FileFetcher: set locale if not set, since boost requires it

shahor02 · shahor02 · commit 9ff6e10d4458 · 2021-10-01T09:40:46.000+02:00
diff --git a/Common/Utils/src/FileFetcher.cxx b/Common/Utils/src/FileFetcher.cxx
@@ -20,6 +20,8 @@
 #include <memory>
 #include <thread>
 #include <chrono>
+#include <cstdlib>
+#include <locale>
 #include <boost/process.hpp>
 
 using namespace o2::utils;
@@ -233,6 +235,20 @@ void FileFetcher::fetcher()
     return;
   }
 
+  // BOOST requires a locale set
+  try {
+    std::locale loc("");
+  } catch (const std::exception& e) {
+    setenv("LC_ALL", "C", 1);
+    try {
+      std::locale loc("");
+      LOG(INFO) << "Setting locale";
+    } catch (const std::exception& e) {
+      LOG(INFO) << "Setting locale failed: " << e.what();
+      return;
+    }
+  }
+
   while (mRunning) {
     mNLoops = mNFilesProc / getNFiles();
     if (mNLoops > mMaxLoops) {
