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Revert "Make sure we make progress in OOM situations" 

This reverts commit 68b507a3c3.

Commit abadc1717d provides a better
fix for this.
This commit is contained in:
Behdad Esfahbod 2015-11-19 11:50:58 -08:00
parent e1118aeac3
commit 18e1c6b6ef
2 changed files with 13 additions and 25 deletions
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7
src/hb-buffer-private.hh
View File

@ -175,12 +175,15 @@ struct hb_buffer_t {
{
if (unlikely (out_info != info || out_len != idx)) {
if (unlikely (!make_room_for (1, 1)))
goto done;
{
idx++; // So we don't hang indefinitely...
return;
}
out_info[out_len] = info[idx];
}
out_len++;
}
done:
idx++;
}

31
src/hb-buffer.cc
View File

@ -324,9 +324,7 @@ hb_buffer_t::replace_glyphs (unsigned int num_in,
unsigned int num_out,
const uint32_t *glyph_data)
{
if (unlikely (!make_room_for (num_in, num_out)))
goto done;
{
if (unlikely (!make_room_for (num_in, num_out))) return;
merge_clusters (idx, idx + num_in);
@ -339,50 +337,39 @@ hb_buffer_t::replace_glyphs (unsigned int num_in,
pinfo++;
}
out_len += num_out;
}
done:
idx += num_in;
out_len += num_out;
}
void
hb_buffer_t::output_glyph (hb_codepoint_t glyph_index)
{
if (unlikely (!make_room_for (0, 1)))
goto done;
if (unlikely (!make_room_for (0, 1))) return;
out_info[out_len] = info[idx];
out_info[out_len].codepoint = glyph_index;
out_len++;
done:
;
}
void
hb_buffer_t::output_info (const hb_glyph_info_t &glyph_info)
{
if (unlikely (!make_room_for (0, 1)))
goto done;
if (unlikely (!make_room_for (0, 1))) return;
out_info[out_len] = glyph_info;
out_len++;
done:
;
}
void
hb_buffer_t::copy_glyph (void)
{
if (unlikely (!make_room_for (0, 1)))
goto done;
if (unlikely (!make_room_for (0, 1))) return;
out_info[out_len] = info[idx];
out_len++;
done:
;
}
bool
@ -400,7 +387,7 @@ hb_buffer_t::move_to (unsigned int i)
if (out_len < i)
{
unsigned int count = i - out_len;
if (unlikely (!make_room_for (count, count))) return false; // XXX verify bailout
if (unlikely (!make_room_for (count, count))) return false;
memmove (out_info + out_len, info + idx, count * sizeof (out_info[0]));
idx += count;
@ -427,15 +414,13 @@ void
hb_buffer_t::replace_glyph (hb_codepoint_t glyph_index)
{
if (unlikely (out_info != info || out_len != idx)) {
if (unlikely (!make_room_for (1, 1)))
goto out;
if (unlikely (!make_room_for (1, 1))) return;
out_info[out_len] = info[idx];
}
out_info[out_len].codepoint = glyph_index;
out_len++;
out:
idx++;
out_len++;
}