Careful to not construct string from NULL pointer.

esmf-org · Feb 21, 2025 · 9750556 · 9750556
1 parent 0e505ea
commit 9750556
Showing 1 changed file with 8 additions and 2 deletions.
diff --git a/src/Infrastructure/VM/src/ESMCI_VMKernel.C b/src/Infrastructure/VM/src/ESMCI_VMKernel.C
@@ -2541,7 +2541,10 @@ void *VMK::startup(class VMKPlan *vmp, void *(fctp)(void *, void *),
     sarg[i].cargo = cargo;
     // stdout and stderr redirect
     string stdTemp; size_t pos; // temp helpers
-    stdTemp = string(vmp->stdoutName);
+    if (vmp->stdoutName)
+      stdTemp = string(vmp->stdoutName);
+    else 
+      stdTemp = string("");
     pos = stdTemp.rfind('*');  // right most asterisk
     if (pos != string::npos){
       // found wildcard -> replace with local pet number
@@ -2554,7 +2557,10 @@ void *VMK::startup(class VMKPlan *vmp, void *(fctp)(void *, void *),
       // no wildcard -> use incoming string verbatim
       sarg[i].stdoutName = stdTemp;
     }
-    stdTemp = string(vmp->stderrName);
+    if (vmp->stderrName)
+      stdTemp = string(vmp->stderrName);
+    else 
+      stdTemp = string("");
     pos = stdTemp.rfind('*');  // right most asterisk
     if (pos != string::npos){
       // found wildcard -> replace with local pet number