) _Static_assert (expr, "invalid assertion")
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#elif defined(__cplusplus) && (__cplusplus >= 201103L)
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# define HAWK_STATIC_ASSERT(expr) static_assert (expr, "invalid assertion")
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#elif defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)
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# define HAWK_STATIC_ASSERT(expr) typedef char HAWK_STATIC_JOIN(HAWK_STATIC_ASSERT_T_, __LINE__)[(expr)? 1: -1] HAWK_UNUSED
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#else
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# define HAWK_STATIC_ASSERT(expr) do { typedef char HAWK_STATIC_JOIN(HAWK_STATIC_ASSERT_T_, __LINE__)[(expr)? 1: -1] HAWK_UNUSED; } while(0)
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#endif
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#define HAWK_STATIC_ASSERT_EXPR(expr) ((void)HAWK_SIZEOF(char[(expr)? 1: -1]))
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/* =========================================================================
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* ASSERTION
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* =========================================================================*/
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