sysset(name, NULL) does nothing if sys.name is undefined

5ad58c6a · Guido van Rossum · e0513dee · 5ad58c6a
Commit 5ad58c6a authored Jan 26, 1992 by Guido van Rossum
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Showing with 6 additions and 2 deletions

Python/sysmodule.c Python/sysmodule.c +6 -2

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--- a/Python/sysmodule.c
+++ b/Python/sysmodule.c
@@ -85,8 +85,12 @@ sysset(name, v)
 	char *name;
 	object *v;
 {
-	if (v == NULL)
+	if (v == NULL) {
-		return dictremove(sysdict, name);
+		if (dictlookup(sysdict, name) == NULL)
+			return 0;
+		else
+			return dictremove(sysdict, name);
+	}
 	else
 		return dictinsert(sysdict, name, v);
 }