From a227fcda393e2ac55e98986e6315e86360ab2b5d Mon Sep 17 00:00:00 2001
From: Luis Diaz Mas <piponazo@gmail.com>
Date: Sat, 19 May 2018 19:38:36 +0200
Subject: [PATCH] debug: Add new debug message to print the PNG chunk being
 processed

---
 src/pngimage.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/pngimage.cpp b/src/pngimage.cpp
index 3d4c3dfd..17de5bf8 100644
--- a/src/pngimage.cpp
+++ b/src/pngimage.cpp
@@ -412,8 +412,12 @@ namespace Exiv2 {
                 throw Exiv2::Error(kerFailedToReadImageData);
             }
 
-            // Perform a chunk triage for item that we need.
+#ifdef DEBUG
+            std::string chunkName(reinterpret_cast<char *>(cheaderBuf.pData_) + 4, 4);
+            std::cout << "Exiv2::PngImage::readMetadata: chunk name: " << chunkName << std::endl;
+#endif
 
+            // Perform a chunk triage for item that we need.
             if (!memcmp(cheaderBuf.pData_ + 4, "IEND", 4) ||
                 !memcmp(cheaderBuf.pData_ + 4, "IHDR", 4) ||
                 !memcmp(cheaderBuf.pData_ + 4, "tEXt", 4) ||