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hb.hh from master

This commit is contained in:
Michiharu Ariza 2019-03-30 11:50:24 -07:00
parent 3bfd3a367c
commit 8f2ce82f76
1 changed files with 0 additions and 53 deletions
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53
src/hb.hh
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@ -215,59 +215,6 @@ extern "C" int hb_memalign_impl(void **memptr, size_t alignment, size_t size);
* Compiler attributes
*/
/* https://github.com/harfbuzz/harfbuzz/issues/1634 */
#if __cplusplus < 201103L && !defined(_MSC_VER)
#ifndef nullptr
#define nullptr NULL
#endif
#ifndef constexpr
#define constexpr const
#endif
#ifndef static_assert
#define static_assert(e, msg) \
HB_UNUSED typedef int HB_PASTE(static_assertion_failed_at_line_, __LINE__) [(e) ? 1 : -1]
#endif // static_assert
#if defined(__GNUC__)
#if (__GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 8))
#define thread_local __thread
#endif
#else
#define thread_local
#endif
template <typename T>
struct _hb_alignof
{
struct s
{
char c;
T t;
};
static constexpr size_t value = offsetof (s, t);
};
#ifndef alignof
#define alignof(x) (_hb_alignof<x>::value)
#endif
/* https://github.com/harfbuzz/harfbuzz/issues/1127 */
#ifndef explicit_operator
#define explicit_operator operator
#endif
#else /* __cplusplus >= 201103L */
/* https://github.com/harfbuzz/harfbuzz/issues/1127 */
#ifndef explicit_operator
#define explicit_operator explicit operator
#endif
#endif /* __cplusplus < 201103L */
#if (defined(__GNUC__) || defined(__clang__)) && defined(__OPTIMIZE__)
#define likely(expr) (__builtin_expect (!!(expr), 1))
#define unlikely(expr) (__builtin_expect (!!(expr), 0))