Jinoh Kang (@iamahuman) commented about dlls/ntdll/heap.c:
+ (bin) >= 0x50 ? BLOCK_BIN_SIZE_N( 5, bin - 0x50 ) : \ + (bin) >= 0x40 ? BLOCK_BIN_SIZE_N( 4, bin - 0x40 ) : \ + (bin) >= 0x30 ? BLOCK_BIN_SIZE_N( 3, bin - 0x30 ) : \ + (bin) >= 0x20 ? BLOCK_BIN_SIZE_N( 2, bin - 0x20 ) : \ + (bin) >= 0x10 ? BLOCK_BIN_SIZE_N( 1, bin - 0x10 ) : \ + BLOCK_BIN_SIZE_N( 0, bin - 0x00 )) + +#define BLOCK_SIZE_BIN( size ) ((size) > BIN_SIZE_MAX ? 0x80 : \ + (size) > BIN_SIZE_MIN_7 ? 0x70 + BLOCK_SIZE_BIN_N( 7, size ) : \ + (size) > BIN_SIZE_MIN_6 ? 0x60 + BLOCK_SIZE_BIN_N( 6, size ) : \ + (size) > BIN_SIZE_MIN_5 ? 0x50 + BLOCK_SIZE_BIN_N( 5, size ) : \ + (size) > BIN_SIZE_MIN_4 ? 0x40 + BLOCK_SIZE_BIN_N( 4, size ) : \ + (size) > BIN_SIZE_MIN_3 ? 0x30 + BLOCK_SIZE_BIN_N( 3, size ) : \ + (size) > BIN_SIZE_MIN_2 ? 0x20 + BLOCK_SIZE_BIN_N( 2, size ) : \ + (size) > BIN_SIZE_MIN_1 ? 0x10 + BLOCK_SIZE_BIN_N( 1, size ) : \ + (size) > BIN_SIZE_MIN_0 ? 0x0 + BLOCK_SIZE_BIN_N( 0, size ) : 0) You use `0x00` above for `BLOCK_BIN_SIZE`, so I guess this one should use `0x00` as well for consistency?
(size) > BIN_SIZE_MIN_0 ? 0x00 + BLOCK_SIZE_BIN_N( 0, size ) : 0)
-- https://gitlab.winehq.org/wine/wine/-/merge_requests/1628#note_23831