252 static void *memsys3Checkout(u32 i, u32 nBlock){  in memsys3Checkout()  argument
256   assert( mem3.aPool[i-1].u.hdr.size4x/4==nBlock );  in memsys3Checkout()
257   assert( mem3.aPool[i+nBlock-1].u.hdr.prevSize==nBlock );  in memsys3Checkout()
259   mem3.aPool[i-1].u.hdr.size4x = nBlock*4 | 1 | (x&2);  in memsys3Checkout()
260   mem3.aPool[i+nBlock-1].u.hdr.prevSize = nBlock;  in memsys3Checkout()
261   mem3.aPool[i+nBlock-1].u.hdr.size4x |= 2;  in memsys3Checkout()
270 static void *memsys3FromKeyBlk(u32 nBlock){  in memsys3FromKeyBlk()  argument
272   assert( mem3.szKeyBlk>=nBlock );  in memsys3FromKeyBlk()
273   if( nBlock>=mem3.szKeyBlk-1 ){  in memsys3FromKeyBlk()
283     newi = mem3.iKeyBlk + mem3.szKeyBlk - nBlock;  in memsys3FromKeyBlk()
285     mem3.aPool[mem3.iKeyBlk+mem3.szKeyBlk-1].u.hdr.prevSize = nBlock;  in memsys3FromKeyBlk()
287     mem3.aPool[newi-1].u.hdr.size4x = nBlock*4 + 1;  in memsys3FromKeyBlk()
288     mem3.szKeyBlk -= nBlock;  in memsys3FromKeyBlk()
356   u32 nBlock;  in memsys3MallocUnsafe()  local
362     nBlock = 2;  in memsys3MallocUnsafe()
364     nBlock = (nByte + 11)/8;  in memsys3MallocUnsafe()
366   assert( nBlock>=2 );  in memsys3MallocUnsafe()
373   if( nBlock <= MX_SMALL ){  in memsys3MallocUnsafe()
374     i = mem3.aiSmall[nBlock-2];  in memsys3MallocUnsafe()
376       memsys3UnlinkFromList(i, &mem3.aiSmall[nBlock-2]);  in memsys3MallocUnsafe()
377       return memsys3Checkout(i, nBlock);  in memsys3MallocUnsafe()
380     int hash = nBlock % N_HASH;  in memsys3MallocUnsafe()
382       if( mem3.aPool[i-1].u.hdr.size4x/4==nBlock ){  in memsys3MallocUnsafe()
384         return memsys3Checkout(i, nBlock);  in memsys3MallocUnsafe()
393   if( mem3.szKeyBlk>=nBlock ){  in memsys3MallocUnsafe()
394     return memsys3FromKeyBlk(nBlock);  in memsys3MallocUnsafe()
405   for(toFree=nBlock*16; toFree<(mem3.nPool*16); toFree *= 2){  in memsys3MallocUnsafe()
420       if( mem3.szKeyBlk>=nBlock ){  in memsys3MallocUnsafe()
421         return memsys3FromKeyBlk(nBlock);  in memsys3MallocUnsafe()