From: Dmitry Volyntsev <xeioex@nginx.com>
Date: Wed, 4 Oct 2023 20:35:38 +0000 (-0700)
Subject: Improved memory footprint of RegExp.prototype.split().
X-Git-Tag: 0.8.2~10
X-Git-Url: http://www.kaiwu.me/postgresql/commit/static/gitweb.js?a=commitdiff_plain;h=aa697e3e98b479f8e62d756512f5b6db427b7a84;p=njs.git

Improved memory footprint of RegExp.prototype.split().
---

diff --git a/src/njs_regexp.c b/src/njs_regexp.c
index 47a32375..b6c86dba 100644
--- a/src/njs_regexp.c
+++ b/src/njs_regexp.c
@@ -1773,6 +1773,10 @@ njs_regexp_prototype_symbol_split(njs_vm_t *vm, njs_value_t *args,
         e = njs_min(e, length);
 
         if (e == p) {
+            if (njs_object_slots(&z)) {
+                njs_regexp_exec_result_free(vm, njs_array(&z));
+            }
+
             q = q + 1;
             continue;
         }
@@ -1794,6 +1798,10 @@ njs_regexp_prototype_symbol_split(njs_vm_t *vm, njs_value_t *args,
         }
 
         if (array->length == limit) {
+            if (njs_object_slots(&z)) {
+                njs_regexp_exec_result_free(vm, njs_array(&z));
+            }
+
             goto done;
         }
 
@@ -1818,10 +1826,18 @@ njs_regexp_prototype_symbol_split(njs_vm_t *vm, njs_value_t *args,
             }
 
             if (array->length == limit) {
+                if (njs_object_slots(&z)) {
+                    njs_regexp_exec_result_free(vm, njs_array(&z));
+                }
+
                 goto done;
             }
         }
 
+        if (njs_object_slots(&z)) {
+            njs_regexp_exec_result_free(vm, njs_array(&z));
+        }
+
         q = p;
     }