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dict.c: avoid code repetition in dictRehash().

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Avoid code repetition introduced with PR #2367, also fixes the return
value to always return 0 if there is nothing more to rehash.
This commit is contained in:
antirez 2015-02-06 10:48:13 +01:00
parent 2385630d0d
commit f25fdd6246
1 changed files with 6 additions and 11 deletions
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17
src/dict.c
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@ -246,18 +246,9 @@ int dictRehash(dict *d, int n) {
int empty_visits = n*10; /* Max number of empty buckets to visit. */
if (!dictIsRehashing(d)) return 0;
while(n--) {
while(n-- && d->ht[0].used != 0) {
dictEntry *de, *nextde;
/* Check if we already rehashed the whole table... */
if (d->ht[0].used == 0) {
zfree(d->ht[0].table);
d->ht[0] = d->ht[1];
_dictReset(&d->ht[1]);
d->rehashidx = -1;
return 0;
}
/* Note that rehashidx can't overflow as we are sure there are more
* elements because ht[0].used != 0 */
assert(d->ht[0].size > (unsigned long)d->rehashidx);
@ -282,13 +273,17 @@ int dictRehash(dict *d, int n) {
d->ht[0].table[d->rehashidx] = NULL;
d->rehashidx++;
}
/* Check again if we already rehashed the whole table... */
/* Check if we already rehashed the whole table... */
if (d->ht[0].used == 0) {
zfree(d->ht[0].table);
d->ht[0] = d->ht[1];
_dictReset(&d->ht[1]);
d->rehashidx = -1;
return 0;
}
/* More to rehash... */
return 1;
}