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[type42] Fix new memory leak. 

We need to inverse inheritance of FT_GlyphSlot_Internal so that we
have a chance to free the rendered bitmap from the parent slot.

* src/type42/t42objs.c (T42_GlyphSlot_Init): Remove the internal parts
of the child `ttslot' and replace it with the parent structure.
(T42_GlyphSlot_Done): Updated accordingly.
This commit is contained in:
Alexei Podtelezhnikov 2021-06-12 22:33:08 -04:00
parent db0f2c448e
commit 8336d53cff
2 changed files with 15 additions and 4 deletions
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11
ChangeLog
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@ -1,3 +1,14 @@
2021-06-12 Alexei Podtelezhnikov <apodtele@gmail.com>
[type42] Fix new memory leak.
We need to inverse inheritance of FT_GlyphSlot_Internal so that we
have a chance to free the rendered bitmap from the parent slot.
* src/type42/t42objs.c (T42_GlyphSlot_Init): Remove the internal parts
of the child `ttslot' and replace it with the parent structure.
(T42_GlyphSlot_Done): Updated accordingly.
2021-06-12 Werner Lemberg <wl@gnu.org>
[psaux] Fix another assertion.

8
src/type42/t42objs.c
View File

@ -600,9 +600,9 @@
}
/* share the loader so that the autohinter can see it */
FT_GlyphLoader_Done( t42slot->internal->loader );
FT_FREE( t42slot->internal );
t42slot->internal = slot->ttslot->internal;
FT_GlyphLoader_Done( slot->ttslot->internal->loader );
FT_FREE( slot->ttslot->internal );
slot->ttslot->internal = t42slot->internal;
return error;
}
@ -614,8 +614,8 @@
T42_GlyphSlot slot = (T42_GlyphSlot)t42slot;
slot->ttslot->internal = NULL;
FT_Done_GlyphSlot( slot->ttslot );
t42slot->internal = NULL;
}