More commenting of zslUpdateScore().

This commit is contained in:
antirez 2018-08-01 18:54:15 +02:00
parent f8d849930f
commit 159f8b6628

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@ -259,6 +259,8 @@ zskiplistNode *zslUpdateScore(zskiplist *zsl, double curscore, sds ele, double n
zskiplistNode *update[ZSKIPLIST_MAXLEVEL], *x; zskiplistNode *update[ZSKIPLIST_MAXLEVEL], *x;
int i; int i;
/* We need to seek to element to update to start: this is useful anyway,
* we'll have to update or remove it. */
x = zsl->header; x = zsl->header;
for (i = zsl->level-1; i >= 0; i--) { for (i = zsl->level-1; i >= 0; i--) {
while (x->level[i].forward && while (x->level[i].forward &&