Add isNil check to custom Content-Length. (#13867) [backport:1.2]

Related to #13866. (cherry picked from commit 09ca192)
nim-lang · Apr 14, 2020 · c4dfdb7 · c4dfdb7
1 parent 7e83adf
commit c4dfdb7
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/lib/pure/asynchttpserver.nim b/lib/pure/asynchttpserver.nim
@@ -99,8 +99,9 @@ proc respond*(req: Request, code: HttpCode, content: string,
 
   if headers != nil:
     msg.addHeaders(headers)
-
-  if not headers.hasKey("Content-Length"):
+
+  # If the headers did not contain a Content-Length use our own
+  if headers.isNil() or not headers.hasKey("Content-Length"):
     msg.add("Content-Length: ")
     # this particular way saves allocations:
     msg.addInt content.len