squashme: fix failed torture test

=== Start of file stderr970 LIMIT tool_operate.c:1022 strdup reached memlimit curl: (27) Out of memory === End of file stderr970
curl · Feb 1, 2021 · b042dfd · b042dfd
1 parent 1948ecf
commit b042dfd
Showing 1 changed file with 9 additions and 4 deletions.
diff --git a/src/tool_writeout.c b/src/tool_writeout.c
@@ -186,12 +186,16 @@ static int writeString(FILE *stream, const struct writeoutvar *wovar,
       }
       break;
     case VAR_EFFECTIVE_FILENAME:
-      strinfo = per->outs.filename;
-      valid = true;
+      if(per->outs.filename) {
+        strinfo = per->outs.filename;
+        valid = true;
+      }
       break;
     case VAR_INPUT_URL:
-      strinfo = per->this_url;
-      valid = true;
+      if(per->this_url) {
+        strinfo = per->this_url;
+        valid = true;
+      }
       break;
     default:
       DEBUGASSERT(0);
@@ -200,6 +204,7 @@ static int writeString(FILE *stream, const struct writeoutvar *wovar,
   }
 
   if(valid) {
+    DEBUGASSERT(strinfo);
     if(use_json) {
       fprintf(stream, "\"%s\":\"", wovar->name);
       jsonWriteString(stream, strinfo);