From a14174b6cdbb156daea37d7ff0791e144204ec69 Mon Sep 17 00:00:00 2001
From: Max Katz <maxpkatz@gmail.com>
Date: Mon, 9 Oct 2023 20:26:58 -0400
Subject: [PATCH] Silence a std::string warning in radiation (#2627)

---
 Source/driver/Castro_setup.cpp          | 4 ++--
 Source/radiation/energy_diagnostics.cpp | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/Source/driver/Castro_setup.cpp b/Source/driver/Castro_setup.cpp
index 8e72d715cb..ef74b4ab07 100644
--- a/Source/driver/Castro_setup.cpp
+++ b/Source/driver/Castro_setup.cpp
@@ -685,7 +685,7 @@ Castro::variableSetUp ()
     std::cout << "Radiation::nGroups = " << Radiation::nGroups << std::endl;
   }
 
-  char rad_name[10];
+  std::string rad_name;
   if (!Radiation::do_multigroup) {
     desc_lst
       .setComponent(Rad_Type, Rad, "rad", bc,
@@ -693,7 +693,7 @@ Castro::variableSetUp ()
   }
   else {
       for (int i = 0; i < Radiation::nGroups; i++) {
-        sprintf(rad_name, "rad%d", i);
+        rad_name = "rad" + std::to_string(i);
         desc_lst
           .setComponent(Rad_Type, i, rad_name, bc,
                         genericBndryFunc);
diff --git a/Source/radiation/energy_diagnostics.cpp b/Source/radiation/energy_diagnostics.cpp
index cf47a27127..c38a96f5aa 100644
--- a/Source/radiation/energy_diagnostics.cpp
+++ b/Source/radiation/energy_diagnostics.cpp
@@ -32,9 +32,9 @@ Castro::do_energy_diagnostics()
           r += getLevel(lev).volWgtSum("rad", prev_time + dt);
       }
       else {
-          char rad_name[10];
+          std::string rad_name;
           for (int igroup = 0; igroup < Radiation::nGroups; igroup++) {
-              sprintf(rad_name, "rad%d", igroup);
+              rad_name = "rad" + std::to_string(igroup);
               r += getLevel(lev).volWgtSum(rad_name, prev_time + dt);
           }
       }