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Remove malloc_find_address relic

* src/gmalloc.c (register_heapinfo, _malloc_internal_nolock):
Omit unnecessary initialization.
This commit is contained in:
Paul Eggert 2017-06-21 11:49:48 -07:00
parent ac1ceadce8
commit b7dfd39c8b

View file

@ -144,8 +144,7 @@ typedef union
size_t first; /* First free fragment of the block. */
} frag;
/* For a large object, in its first block, this has the number
of blocks in the object. In the other blocks, this has a
negative number which says how far back the first block is. */
of blocks in the object. */
ptrdiff_t size;
} info;
} busy;
@ -493,9 +492,6 @@ register_heapinfo (void)
/* Describe the heapinfo block itself in the heapinfo. */
_heapinfo[block].busy.type = -1;
_heapinfo[block].busy.info.size = blocks;
/* Leave back-pointers for malloc_find_address. */
while (--blocks > 0)
_heapinfo[block + blocks].busy.info.size = -blocks;
}
#ifdef USE_PTHREAD
@ -887,12 +883,6 @@ _malloc_internal_nolock (size_t size)
++_chunks_used;
_bytes_used += blocks * BLOCKSIZE;
_bytes_free -= blocks * BLOCKSIZE;
/* Mark all the blocks of the object just allocated except for the
first with a negative number so you can find the first block by
adding that adjustment. */
while (--blocks > 0)
_heapinfo[block + blocks].busy.info.size = -blocks;
}
PROTECT_MALLOC_STATE (1);