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Diffstat (limited to 'common/dlmalloc.c')
-rw-r--r--common/dlmalloc.c21
1 files changed, 11 insertions, 10 deletions
diff --git a/common/dlmalloc.c b/common/dlmalloc.c
index c51351e..4a18562 100644
--- a/common/dlmalloc.c
+++ b/common/dlmalloc.c
@@ -1457,7 +1457,7 @@ typedef struct malloc_chunk* mbinptr;
indexing, maintain locality, and avoid some initialization tests.
*/
-#define top (bin_at(0)->fd) /* The topmost chunk */
+#define top (av_[2]) /* The topmost chunk */
#define last_remainder (bin_at(1)) /* remainder from last split */
@@ -1552,13 +1552,14 @@ void malloc_bin_reloc (void)
#define BINBLOCKWIDTH 4 /* bins per block */
-#define binblocks (bin_at(0)->size) /* bitvector of nonempty blocks */
+#define binblocks_r ((INTERNAL_SIZE_T)av_[1]) /* bitvector of nonempty blocks */
+#define binblocks_w (av_[1])
/* bin<->block macros */
#define idx2binblock(ix) ((unsigned)1 << (ix / BINBLOCKWIDTH))
-#define mark_binblock(ii) (binblocks |= idx2binblock(ii))
-#define clear_binblock(ii) (binblocks &= ~(idx2binblock(ii)))
+#define mark_binblock(ii) (binblocks_w = (mbinptr)(binblocks_r | idx2binblock(ii)))
+#define clear_binblock(ii) (binblocks_w = (mbinptr)(binblocks_r & ~(idx2binblock(ii))))
@@ -2250,17 +2251,17 @@ Void_t* mALLOc(bytes) size_t bytes;
search for best fitting chunk by scanning bins in blockwidth units.
*/
- if ( (block = idx2binblock(idx)) <= binblocks)
+ if ( (block = idx2binblock(idx)) <= binblocks_r)
{
/* Get to the first marked block */
- if ( (block & binblocks) == 0)
+ if ( (block & binblocks_r) == 0)
{
/* force to an even block boundary */
idx = (idx & ~(BINBLOCKWIDTH - 1)) + BINBLOCKWIDTH;
block <<= 1;
- while ((block & binblocks) == 0)
+ while ((block & binblocks_r) == 0)
{
idx += BINBLOCKWIDTH;
block <<= 1;
@@ -2315,7 +2316,7 @@ Void_t* mALLOc(bytes) size_t bytes;
{
if ((startidx & (BINBLOCKWIDTH - 1)) == 0)
{
- binblocks &= ~block;
+ av_[1] = (mbinptr)(binblocks_r & ~block);
break;
}
--startidx;
@@ -2324,9 +2325,9 @@ Void_t* mALLOc(bytes) size_t bytes;
/* Get to the next possibly nonempty block */
- if ( (block <<= 1) <= binblocks && (block != 0) )
+ if ( (block <<= 1) <= binblocks_r && (block != 0) )
{
- while ((block & binblocks) == 0)
+ while ((block & binblocks_r) == 0)
{
idx += BINBLOCKWIDTH;
block <<= 1;