cuberite/libevent
1
0
Fork 0
mirror of https://github.com/cuberite/libevent.git synced 2025-09-12 05:48:51 -04:00
Code Issues Packages Projects Releases Wiki Activity

evdns: fix a bug in circular-queue implementation

Browse Source 
found by Wang Qin
This commit is contained in:
Nick Mathewson 2012-02-01 14:56:43 -05:00
parent 9f9e259fda
commit d6094b160f
1 changed files with 2 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
evdns.c
View File

@ -167,6 +167,7 @@ struct request {
struct nameserver *ns; /* the server which we last sent it */ struct nameserver *ns; /* the server which we last sent it */
/* these objects are kept in a circular list */ /* these objects are kept in a circular list */
/* XXX We could turn this into a CIRCLEQ. */
struct request *next, *prev; struct request *next, *prev;
struct event timeout_event; struct event timeout_event;
@ -2472,9 +2473,7 @@ _evdns_nameserver_add_impl(struct evdns_base *base, const struct sockaddr *addre
ns->next = base->server_head->next; ns->next = base->server_head->next;
ns->prev = base->server_head; ns->prev = base->server_head;
base->server_head->next = ns; base->server_head->next = ns;
if (base->server_head->prev == base->server_head) { ns->next->prev = ns;
base->server_head->prev = ns;
}
} }
base->global_good_nameservers++; base->global_good_nameservers++;