From ad781fd82829b0173ad556dbce59f92f6cbbd54f Mon Sep 17 00:00:00 2001
From: Mathieu Malaterre <mathieu.malaterre@gmail.com>
Date: Tue, 13 Sep 2022 14:41:52 +0200
Subject: [PATCH] Handle another invalid case

---
 Source/MediaStorageAndFileFormat/gdcmCleaner.cxx | 7 +++++++
 Utilities/gdcmext/csa.c                          | 2 +-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/Source/MediaStorageAndFileFormat/gdcmCleaner.cxx b/Source/MediaStorageAndFileFormat/gdcmCleaner.cxx
index f58691cdc..03912d1dd 100644
--- a/Source/MediaStorageAndFileFormat/gdcmCleaner.cxx
+++ b/Source/MediaStorageAndFileFormat/gdcmCleaner.cxx
@@ -761,11 +761,18 @@ static bool CleanCSA(DataSet &ds, const DataElement &de) {
   if (bv->GetLength() >= 10 && memcmp(bv->GetPointer(), psd_ocm, 10) == 0) {
     return true;
   }
+  // ANGIOHEAD case. This is a DICOM Explicit with a odd ending:
   static const char end[] = "END!      ";
   if (bv->GetLength() >= 10 &&
       memcmp(bv->GetPointer() + bv->GetLength() - 10, end, 10) == 0) {
     return true;
   }
+  // byte-swapped ANGIOHEAD
+  static const char ned[] = "NE!D      ";
+  if (bv->GetLength() >= 10 &&
+      memcmp(bv->GetPointer() + bv->GetLength() - 10, ned, 10) == 0) {
+    return true;
+  }
   const bool zero = isAllZero(bv->GetPointer(), bv->GetLength());
   if (zero) return true;
 
diff --git a/Utilities/gdcmext/csa.c b/Utilities/gdcmext/csa.c
index 65df50f20..da9757d95 100644
--- a/Utilities/gdcmext/csa.c
+++ b/Utilities/gdcmext/csa.c
@@ -146,7 +146,7 @@ static bool read_magic(struct app *self) {
     magic = NOMAGIC;
   } else if (n == 0x7364703c && unused == 0x6f633c3e)  // aka '<pds><co'
   {
-    //	  'PET_REPLAY_PARAM'
+    // 'PET_REPLAY_PARAM'
     return false;
   } else if (n == 0x31305356 && unused == 0x2010403) {  // aka 'VS01' ...
     // technically could be reserved; should not happen in the wild