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-rw-r--r--src/or/policies.c58
-rw-r--r--src/or/policies.h2
-rw-r--r--src/or/routerlist.c2
-rw-r--r--src/test/test_policy.c8
4 files changed, 35 insertions, 35 deletions
diff --git a/src/or/policies.c b/src/or/policies.c
index 6037ee311e..28770bb38d 100644
--- a/src/or/policies.c
+++ b/src/or/policies.c
@@ -1198,48 +1198,48 @@ policies_parse_from_options(const or_options_t *options)
return ret;
}
-/** Compare two provided address policy items, and return -1, 0, or 1
+/** Compare two provided address policy items, and renturn -1, 0, or 1
* if the first is less than, equal to, or greater than the second. */
static int
-cmp_single_addr_policy(addr_policy_t *a, addr_policy_t *b)
+single_addr_policy_eq(const addr_policy_t *a, const addr_policy_t *b)
{
int r;
- if ((r=((int)a->policy_type - (int)b->policy_type)))
- return r;
- if ((r=((int)a->is_private - (int)b->is_private)))
- return r;
+#define CMP_FIELD(field) do { \
+ if (a->field != b->field) { \
+ return 0; \
+ } \
+ } while (0)
+ CMP_FIELD(policy_type);
+ CMP_FIELD(is_private);
/* refcnt and is_canonical are irrelevant to equality,
* they are hash table implementation details */
if ((r=tor_addr_compare(&a->addr, &b->addr, CMP_EXACT)))
- return r;
- if ((r=((int)a->maskbits - (int)b->maskbits)))
- return r;
- if ((r=((int)a->prt_min - (int)b->prt_min)))
- return r;
- if ((r=((int)a->prt_max - (int)b->prt_max)))
- return r;
- return 0;
+ return 0;
+ CMP_FIELD(maskbits);
+ CMP_FIELD(prt_min);
+ CMP_FIELD(prt_max);
+#undef CMP_FIELD
+ return 1;
}
-/** Like cmp_single_addr_policy() above, but looks at the
- * whole set of policies in each case. */
+/** As single_addr_policy_eq, but compare every element of two policies.
+ */
int
-cmp_addr_policies(smartlist_t *a, smartlist_t *b)
+addr_policies_eq(const smartlist_t *a, const smartlist_t *b)
{
- int r, i;
+ int i;
int len_a = a ? smartlist_len(a) : 0;
int len_b = b ? smartlist_len(b) : 0;
- for (i = 0; i < len_a && i < len_b; ++i) {
- if ((r = cmp_single_addr_policy(smartlist_get(a, i), smartlist_get(b, i))))
- return r;
- }
- if (i == len_a && i == len_b)
+ if (len_a != len_b)
return 0;
- if (i < len_a)
- return -1;
- else
- return 1;
+
+ for (i = 0; i < len_a; ++i) {
+ if (! single_addr_policy_eq(smartlist_get(a, i), smartlist_get(b, i)))
+ return 0;
+ }
+
+ return 1;
}
/** Node in hashtable used to store address policy entries. */
@@ -1255,7 +1255,7 @@ static HT_HEAD(policy_map, policy_map_ent_t) policy_root = HT_INITIALIZER();
static inline int
policy_eq(policy_map_ent_t *a, policy_map_ent_t *b)
{
- return cmp_single_addr_policy(a->policy, b->policy) == 0;
+ return single_addr_policy_eq(a->policy, b->policy);
}
/** Return a hashcode for <b>ent</b> */
@@ -1306,7 +1306,7 @@ addr_policy_get_canonical_entry(addr_policy_t *e)
HT_INSERT(policy_map, &policy_root, found);
}
- tor_assert(!cmp_single_addr_policy(found->policy, e));
+ tor_assert(single_addr_policy_eq(found->policy, e));
++found->policy->refcnt;
return found->policy;
}
diff --git a/src/or/policies.h b/src/or/policies.h
index 850fa863d6..f73f850c21 100644
--- a/src/or/policies.h
+++ b/src/or/policies.h
@@ -76,7 +76,7 @@ void policy_expand_unspec(smartlist_t **policy);
int policies_parse_from_options(const or_options_t *options);
addr_policy_t *addr_policy_get_canonical_entry(addr_policy_t *ent);
-int cmp_addr_policies(smartlist_t *a, smartlist_t *b);
+int addr_policies_eq(const smartlist_t *a, const smartlist_t *b);
MOCK_DECL(addr_policy_result_t, compare_tor_addr_to_addr_policy,
(const tor_addr_t *addr, uint16_t port, const smartlist_t *policy));
addr_policy_result_t compare_tor_addr_to_node_policy(const tor_addr_t *addr,
diff --git a/src/or/routerlist.c b/src/or/routerlist.c
index b876795445..2365f28fd2 100644
--- a/src/or/routerlist.c
+++ b/src/or/routerlist.c
@@ -5445,7 +5445,7 @@ router_differences_are_cosmetic(const routerinfo_t *r1, const routerinfo_t *r2)
(r1->contact_info && r2->contact_info &&
strcasecmp(r1->contact_info, r2->contact_info)) ||
r1->is_hibernating != r2->is_hibernating ||
- cmp_addr_policies(r1->exit_policy, r2->exit_policy) ||
+ ! addr_policies_eq(r1->exit_policy, r2->exit_policy) ||
(r1->supports_tunnelled_dir_requests !=
r2->supports_tunnelled_dir_requests))
return 0;
diff --git a/src/test/test_policy.c b/src/test/test_policy.c
index f2d42b9561..1ffdc2cd51 100644
--- a/src/test/test_policy.c
+++ b/src/test/test_policy.c
@@ -304,10 +304,10 @@ test_policies_general(void *arg)
tt_assert(!exit_policy_is_general_exit(policy10));
tt_assert(!exit_policy_is_general_exit(policy11));
- tt_assert(cmp_addr_policies(policy, policy2));
- tt_assert(cmp_addr_policies(policy, NULL));
- tt_assert(!cmp_addr_policies(policy2, policy2));
- tt_assert(!cmp_addr_policies(NULL, NULL));
+ tt_assert(!addr_policies_eq(policy, policy2));
+ tt_assert(!addr_policies_eq(policy, NULL));
+ tt_assert(addr_policies_eq(policy2, policy2));
+ tt_assert(addr_policies_eq(NULL, NULL));
tt_assert(!policy_is_reject_star(policy2, AF_INET, 1));
tt_assert(policy_is_reject_star(policy, AF_INET, 1));