From: jobol <jose.bollo@iot.bzh>
Date: Mon, 14 May 2018 10:17:26 +0000 (+0200)
Subject: wrap-json: Update the documentation
X-Git-Tag: 6.99.3~29
X-Git-Url: https://gerrit.automotivelinux.org/gerrit/gitweb?a=commitdiff_plain;h=04358eb1d632d4a2f9acb11f5eff4c91ac684389;p=src%2Flibafb-helpers.git

wrap-json: Update the documentation

Signed-off-by: jobol <jose.bollo@iot.bzh>
---

diff --git a/wrap-json.md b/wrap-json.md
index a86d2a5..8f7693c 100644
--- a/wrap-json.md
+++ b/wrap-json.md
@@ -75,6 +75,19 @@ arguments.
 
 :   Like 'y' but output is base64.
 
+`y?`, `Y?` (byte array or null) \[const uint8_t \*, size\_t\]
+
+:   Like 'y' or 'Y' but allows to output a JSON null value
+    either when the buffer is *NULL* or when the size is *0*.
+
+`y*`, `y*` (optional byte array) \[const uint8_t \*, size\_t\]
+
+:   Like 'y' or 'Y' but do not put JSON value
+    either when the buffer is *NULL* or when the size is *0*.
+    This format can only be used inside an object or an array. If used
+    inside an object, the corresponding key is additionally suppressed
+    when the value is omitted. See below for an example.
+
 `n` (null)
 
 :   Output a JSON null value. No argument is consumed.