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ntdll: Fill the tail of existing large blocks when the debug flags change.

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This commit is contained in:
Alexandre Julliard 2010-01-26 16:06:59 +01:00
parent dedabe9d54
commit aa409c75f9
1 changed files with 5 additions and 0 deletions
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5
dlls/ntdll/heap.c
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@ -1341,6 +1341,7 @@ void heap_set_debug_flags( HANDLE handle )
if (flags & (HEAP_FREE_CHECKING_ENABLED | HEAP_TAIL_CHECKING_ENABLED)) /* fix existing blocks */
{
SUBHEAP *subheap;
ARENA_LARGE *large;
LIST_FOR_EACH_ENTRY( subheap, &heap->subheap_list, SUBHEAP, entry )
{
@ -1367,6 +1368,10 @@ void heap_set_debug_flags( HANDLE handle )
}
}
}
LIST_FOR_EACH_ENTRY( large, &heap->large_list, ARENA_LARGE, entry )
mark_block_tail( (char *)(large + 1) + large->data_size,
large->block_size - sizeof(*large) - large->data_size, flags );
}
}