From: Dmitry Volyntsev <xeioex@nginx.com>
Date: Thu, 20 Jun 2019 12:20:34 +0000 (+0300)
Subject: Fixed use-of-uninitialized-value in njs_string_replace_join().
X-Git-Tag: 0.3.3~3
X-Git-Url: http://git.kaiwu.me/postgresql/log/contrib/postgres_fdw/static/gitweb.js?a=commitdiff_plain;h=620b128c8e586d8c7eb9cb97a778bd0c7011adbc;p=njs.git

Fixed use-of-uninitialized-value in njs_string_replace_join().
---

diff --git a/njs/njs_string.c b/njs/njs_string.c
index a7d2645e..dc16c7f3 100644
--- a/njs/njs_string.c
+++ b/njs/njs_string.c
@@ -3652,12 +3652,16 @@ njs_string_replace_join(njs_vm_t *vm, njs_string_replace_t *r)
     n = r->parts.items;
 
     for (i = 0; i < n; i++) {
-        if (part[i].start == NULL) {
-            part[i].start = part[i].value.short_string.start;
+        if (part[i].size == 0) {
+            continue;
         }
 
         size += part[i].size;
 
+        if (part[i].start == NULL) {
+            part[i].start = part[i].value.short_string.start;
+        }
+
         len = nxt_utf8_length(part[i].start, part[i].size);
 
         if (len >= 0) {