Details
BINMAPSHIFT
#define BINMAPSHIFT 5
BINMAPSIZE
#define BINMAPSIZE (NBINS / BITSPERMAP)
BITSPERMAP
#define BITSPERMAP (1U << BINMAPSHIFT)
CAN_DEBUG_ALLOCS
#define CAN_DEBUG_ALLOCS (wf != NULL)
CAPSULE_MALLOC_EXTRA_CHECKS
#define CAPSULE_MALLOC_EXTRA_CHECKS
DEBUG_MALLOC_VOODOO
#define DEBUG_MALLOC_VOODOO 0
DEFAULT_MMAP_THRESHOLD_MAX
# define DEFAULT_MMAP_THRESHOLD_MAX (512 * 1024)
FETCH_FPUTS
#define FETCH_FPUTS()
HEAP_MAX_SIZE
# define HEAP_MAX_SIZE (2 * DEFAULT_MMAP_THRESHOLD_MAX)
HEAP_MIN_SIZE
#define HEAP_MIN_SIZE (32 * 1024)
IS_MMAPPED
#define IS_MMAPPED 0x2
MALLOC_ALIGNMENT
#define MALLOC_ALIGNMENT
MALLOC_ALIGN_MASK
#define MALLOC_ALIGN_MASK (MALLOC_ALIGNMENT - 1)
MAX_FAST_SIZE
#define MAX_FAST_SIZE (80 * SIZE_SZ / 4)
MIN_CHUNK_SIZE
#define MIN_CHUNK_SIZE (offsetof(struct malloc_chunk, fd_nextsize))
NFASTBINS
#define NFASTBINS (fastbin_index (request2size (MAX_FAST_SIZE)) + 1)
NONCONTIGUOUS_BIT
#define NONCONTIGUOUS_BIT (2U)
NON_MAIN_ARENA
#define NON_MAIN_ARENA 0x4
PREV_INUSE
#define PREV_INUSE 0x1
SIZE_BITS
#define SIZE_BITS (PREV_INUSE | IS_MMAPPED | NON_MAIN_ARENA)
SIZE_SZ
#define SIZE_SZ (sizeof(size_t))
arena_for_chunk()
#define arena_for_chunk(ptr)
c
size_t c = (x >> ((((sizeof(long) * 2) - 1) - i) * 4)) & 0b01111;
chunk2mem()
#define chunk2mem(p) ((void*)((char*)(p) + 2*SIZE_SZ))
chunk_at_offset()
#define chunk_at_offset(p, s) ((mchunkptr) (((char *) (p)) + (s)))
chunk_is_mmapped()
#define chunk_is_mmapped(p) ((p)->size & IS_MMAPPED)
chunk_non_main_arena()
#define chunk_non_main_arena(p) ((p)->size & NON_MAIN_ARENA)
chunksize()
#define chunksize(p) ((p)->size & ~(SIZE_BITS))
contiguous()
#define contiguous(M) (((M)->flags & NONCONTIGUOUS_BIT) == 0)
dump_ptr()
#define dump_ptr(a,b)
fastbin()
#define fastbin(ar_ptr, idx) ((ar_ptr)->fastbinsY[idx])
fastbin_index()
#define fastbin_index(sz)
fputsfunc ()
int (*fputsfunc) (const char *buf
,
FILE *s
);
heap_for_ptr()
#define heap_for_ptr(ptr)
mchunkptr
typedef struct malloc_chunk* mchunkptr;
mem2chunk()
#define mem2chunk(mem) ((mchunkptr)((char*)(mem) - 2*SIZE_SZ))
mfastbinptr
typedef struct malloc_chunk *mfastbinptr;
mstate
typedef struct malloc_state *mstate;
mutex_t
typedef int mutex_t;
noncontiguous()
#define noncontiguous(M) (((M)->flags & NONCONTIGUOUS_BIT) != 0)
request2size()
#define request2size(req)
start
ssize_t start = sizeof(long) * 2;
x
unsigned long x = (unsigned long) ptr;