Merge pull request #68 from tellowkrinkle/FixMemoryLeaks

Fix memory leak when compressing multiple images
fhanau · Dec 4, 2018 · ef8c2e8 · ef8c2e8
2 parents ed5dfd7 + ca1965f
commit ef8c2e8
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/zopflipng.cpp b/src/zopflipng.cpp
@@ -525,6 +525,8 @@ static unsigned ZopfliPNGOptimize(const std::vector<unsigned char>& origpng, con
   }
   std::vector<unsigned char> temp;
   error = TryOptimize(image, imagesize, w, h, bit16, inputstate, &png_options, &temp, best_filter, filters, palette_filter);
+  free(image);
+  image = 0;
   if (!error) {
     (*resultpng).swap(temp);  // Store best result so far in the output.
   }