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dict.c: prevent useless resize to same size.

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Related to issue #2306.
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antirez
2015-02-05 10:42:09 +01:00
parent 6bda18ff1e
commit 7e5031ea18
1 changed files with 3 additions and 0 deletions
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3
src/dict.c
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@ -211,6 +211,9 @@ int dictExpand(dict *d, unsigned long size)
if (dictIsRehashing(d) || d->ht[0].used > size)
return DICT_ERR;
/* Rehashing to the same table size is not useful. */
if (realsize == d->ht[0].size) return DICT_ERR;
/* Allocate the new hash table and initialize all pointers to NULL */
n.size = realsize;
n.sizemask = realsize-1;