3 files changed, 12 insertions, 7 deletions

diff --git a/src/or/buffers.c b/src/or/buffers.c
index 7a5fa6e946..a5732253be 100644
--- a/src/or/buffers.c
+++ b/src/or/buffers.c
@@ -998,7 +998,7 @@ move_buf_to_buf(buf_t *buf_out, buf_t *buf_in, size_t *buf_flushlen)
 /** Internal structure: represents a position in a buffer. */
 typedef struct buf_pos_t {
   const chunk_t *chunk; /**< Which chunk are we pointing to? */
-  off_t pos;/**< Which character inside the chunk's data are we pointing to? */
+  int pos;/**< Which character inside the chunk's data are we pointing to? */
   size_t chunk_pos; /**< Total length of all previous chunks. */
 } buf_pos_t;
 
@@ -1037,7 +1037,7 @@ buf_find_pos_of_char(char ch, buf_pos_t *out)
   }
   pos = out->pos;
   for (chunk = out->chunk; chunk; chunk = chunk->next) {
-    char *cp = memchr(chunk->data+pos, ch, chunk->datalen-pos);
+    char *cp = memchr(chunk->data+pos, ch, chunk->datalen - pos);
     if (cp) {
       out->chunk = chunk;
       out->pos = cp - chunk->data;
diff --git a/src/or/eventdns.c b/src/or/eventdns.c
index 239bf9f801..75d1467d47 100644
--- a/src/or/eventdns.c
+++ b/src/or/eventdns.c
@@ -1298,8 +1298,12 @@ dnslabel_table_get_pos(const struct dnslabel_table *table, const char *label)
 {
 	int i;
 	for (i = 0; i < table->n_labels; ++i) {
-		if (!strcmp(label, table->labels[i].v))
-			return table->labels[i].pos;
+		if (!strcmp(label, table->labels[i].v)) {
+			off_t pos = table->labels[i].pos;
+            if (pos > 65535)
+                return -1;
+            return (int)pos;
+        }
 	}
 	return -1;
 }
@@ -1682,7 +1686,7 @@ overflow:
 		buf[3] |= 0x02; /* set the truncated bit. */
 	}
 
-	req->response_len = j;
+	req->response_len = (size_t)j;
 
 	if (!(req->response = malloc(req->response_len))) {
 		server_request_free_answers(req);
diff --git a/src/or/rephist.c b/src/or/rephist.c
index f431c81228..c7d44743e0 100644
--- a/src/or/rephist.c
+++ b/src/or/rephist.c
@@ -361,8 +361,9 @@ rep_hist_downrate_old_runs(time_t now)
       (unsigned long)(hist->weighted_run_length * alpha);
     hist->total_run_weights *= alpha;
 
-    hist->weighted_uptime *= alpha;
-    hist->total_weighted_time *= alpha;
+    hist->weighted_uptime = (unsigned long)(hist->weighted_uptime * alpha);
+    hist->total_weighted_time = (unsigned long)
+      (hist->total_weighted_time * alpha);
   }
 
   return stability_last_downrated + STABILITY_INTERVAL;