From c710689a671e2a9ac43c04bc00b5766eb6578d62 Mon Sep 17 00:00:00 2001
From: Kevin Backhouse <kevinbackhouse@github.com>
Date: Thu, 12 Aug 2021 15:36:17 +0100
Subject: [PATCH] Call Metadatum::print() to increase fuzzing coverage.

---
 fuzz/fuzz-read-print-write.cpp | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/fuzz/fuzz-read-print-write.cpp b/fuzz/fuzz-read-print-write.cpp
index c88f6e3d7c..03ad1f7433 100644
--- a/fuzz/fuzz-read-print-write.cpp
+++ b/fuzz/fuzz-read-print-write.cpp
@@ -21,6 +21,15 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t * data, size_t size) {
     assert(image.get() != 0);
 
     image->readMetadata();
+    for (auto& md : image->exifData()) {
+      md.print(&image->exifData());
+    }
+    for (auto& md : image->iptcData()) {
+      md.print(&image->exifData());
+    }
+    for (auto& md : image->xmpData()) {
+      md.print(&image->exifData());
+    }
 
     // Print to a std::ostringstream so that the fuzzer doesn't
     // produce lots of garbage on stdout.