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Fix suboptimal heap chunk spliting.

This commit is contained in:
Jonas 'Sortie' Termansen 2014-05-15 15:03:54 +02:00
parent 4283d90102
commit 73cea916d9
1 changed files with 4 additions and 3 deletions
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7
libc/stdlib/heap.cpp
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@ -1,6 +1,6 @@
/*******************************************************************************
Copyright(C) Jonas 'Sortie' Termansen 2011, 2012, 2013.
Copyright(C) Jonas 'Sortie' Termansen 2011, 2012, 2013, 2014.
This file is part of the Sortix C Library.
@ -493,9 +493,10 @@ extern "C" void* malloc(size_t size)
assert(!bins[binindex] || bins[binindex]->IsSane());
// If we don't use the entire chunk.
if ( OVERHEAD <= binsize - size )
size_t original_chunk_size = chunk->size;
if ( OVERHEAD <= original_chunk_size - size )
{
size_t left = binsize - size;
size_t left = original_chunk_size - size;
chunk->size -= left;
chunk->GetTrailer()->size = chunk->size;