From: Ricardo Wurmus <rekado@elephly.net>
Date: Tue, 7 Jul 2020 19:27:13 +0000 (+0200)
Subject: aws/request: make-operation->request: Handle empty input values.
X-Git-Url: https://git.elephly.net/?p=software%2Fguile-aws.git;a=commitdiff_plain;h=bd21180e8843af4a0abc43ceb78bf6c9af25c441

aws/request: make-operation->request: Handle empty input values.

* aws/request.scm (make-operation->request)[request-parameters]:
Gracefully deal with empty input values.
---

diff --git a/aws/request.scm b/aws/request.scm
index faa5e0d..e0cf58f 100644
--- a/aws/request.scm
+++ b/aws/request.scm
@@ -151,7 +151,9 @@
     (define request-parameters
       (string-join (cons* (format #f "Action=~a" operation-name)
                           (format #f "Version=~a" api-version)
-                          (serialize-aws-value input))
+                          (if input
+                              (serialize-aws-value input)
+                              '()))
                    "&"))
 
     (define payload-hash