提交 50e0273a 编写于 作者: B Behdad Esfahbod

Change hb_assert_unsigned_t<> to hb_is_signed<>

上级 c3a8b047
......@@ -287,11 +287,15 @@ hb_ceil_to_4 (unsigned int v)
return ((v - 1) | 3) + 1;
}
template <typename T> class hb_assert_unsigned_t;
template <> class hb_assert_unsigned_t<unsigned char> {};
template <> class hb_assert_unsigned_t<unsigned short> {};
template <> class hb_assert_unsigned_t<unsigned int> {};
template <> class hb_assert_unsigned_t<unsigned long> {};
template <typename T> struct hb_is_signed;
template <> struct hb_is_signed<signed char> { enum { value = true }; };
template <> struct hb_is_signed<signed short> { enum { value = true }; };
template <> struct hb_is_signed<signed int> { enum { value = true }; };
template <> struct hb_is_signed<signed long> { enum { value = true }; };
template <> struct hb_is_signed<unsigned char> { enum { value = false }; };
template <> struct hb_is_signed<unsigned short> { enum { value = false }; };
template <> struct hb_is_signed<unsigned int> { enum { value = false }; };
template <> struct hb_is_signed<unsigned long> { enum { value = false }; };
template <typename T> static inline bool
hb_in_range (T u, T lo, T hi)
......@@ -301,7 +305,7 @@ hb_in_range (T u, T lo, T hi)
* one right now. Declaring a variable won't work as HB_UNUSED
* is unusable on some platforms and unused types are less likely
* to generate a warning than unused variables. */
static_assert ((sizeof (hb_assert_unsigned_t<T>) >= 0), "");
static_assert (!hb_is_signed<T>::value, "");
/* The casts below are important as if T is smaller than int,
* the subtract results will become a signed int! */
......
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