From 963f7bf194fc8600903313e7c8e3a7b84ea626d3 Mon Sep 17 00:00:00 2001
From: Dirk Farin <dirk.farin@gmail.com>
Date: Mon, 16 Oct 2023 11:16:47 +0200
Subject: [PATCH] jpegdec: cast to libjpeg type (#948)

---
 libheif/plugins/decoder_jpeg.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libheif/plugins/decoder_jpeg.cc b/libheif/plugins/decoder_jpeg.cc
index 3ac917c743..49a95a17e8 100644
--- a/libheif/plugins/decoder_jpeg.cc
+++ b/libheif/plugins/decoder_jpeg.cc
@@ -143,7 +143,7 @@ struct heif_error jpeg_decode_image(void* decoder_raw, struct heif_image** out_i
   jpeg_create_decompress(&cinfo);
 
   cinfo.err = jpeg_std_error(&jerr);
-  jpeg_mem_src(&cinfo, decoder->data.data(), decoder->data.size());
+  jpeg_mem_src(&cinfo, decoder->data.data(), static_cast<unsigned long>(decoder->data.size()));
 
   /* Adding this part to prepare for icc profile reading. */
 //  jpeg_save_markers(&cinfo, JPEG_ICC_MARKER, 0xFFFF);