u-boot-2021.07/common/dlmalloc.c

368 #define SIZE_SZ                (sizeof(INTERNAL_SIZE_T))  macro
369 #define MALLOC_ALIGNMENT       (SIZE_SZ + SIZE_SZ)
375 #define chunk2mem(p)   ((Void_t*)((char*)(p) + 2*SIZE_SZ))
376 #define mem2chunk(mem) ((mchunkptr)((char*)(mem) - 2*SIZE_SZ))
381  (((long)((req) + (SIZE_SZ + MALLOC_ALIGN_MASK)) < \
383    (((req) + (SIZE_SZ + MALLOC_ALIGN_MASK)) & ~(MALLOC_ALIGN_MASK)))
530 #define bin_at(i)      ((mbinptr)((char*)&(av_[2*(i) + 2]) - 2*SIZE_SZ))
829     assert(sz == SIZE_SZ);
999   size = (size + SIZE_SZ + page_mask) & ~page_mask;
1078   new_size = (new_size + offset + SIZE_SZ + page_mask) & ~page_mask;
1197       old_top_size = (old_top_size - 3*SIZE_SZ) & ~MALLOC_ALIGN_MASK;
1200 	SIZE_SZ|PREV_INUSE;
1201       chunk_at_offset(old_top, old_top_size + SIZE_SZ)->size =
1202 	SIZE_SZ|PREV_INUSE;
1753     if(oldsize - SIZE_SZ >= nb) return oldmem; /* do nothing */
1758     MALLOC_COPY(newmem, oldmem, oldsize - 2*SIZE_SZ);
1823 	    MALLOC_COPY(newmem, oldmem, oldsize - SIZE_SZ);
1839 	  MALLOC_COPY(newmem, oldmem, oldsize - SIZE_SZ);
1851 	MALLOC_COPY(newmem, oldmem, oldsize - SIZE_SZ);
1874     MALLOC_COPY(newmem, oldmem, oldsize - SIZE_SZ);
2161     MALLOC_ZERO(mem, csz - SIZE_SZ);
2294       return chunksize(p) - SIZE_SZ;
2296     return chunksize(p) - 2*SIZE_SZ;