diff options
Diffstat (limited to 'pngdetail.cpp')
| -rw-r--r-- | pngdetail.cpp | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/pngdetail.cpp b/pngdetail.cpp index 00aa9dd..b11d78c 100644 --- a/pngdetail.cpp +++ b/pngdetail.cpp @@ -184,7 +184,13 @@ void displayChunkNames(const std::vector<unsigned char>& buffer, const Options& std::vector<std::string> names; std::vector<size_t> sizes; unsigned error = lodepng::getChunkInfo(names, sizes, buffer); - if(error) std::cout << "Error while identifying chunks. Listing identified chunks anyway." << std::endl; + if(error) { + if(!names.empty() && names.back() == "IEND" && sizes.back() == 0) { + std::cout << "Corruption or superfluous data detected after the IEND chunk" << std::endl; + } else { + std::cout << "Error while identifying chunks. Listing identified chunks anyway." << std::endl; + } + } if(options.show_chunks2) { |