From 42fc1d6714036a2814f1e6ab293eaa0009320ef4 Mon Sep 17 00:00:00 2001
From: Kai Blaschke <kai.blaschke@kb-dev.net>
Date: Mon, 19 Feb 2024 20:47:58 +0100
Subject: Fixed a memory leak in Image::readPngMetadata()

The memory allocated by png_create_read_struct() was not freed before exiting the function, wasting lots of memory over time.
---
 source/core/StarImage.cpp | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'source/core/StarImage.cpp')

diff --git a/source/core/StarImage.cpp b/source/core/StarImage.cpp
index 183b00a..f59765a 100644
--- a/source/core/StarImage.cpp
+++ b/source/core/StarImage.cpp
@@ -184,6 +184,8 @@ tuple<Vec2U, PixelFormat> Image::readPngMetadata(IODevicePtr device) {
     channels += 1;
   }
 
+  png_destroy_read_struct(&png_ptr, &info_ptr, &end_info);
+
   Vec2U imageSize{img_width, img_height};
   PixelFormat pixelFormat = channels == 3 ? PixelFormat::RGB24 : PixelFormat::RGBA32;
 
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