From: Timo Heister <timo.heister@gmail.com>
Date: Thu, 7 Jul 2022 18:37:59 +0000 (-0400)
Subject: add error checks
X-Git-Tag: v9.5.0-rc1~1100^2~6
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9d39abad4b3919b09c8d7215a65dc807747f70d3;p=dealii.git

add error checks
---

diff --git a/source/base/data_out_base.cc b/source/base/data_out_base.cc
index 1e4339bb02..bc0710b3df 100644
--- a/source/base/data_out_base.cc
+++ b/source/base/data_out_base.cc
@@ -9255,6 +9255,14 @@ DataOutReader<dim, spacedim>::read_whole_parallel_file(std::istream &in)
 
   ParallelIntermediateHeaderType header;
   in.read(reinterpret_cast<char *>(&header), sizeof(header));
+  AssertThrow(
+    header.magic == 0x00dea111,
+    ExcMessage(
+      "Invalid header of parallel deal.II intermediate format encountered."));
+  AssertThrow(
+    header.version == DataOutBase::Deal_II_IntermediateFlags::format_version,
+    ExcMessage(
+      "Incorrect header version of parallel deal.II intermediate format."));
 
   std::vector<std::uint64_t> chunk_sizes(header.num_ranks);
   in.read(reinterpret_cast<char *>(chunk_sizes.data()),