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added missing files;change config for bug #374441

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This commit is contained in:
Andreas Rumpf 2009-05-10 22:35:58 +02:00
commit c7e144f978
11 changed files with 324 additions and 15 deletions
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6
lib/alloc.nim
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@ -493,6 +493,10 @@ proc rawDealloc(a: var TAllocator, p: pointer) =
f.zeroField = 0
f.next = c.freeList
c.freeList = f
when overwriteFree:
# set to 0xff to check for usage after free bugs:
c_memset(cast[pointer](cast[int](p) +% sizeof(TFreeCell)), -1'i32,
s -% sizeof(TFreeCell))
# check if it is not in the freeSmallChunks[s] list:
if c.free < s:
assert c notin a.freeSmallChunks[s div memAlign]
@ -506,6 +510,8 @@ proc rawDealloc(a: var TAllocator, p: pointer) =
c.size = SmallChunkSize
freeBigChunk(a, cast[PBigChunk](c))
else:
# set to 0xff to check for usage after free bugs:
when overwriteFree: c_memset(p, -1'i32, c.size -% bigChunkOverhead())
# free big chunk
freeBigChunk(a, cast[PBigChunk](c))