From: Alexander Borisov <alexander.borisov@nginx.com>
Date: Tue, 3 Dec 2019 15:02:40 +0000 (+0300)
Subject: Added njs_is_memory_error() function.
X-Git-Url: http://www.kaiwu.me/postgresql/commit/?a=commitdiff_plain;h=7efb174b1f98c8870d12f8840a5f3dd54532d043;p=njs.git

Added njs_is_memory_error() function.
---

diff --git a/src/njs_error.h b/src/njs_error.h
index 72ef229e..0cfd687f 100644
--- a/src/njs_error.h
+++ b/src/njs_error.h
@@ -59,4 +59,18 @@ extern const njs_object_type_init_t  njs_uri_error_type_init;
 extern const njs_object_type_init_t  njs_memory_error_type_init;
 
 
+njs_inline njs_int_t
+njs_is_memory_error(njs_vm_t *vm, njs_value_t *value)
+{
+    if (njs_is_error(value)
+        && njs_has_prototype(vm, value, NJS_OBJ_TYPE_INTERNAL_ERROR)
+        && !njs_object(value)->extensible)
+    {
+        return 1;
+    }
+
+    return 0;
+}
+
+
 #endif /* _NJS_BOOLEAN_H_INCLUDED_ */
diff --git a/src/njs_vm.c b/src/njs_vm.c
index 913cdea5..ea3a72dc 100644
--- a/src/njs_vm.c
+++ b/src/njs_vm.c
@@ -852,12 +852,7 @@ njs_vm_value_to_string(njs_vm_t *vm, njs_str_t *dst, njs_value_t *src)
     }
 
     if (njs_is_error(src)) {
-
-        /* MemoryError is a nonextensible internal error. */
-
-        if (njs_has_prototype(vm, src, NJS_OBJ_TYPE_INTERNAL_ERROR)
-            && !njs_object(src)->extensible)
-        {
+        if (njs_is_memory_error(vm, src)) {
             njs_string_get(&njs_string_memory_error, dst);
             return NJS_OK;
         }