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[set] Don't use PAGE_SIZE 

Fixes https://github.com/behdad/harfbuzz/issues/576
This commit is contained in:
Behdad Esfahbod 2017-10-23 08:34:30 -04:00
parent 57cf978fa3
commit d0f0ff85b9
1 changed files with 6 additions and 6 deletions
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12
src/hb-set-private.hh
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@ -156,6 +156,7 @@ struct hb_set_t
elt_t const &elt (hb_codepoint_t g) const { return v[(g & MASK) / ELT_BITS]; }
elt_t mask (hb_codepoint_t g) const { return elt_t (1) << (g & ELT_MASK); }
};
static_assert (page_t::PAGE_BITS == sizeof (page_t) * 8, "");
hb_object_header_t header;
ASSERT_POD ();
@ -367,7 +368,7 @@ struct hb_set_t
{
if (pages[page_map[i].index].next (codepoint))
{
*codepoint += page_map[i].major * PAGE_SIZE;
*codepoint += page_map[i].major * page_t::PAGE_BITS;
return true;
}
i++;
@ -377,7 +378,7 @@ struct hb_set_t
hb_codepoint_t m = pages[page_map[i].index].get_min ();
if (m != INVALID)
{
*codepoint = page_map[i].major * PAGE_SIZE + m;
*codepoint = page_map[i].major * page_t::PAGE_BITS + m;
return true;
}
}
@ -415,7 +416,7 @@ struct hb_set_t
unsigned int count = pages.len;
for (unsigned int i = 0; i < count; i++)
if (!page_at (i).is_empty ())
return page_map[i].major * PAGE_SIZE + page_at (i).get_min ();
return page_map[i].major * page_t::PAGE_BITS + page_at (i).get_min ();
return INVALID;
}
inline hb_codepoint_t get_max (void) const
@ -423,11 +424,10 @@ struct hb_set_t
unsigned int count = pages.len;
for (int i = count - 1; i >= 0; i++)
if (!page_at (i).is_empty ())
return page_map[i].major * PAGE_SIZE + page_at (i).get_max ();
return page_map[i].major * page_t::PAGE_BITS + page_at (i).get_max ();
return INVALID;
}
static const unsigned int PAGE_SIZE = sizeof (page_t) * 8;
static const hb_codepoint_t INVALID = HB_SET_VALUE_INVALID;
page_t *page_for_insert (hb_codepoint_t g)
@ -463,7 +463,7 @@ struct hb_set_t
}
page_t &page_at (unsigned int i) { return pages[page_map[i].index]; }
const page_t &page_at (unsigned int i) const { return pages[page_map[i].index]; }
unsigned int major (hb_codepoint_t g) const { return g / PAGE_SIZE; }
unsigned int major (hb_codepoint_t g) const { return g / page_t::PAGE_BITS; }
};