From ae505111351c15af8839422cfb251c17115e3246 Mon Sep 17 00:00:00 2001
From: xushiwei <x@goplus.org>
Date: Fri, 26 Jul 2024 16:31:53 +0800
Subject: [PATCH] cjson: FreeCStr

---
 c/cjson/_demo/mkjson/mkjson.go | 5 ++++-
 c/cjson/cjson.go               | 6 ++++++
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/c/cjson/_demo/mkjson/mkjson.go b/c/cjson/_demo/mkjson/mkjson.go
index e91db71f..c98c9311 100644
--- a/c/cjson/_demo/mkjson/mkjson.go
+++ b/c/cjson/_demo/mkjson/mkjson.go
@@ -22,6 +22,9 @@ func main() {
 
 	mod.SetItem(c.Str("items"), syms)
 
-	c.Printf(c.Str("%s\n"), mod.CStr())
+	cstr := mod.CStr()
+	c.Printf(c.Str("%s\n"), cstr)
+	cjson.FreeCStr(cstr)
+
 	mod.Delete()
 }
diff --git a/c/cjson/cjson.go b/c/cjson/cjson.go
index 56936469..21c0d1b0 100644
--- a/c/cjson/cjson.go
+++ b/c/cjson/cjson.go
@@ -133,3 +133,9 @@ func (o *JSON) PrintUnformatted() *c.Char { return nil }
 //
 // llgo:link (*JSON).PrintBuffered C.cJSON_PrintBuffered
 func (o *JSON) PrintBuffered(prebuffer c.Int, fmt c.Int) *c.Char { return nil }
+
+//go:linkname Free C.cJSON_free
+func Free(ptr unsafe.Pointer)
+
+//go:linkname FreeCStr C.cJSON_free
+func FreeCStr(*c.Char)