Fixed the NGX_UNIX_ADDRSTRLEN macro.
diff --git a/src/core/ngx_inet.h b/src/core/ngx_inet.h
index 538771e..a3b392e 100644
--- a/src/core/ngx_inet.h
+++ b/src/core/ngx_inet.h
@@ -17,10 +17,11 @@
#define NGX_INET6_ADDRSTRLEN \
(sizeof("ffff:ffff:ffff:ffff:ffff:ffff:255.255.255.255") - 1)
#define NGX_UNIX_ADDRSTRLEN \
- (sizeof(struct sockaddr_un) - offsetof(struct sockaddr_un, sun_path))
+ (sizeof("unix:") - 1 + \
+ sizeof(struct sockaddr_un) - offsetof(struct sockaddr_un, sun_path))
#if (NGX_HAVE_UNIX_DOMAIN)
-#define NGX_SOCKADDR_STRLEN (sizeof("unix:") - 1 + NGX_UNIX_ADDRSTRLEN)
+#define NGX_SOCKADDR_STRLEN NGX_UNIX_ADDRSTRLEN
#elif (NGX_HAVE_INET6)
#define NGX_SOCKADDR_STRLEN (NGX_INET6_ADDRSTRLEN + sizeof("[]:65535") - 1)
#else