[PATCH v4 5/6] jscript: Release all globals when the script is uninitialized.

Gabriel Ivăncescu gabrielopcode at gmail.com
Thu Jun 2 12:00:47 CDT 2022


Most of these globals were leaking before as they were never freed at all.

Signed-off-by: Gabriel Ivăncescu <gabrielopcode at gmail.com>
---
 dlls/jscript/jscript.c   | 31 ++++++++++---------------
 dlls/jscript/jscript.h   | 50 ++++++++++++++++++++++------------------
 dlls/jscript/tests/run.c |  1 -
 3 files changed, 40 insertions(+), 42 deletions(-)

diff --git a/dlls/jscript/jscript.c b/dlls/jscript/jscript.c
index d6028e6..8a54f32 100644
--- a/dlls/jscript/jscript.c
+++ b/dlls/jscript/jscript.c
@@ -91,6 +91,17 @@ void script_release(script_ctx_t *ctx)
     heap_free(ctx);
 }
 
+static void script_globals_release(script_ctx_t *ctx)
+{
+    unsigned i;
+    for(i = 0; i < ARRAY_SIZE(ctx->global_objects); i++) {
+        if(ctx->global_objects[i]) {
+            jsdisp_release(ctx->global_objects[i]);
+            ctx->global_objects[i] = NULL;
+        }
+    }
+}
+
 static void change_state(JScript *This, SCRIPTSTATE state)
 {
     if(This->ctx->state == state)
@@ -483,25 +494,7 @@ static void decrease_state(JScript *This, SCRIPTSTATE state)
                 This->ctx->site = NULL;
             }
 
-            if(This->ctx->map_prototype) {
-                jsdisp_release(This->ctx->map_prototype);
-                This->ctx->map_prototype = NULL;
-            }
-
-            if(This->ctx->set_prototype) {
-                jsdisp_release(This->ctx->set_prototype);
-                This->ctx->set_prototype = NULL;
-            }
-
-            if(This->ctx->object_prototype) {
-                jsdisp_release(This->ctx->object_prototype);
-                This->ctx->object_prototype = NULL;
-            }
-
-            if(This->ctx->global) {
-                jsdisp_release(This->ctx->global);
-                This->ctx->global = NULL;
-            }
+            script_globals_release(This->ctx);
             /* FALLTHROUGH */
         case SCRIPTSTATE_UNINITIALIZED:
             change_state(This, state);
diff --git a/dlls/jscript/jscript.h b/dlls/jscript/jscript.h
index 000bcc2..0f8baea 100644
--- a/dlls/jscript/jscript.h
+++ b/dlls/jscript/jscript.h
@@ -387,29 +387,35 @@ struct _script_ctx_t {
     DWORD last_match_index;
     DWORD last_match_length;
 
-    jsdisp_t *global;
-    jsdisp_t *function_constr;
-    jsdisp_t *array_constr;
-    jsdisp_t *bool_constr;
-    jsdisp_t *date_constr;
-    jsdisp_t *enumerator_constr;
-    jsdisp_t *error_constr;
-    jsdisp_t *eval_error_constr;
-    jsdisp_t *range_error_constr;
-    jsdisp_t *reference_error_constr;
-    jsdisp_t *regexp_error_constr;
-    jsdisp_t *syntax_error_constr;
-    jsdisp_t *type_error_constr;
-    jsdisp_t *uri_error_constr;
-    jsdisp_t *number_constr;
-    jsdisp_t *object_constr;
-    jsdisp_t *object_prototype;
-    jsdisp_t *regexp_constr;
-    jsdisp_t *string_constr;
-    jsdisp_t *vbarray_constr;
-    jsdisp_t *map_prototype;
-    jsdisp_t *set_prototype;
+    union {
+        struct {
+            jsdisp_t *global;
+            jsdisp_t *function_constr;
+            jsdisp_t *array_constr;
+            jsdisp_t *bool_constr;
+            jsdisp_t *date_constr;
+            jsdisp_t *enumerator_constr;
+            jsdisp_t *error_constr;
+            jsdisp_t *eval_error_constr;
+            jsdisp_t *range_error_constr;
+            jsdisp_t *reference_error_constr;
+            jsdisp_t *regexp_error_constr;
+            jsdisp_t *syntax_error_constr;
+            jsdisp_t *type_error_constr;
+            jsdisp_t *uri_error_constr;
+            jsdisp_t *number_constr;
+            jsdisp_t *object_constr;
+            jsdisp_t *object_prototype;
+            jsdisp_t *regexp_constr;
+            jsdisp_t *string_constr;
+            jsdisp_t *vbarray_constr;
+            jsdisp_t *map_prototype;
+            jsdisp_t *set_prototype;
+        };
+        jsdisp_t *global_objects[22];
+    };
 };
+C_ASSERT(RTL_SIZEOF_THROUGH_FIELD(script_ctx_t, set_prototype) == RTL_SIZEOF_THROUGH_FIELD(script_ctx_t, global_objects));
 
 void script_release(script_ctx_t*) DECLSPEC_HIDDEN;
 
diff --git a/dlls/jscript/tests/run.c b/dlls/jscript/tests/run.c
index f7ad1fe..ec054f0 100644
--- a/dlls/jscript/tests/run.c
+++ b/dlls/jscript/tests/run.c
@@ -3293,7 +3293,6 @@ static void test_invokeex(void)
     str = SysAllocString(L"call");
     hres = IDispatchEx_GetDispID(dispex, str, 0, &func_id);
     SysFreeString(str);
-    todo_wine
     ok(hres == E_UNEXPECTED, "GetDispID failed: %08lx\n", hres);
 
     IDispatchEx_Release(dispex);
-- 
2.34.1




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