From 4cc573a2327b81087eefb1eb70083486dacf58df Mon Sep 17 00:00:00 2001
From: Dirk Lemstra <dirk@git.imagemagick.org>
Date: Mon, 15 Jan 2018 23:03:27 +0100
Subject: [PATCH] Prepare for flag to allow writing.

---
 Magick++/fuzz/encoder_fuzzer.cc | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Magick++/fuzz/encoder_fuzzer.cc b/Magick++/fuzz/encoder_fuzzer.cc
index f6d722ffe..2d74f5e5a 100644
--- a/Magick++/fuzz/encoder_fuzzer.cc
+++ b/Magick++/fuzz/encoder_fuzzer.cc
@@ -10,6 +10,7 @@
 #ifndef FUZZ_ENCODER
 #define FUZZ_ENCODER FUZZ_ENCODER_STRING_LITERAL_X(FUZZ_IMAGEMAGICK_ENCODER)
 #endif
+#define FUZZ_IMAGEMAGICK_ENCODER_WRITE 1
 
 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
   const Magick::Blob blob(Data, Size);
@@ -23,11 +24,14 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
     return 0;
   }
 
+#if FUZZ_IMAGEMAGICK_ENCODER_WRITE
+
   Magick::Blob outBlob;
   try {
     image.write(&outBlob, FUZZ_ENCODER);
   }
   catch (Magick::Exception &e) {
   }
+#endif
   return 0;
 }
-- 
2.40.0