Fix memory leak in _realloc if size is zero.

cocos · Nov 5, 2024 · 492ae95 · 492ae95
1 parent c6439cc
commit 492ae95
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/native/cocos/editor-support/spine-wasm/wasmSpineExtension.cpp b/native/cocos/editor-support/spine-wasm/wasmSpineExtension.cpp
@@ -49,6 +49,8 @@ void *WasmSpineExtension::_realloc(void *ptr, size_t size, const char *file, int
     SP_UNUSED(file);
     SP_UNUSED(line);
     if (size == 0) {
+        // Need to free the old memory before returning nullptr, otherwise the old memory block will be leaked.
+        ::free(ptr);
         return nullptr;
     }
     return ::realloc(ptr, sizeof(uint8_t) * size);