From 5df527f7afc7b366072693ad8c40ea418d9c50d1 Mon Sep 17 00:00:00 2001
From: KWSys Upstream <kwrobot@kitware.com>
Date: Thu, 25 May 2023 09:42:59 -0400
Subject: KWSys 2023-05-25 (c9f0da47)
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Code extracted from:

    https://gitlab.kitware.com/utils/kwsys.git

at commit c9f0da473ac2c21b25c1819141c4828dd238b4d3 (master).

Upstream Shortlog
-----------------

Timo Röhling (1):
      9119f1a1 SystemInformation: Tolerate empty /proc/cpuinfo
---
 SystemInformation.cxx | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/SystemInformation.cxx b/SystemInformation.cxx
index 20e2edb..7f8485e 100644
--- a/SystemInformation.cxx
+++ b/SystemInformation.cxx
@@ -3453,6 +3453,10 @@ bool SystemInformationImplementation::RetrieveInformationFromCpuInfoFile()
     fileSize++;
   }
   fclose(fd);
+  if (fileSize < 2) {
+    std::cout << "No data in /proc/cpuinfo" << std::endl;
+    return false;
+  }
   buffer.resize(fileSize - 2);
   // Number of logical CPUs (combination of multiple processors, multi-core
   // and SMT)
-- 
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