From: Igor Sysoev <igor@sysoev.ru>
Date: Sun, 25 Sep 2016 07:54:51 +0000 (+0300)
Subject: A fix of possible sign extension overflow,
X-Git-Tag: 0.1.3~10
X-Git-Url: http://git.kaiwu.me/postgresql/log/contrib/postgres_fdw/static/gitweb.js?a=commitdiff_plain;h=7f48cb228828adc063f45505848940cc82036938;p=njs.git

A fix of possible sign extension overflow,
the issue has been found by Coverity Scan.
---

diff --git a/nxt/nxt_array.c b/nxt/nxt_array.c
index 9f1da8af..f9c3e89c 100644
--- a/nxt/nxt_array.c
+++ b/nxt/nxt_array.c
@@ -113,7 +113,7 @@ nxt_array_add_multiple(nxt_array_t *array, const nxt_mem_proto_t *proto,
         old = array->start;
         array->start = start;
 
-        memcpy(start, old, array->items * array->item_size);
+        memcpy(start, old, (uint32_t) array->items * array->item_size);
 
         if (array->separate == 0) {
             array->separate = 1;
@@ -123,7 +123,7 @@ nxt_array_add_multiple(nxt_array_t *array, const nxt_mem_proto_t *proto,
         }
     }
 
-    item = (char *) array->start + array->items * array->item_size;
+    item = (char *) array->start + (uint32_t) array->items * array->item_size;
 
     array->items = items;