r13822@catbus: nickm | 2007-07-18 16:43:39 -0400

Tweak a couple of loop-related variables to make the gcc 4.2 -Wstrict-overflow warning happy.


svn:r10874
This commit is contained in:
Nick Mathewson 2007-07-18 20:46:14 +00:00
parent d920683718
commit 5e6f05bc31

View File

@ -1283,7 +1283,7 @@ smartlist_choose_by_bandwidth(smartlist_t *sl, int for_exit, int statuses)
/* Last, count through sl until we get to the element we picked */
tmp = 0;
for (i=0; i < smartlist_len(sl); i++) {
for (i=0; i < smartlist_len(sl) && tmp < rand_bw; i++) {
if (statuses) {
status = smartlist_get(sl, i);
is_exit = status->is_exit;
@ -1295,11 +1295,10 @@ smartlist_choose_by_bandwidth(smartlist_t *sl, int for_exit, int statuses)
tmp += ((uint64_t)(bandwidths[i] * exit_weight));
else
tmp += bandwidths[i];
if (tmp >= rand_bw)
break;
}
if (i == smartlist_len(sl)) {
if (tmp < rand_bw) {
/* This is possible due to round-off error. */
tor_assert(i == smartlist_len(sl));
--i;
log_warn(LD_BUG, "Round-off error in computing bandwidth had an effect on "
" which router we chose. Please tell the developers.");
@ -2570,8 +2569,8 @@ static void
routerlist_remove_old_cached_routers_with_id(time_t cutoff, int lo, int hi,
digestmap_t *retain)
{
int i, n = hi-lo+1, n_extra;
int n_rmv = 0;
int i, n = hi-lo+1;
unsigned n_extra, n_rmv = 0;
struct duration_idx_t *lifespans;
uint8_t *rmv, *must_keep;
smartlist_t *lst = routerlist->old_routers;
@ -2587,9 +2586,12 @@ routerlist_remove_old_cached_routers_with_id(time_t cutoff, int lo, int hi,
#endif
/* Check whether we need to do anything at all. */
n_extra = n - max_descriptors_per_router();
if (n_extra <= 0)
return;
{
int mdpr = max_descriptors_per_router();
if (n <= mdpr)
return;
n_extra = n - mdpr;
}
lifespans = tor_malloc_zero(sizeof(struct duration_idx_t)*n);
rmv = tor_malloc_zero(sizeof(uint8_t)*n);