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Try to untangle the logic in server_port_flush

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It's a bit confusing to have a loop where another function,
confusingly named "*_free", is responsible for advancing the loop
variable (or rather, for altering a structure so that the next time
the loop variable's initializer is evaluated it evaluates to something
different.)

Not only has this confused people: it's also confused coverity scan.
Let's fix that.
This commit is contained in:
Nick Mathewson 2010-01-25 14:09:58 -05:00
parent ab87b61a9d
commit 2590d733f4
1 changed files with 5 additions and 2 deletions
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7
src/or/eventdns.c
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@ -1293,8 +1293,8 @@ server_port_read(struct evdns_server_port *s) {
static void
server_port_flush(struct evdns_server_port *port)
{
while (port->pending_replies) {
struct server_request *req = port->pending_replies;
struct server_request *req = port->pending_replies;
while (req) {
ssize_t r = sendto(port->socket, req->response, req->response_len, 0,
(struct sockaddr*) &req->addr, (socklen_t)req->addrlen);
if (r < 0) {
@ -1306,6 +1306,9 @@ server_port_flush(struct evdns_server_port *port)
if (server_request_free(req)) {
/* we released the last reference to req->port. */
return;
} else {
assert(port->pending_replies != req);
req = port->pending_replies;
}
}