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Fix hang in OOM situations 

Fixes https://github.com/behdad/harfbuzz/issues/161
This commit is contained in:
Behdad Esfahbod 2015-11-05 23:52:41 -08:00
parent f92bd86cc8
commit f0599db761
1 changed files with 5 additions and 1 deletions
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6
src/hb-buffer-private.hh
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@ -174,7 +174,11 @@ struct hb_buffer_t {
if (have_output) if (have_output)
{ {
if (unlikely (out_info != info || out_len != idx)) { if (unlikely (out_info != info || out_len != idx)) {
if (unlikely (!make_room_for (1, 1))) return; if (unlikely (!make_room_for (1, 1)))
{
idx++; // So we don't hang indefinitely...
return;
}
out_info[out_len] = info[idx]; out_info[out_len] = info[idx];
} }
out_len++; out_len++;