AuroraMiddleware/harfbuzz
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[blob] Implement sub_blob() in terms of create()

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Fixes problem with uninitialized sub_blob->mutex among other things.

Reported by Bradley Grainger.
This commit is contained in:
Behdad Esfahbod 2011-05-03 00:19:18 -04:00
parent fc52e9e44c
commit d4141a44b9
1 changed files with 5 additions and 7 deletions
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12
src/hb-blob.cc
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@ -127,16 +127,14 @@ hb_blob_create_sub_blob (hb_blob_t *parent,
pdata = hb_blob_lock (parent); pdata = hb_blob_lock (parent);
blob->data = pdata + offset;
blob->length = MIN (length, parent->length - offset);
hb_mutex_lock (parent->lock); hb_mutex_lock (parent->lock);
blob->mode = parent->mode; blob = hb_blob_create (pdata + offset,
MIN (length, parent->length - offset),
parent->mode,
hb_blob_reference (parent),
(hb_destroy_func_t) _hb_blob_unlock_and_destroy);
hb_mutex_unlock (parent->lock); hb_mutex_unlock (parent->lock);
blob->user_data = hb_blob_reference (parent);
blob->destroy = (hb_destroy_func_t) _hb_blob_unlock_and_destroy;
return blob; return blob;
} }