1 files changed, 5 insertions, 0 deletions
diff --git a/src/core/ngx_hunk.h b/src/core/ngx_hunk.h
index 42030eb26..2e16450e8 100644
--- a/src/core/ngx_hunk.h
+++ b/src/core/ngx_hunk.h
@@ -55,6 +55,8 @@ struct ngx_hunk_s {
     ngx_file_t  *file;
 };
 
+
+
 typedef struct ngx_chain_s  ngx_chain_t;
 struct ngx_chain_s {
     ngx_hunk_t  *hunk;
@@ -62,6 +64,9 @@ struct ngx_chain_s {
 };
 
 
+#define NGX_CHAIN_ERROR     (ngx_chain_t *) NGX_ERROR
+
+
 ngx_hunk_t *ngx_create_temp_hunk(ngx_pool_t *pool, int size,
                                  int before, int after);