Use size_t for length in replaycache_add_test_and_elapsed()

For consistency with the rest of buffer lengths in Tor.

See #8960

src/or/rendservice.c

@@ -1207,7 +1207,7 @@ rend_service_introduce(origin_circuit_t *circuit, const uint8_t *request,
   /* check for replay of PK-encrypted portion. */
   replay = replaycache_add_test_and_elapsed(
     intro_point->accepted_intro_rsa_parts,
-    parsed_req->ciphertext, (int)parsed_req->ciphertext_len,
+    parsed_req->ciphertext, parsed_req->ciphertext_len,
     &elapsed);
 
   if (replay) {

src/or/replaycache.c

@@ -65,7 +65,7 @@ replaycache_new(time_t horizon, time_t interval)
 
 STATIC int
 replaycache_add_and_test_internal(
-    time_t present, replaycache_t *r, const void *data, int len,
+    time_t present, replaycache_t *r, const void *data, size_t len,
     time_t *elapsed)
 {
   int rv = 0;
@@ -73,7 +73,7 @@ replaycache_add_and_test_internal(
   time_t *access_time;
 
   /* sanity check */
-  if (present <= 0 || !r || !data || len <= 0) {
+  if (present <= 0 || !r || !data || len == 0) {
     log_info(LD_BUG, "replaycache_add_and_test_internal() called with stupid"
         " parameters; please fix this.");
     goto done;
@@ -176,7 +176,7 @@ replaycache_scrub_if_needed_internal(time_t present, replaycache_t *r)
  */
 
 int
-replaycache_add_and_test(replaycache_t *r, const void *data, int len)
+replaycache_add_and_test(replaycache_t *r, const void *data, size_t len)
 {
   return replaycache_add_and_test_internal(time(NULL), r, data, len, NULL);
 }
@@ -187,7 +187,7 @@ replaycache_add_and_test(replaycache_t *r, const void *data, int len)
 
 int
 replaycache_add_test_and_elapsed(
-    replaycache_t *r, const void *data, int len, time_t *elapsed)
+    replaycache_t *r, const void *data, size_t len, time_t *elapsed)
 {
   return replaycache_add_and_test_internal(time(NULL), r, data, len, elapsed);
 }

src/or/replaycache.h

@@ -46,7 +46,7 @@ replaycache_t * replaycache_new(time_t horizon, time_t interval);
  */
 
 STATIC int replaycache_add_and_test_internal(
-    time_t present, replaycache_t *r, const void *data, int len,
+    time_t present, replaycache_t *r, const void *data, size_t len,
     time_t *elapsed);
 STATIC void replaycache_scrub_if_needed_internal(
     time_t present, replaycache_t *r);
@@ -57,9 +57,9 @@ STATIC void replaycache_scrub_if_needed_internal(
  * replaycache_t methods
  */
 
-int replaycache_add_and_test(replaycache_t *r, const void *data, int len);
+int replaycache_add_and_test(replaycache_t *r, const void *data, size_t len);
 int replaycache_add_test_and_elapsed(
-    replaycache_t *r, const void *data, int len, time_t *elapsed);
+    replaycache_t *r, const void *data, size_t len, time_t *elapsed);
 void replaycache_scrub_if_needed(replaycache_t *r);
 
 #endif

src/test/test_replay.c

@@ -76,13 +76,13 @@ test_replaycache_miss(void)
 
   result =
     replaycache_add_and_test_internal(1200, r, test_buffer,
-        (int)strlen(test_buffer), NULL);
+        strlen(test_buffer), NULL);
   test_eq(result, 0);
 
   /* poke the bad-parameter error case too */
   result =
     replaycache_add_and_test_internal(1200, NULL, test_buffer,
-        (int)strlen(test_buffer), NULL);
+        strlen(test_buffer), NULL);
   test_eq(result, 0);
 
  done:
@@ -102,12 +102,12 @@ test_replaycache_hit(void)
 
   result =
     replaycache_add_and_test_internal(1200, r, test_buffer,
-        (int)strlen(test_buffer), NULL);
+        strlen(test_buffer), NULL);
   test_eq(result, 0);
 
   result =
     replaycache_add_and_test_internal(1300, r, test_buffer,
-        (int)strlen(test_buffer), NULL);
+        strlen(test_buffer), NULL);
   test_eq(result, 1);
 
  done:
@@ -127,17 +127,17 @@ test_replaycache_age(void)
 
   result =
     replaycache_add_and_test_internal(1200, r, test_buffer,
-        (int)strlen(test_buffer), NULL);
+        strlen(test_buffer), NULL);
   test_eq(result, 0);
 
   result =
     replaycache_add_and_test_internal(1300, r, test_buffer,
-        (int)strlen(test_buffer), NULL);
+        strlen(test_buffer), NULL);
   test_eq(result, 1);
 
   result =
     replaycache_add_and_test_internal(3000, r, test_buffer,
-        (int)strlen(test_buffer), NULL);
+        strlen(test_buffer), NULL);
   test_eq(result, 0);
 
  done:
@@ -158,12 +158,12 @@ test_replaycache_elapsed(void)
 
   result =
     replaycache_add_and_test_internal(1200, r, test_buffer,
-        (int)strlen(test_buffer), NULL);
+        strlen(test_buffer), NULL);
   test_eq(result, 0);
 
   result =
     replaycache_add_and_test_internal(1300, r, test_buffer,
-        (int)strlen(test_buffer), &elapsed);
+        strlen(test_buffer), &elapsed);
   test_eq(result, 1);
   test_eq(elapsed, 100);
 
@@ -184,17 +184,17 @@ test_replaycache_noexpire(void)
 
   result =
     replaycache_add_and_test_internal(1200, r, test_buffer,
-        (int)strlen(test_buffer), NULL);
+        strlen(test_buffer), NULL);
   test_eq(result, 0);
 
   result =
     replaycache_add_and_test_internal(1300, r, test_buffer,
-        (int)strlen(test_buffer), NULL);
+        strlen(test_buffer), NULL);
   test_eq(result, 1);
 
   result =
     replaycache_add_and_test_internal(3000, r, test_buffer,
-        (int)strlen(test_buffer), NULL);
+        strlen(test_buffer), NULL);
   test_eq(result, 1);
 
  done:
@@ -215,12 +215,12 @@ test_replaycache_scrub(void)
   /* Set up like in test_replaycache_hit() */
   result =
     replaycache_add_and_test_internal(100, r, test_buffer,
-        (int)strlen(test_buffer), NULL);
+        strlen(test_buffer), NULL);
   test_eq(result, 0);
 
   result =
     replaycache_add_and_test_internal(200, r, test_buffer,
-        (int)strlen(test_buffer), NULL);
+        strlen(test_buffer), NULL);
   test_eq(result, 1);
 
   /*
@@ -257,14 +257,14 @@ test_replaycache_future(void)
   /* Set up like in test_replaycache_hit() */
   result =
     replaycache_add_and_test_internal(100, r, test_buffer,
-        (int)strlen(test_buffer), &elapsed);
+        strlen(test_buffer), &elapsed);
   test_eq(result, 0);
   /* elapsed should still be 0, since it wasn't written */
   test_eq(elapsed, 0);
 
   result =
     replaycache_add_and_test_internal(200, r, test_buffer,
-        (int)strlen(test_buffer), &elapsed);
+        strlen(test_buffer), &elapsed);
   test_eq(result, 1);
   /* elapsed should be the time since the last hit */
   test_eq(elapsed, 100);
@@ -275,7 +275,7 @@ test_replaycache_future(void)
    */
   result =
     replaycache_add_and_test_internal(150, r, test_buffer,
-        (int)strlen(test_buffer), &elapsed);
+        strlen(test_buffer), &elapsed);
   /* We should still get a hit */
   test_eq(result, 1);
   /* ...but it shouldn't let us see a negative elapsed time */
@@ -304,18 +304,18 @@ test_replaycache_realtime(void)
 
   /* This should miss */
   result =
-    replaycache_add_and_test(r, test_buffer, (int)strlen(test_buffer));
+    replaycache_add_and_test(r, test_buffer, strlen(test_buffer));
   test_eq(result, 0);
 
   /* This should hit */
   result =
-    replaycache_add_and_test(r, test_buffer, (int)strlen(test_buffer));
+    replaycache_add_and_test(r, test_buffer, strlen(test_buffer));
   test_eq(result, 1);
 
   /* This should hit and return a small elapsed time */
   result =
     replaycache_add_test_and_elapsed(r, test_buffer,
-                                     (int)strlen(test_buffer), &elapsed);
+                                     strlen(test_buffer), &elapsed);
   test_eq(result, 1);
   test_assert(elapsed >= 0);
   test_assert(elapsed <= 5);