From: Igor Sysoev <igor@sysoev.ru>
Date: Thu, 24 Jan 2008 15:18:58 +0000 (+0000)
Subject: limit string length
X-Git-Tag: release-0.6.26~21
X-Git-Url: http://www.kaiwu.me/postgresql/commit/?a=commitdiff_plain;h=16315761dbbc864511355d3478ba48a50b4d698a;p=nginx.git

limit string length
---

diff --git a/src/core/ngx_string.c b/src/core/ngx_string.c
index 11f1cf28c..acd9382dd 100644
--- a/src/core/ngx_string.c
+++ b/src/core/ngx_string.c
@@ -227,7 +227,9 @@ ngx_vsnprintf(u_char *buf, size_t max, const char *fmt, va_list args)
                     }
 
                 } else {
-                    buf = ngx_cpymem(buf, p, slen);
+                    len = (buf + slen < last) ? slen : (size_t) (last - buf);
+
+                    buf = ngx_cpymem(buf, p, len);
                 }
 
                 fmt++;